440
FPUS55 KTFX 202137
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT MON APR 20 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND WEDNESDAY.
MTZ301-211000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY
CLOUDY. LOWS 39 TO 45. SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO
35 MPH IN THE EVENING.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 60 TO 70. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 38 TO 44. SOUTHWEST WINDS UP TO 10 MPH.
WEDNESDAY
COOLER. PARTLY SUNNY WITH CHANCE OF RAIN IN THE
MORNING, THEN RAIN SHOWERS, SLIGHT CHANCE OF THUNDERSTORMS AND
SNOW SHOWERS IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS
44 TO 54. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH
INCREASING TO NORTH 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. SNOW AND RAIN IN THE EVENING,
THEN SNOW AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL
5100 FEET. LOWS 21 TO 27. NORTH WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
BREEZY, COLDER. SNOW IN THE MORNING, THEN CHANCE OF
SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 28 TO 36.
CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 20. HIGHS 26 TO 34.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 18.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. HIGHS 30 TO 42. LOWS AROUND 20.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS IN THE MID 20S.
MONDAY
NOT AS COOL. PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 39 TO 49.
CHANCE OF SNOW 40 PERCENT.
MTZ307-211000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 38 TO 44. WEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 62 TO 72. SOUTH WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 38 TO 44.
SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
PARTLY SUNNY WITH CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN RAIN SHOWERS, CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 50 TO
60. WEST WINDS 5 TO 15 MPH. GUSTS UP TO 25 MPH INCREASING TO
40 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
WEDNESDAY NIGHT
COLDER. SNOW AND RAIN IN THE EVENING, THEN
SNOW AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL
5800 FEET. LOWS 23 TO 29. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 50 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COLDER, SNOW. HEAVY SNOW ACCUMULATIONS. HIGHS 26 TO
36. CHANCE OF SNOW NEAR 100 PERCENT.
THURSDAY NIGHT AND FRIDAY
SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. LOWS 16 TO 22. HIGHS 25 TO 35. CHANCE OF SNOW
70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 14 TO 20. CHANCE
OF SNOW 30 PERCENT.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 29 TO 39. CHANCE OF
SNOW 40 PERCENT.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. LOWS 16 TO 26. HIGHS 33 TO 43.
MONDAY
NOT AS COOL. PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 39 TO 49.
CHANCE OF SNOW 40 PERCENT.
MTZ302-211000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
5 TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
WINDY, COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF
RAIN IN THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 62.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
INCREASING TO NORTH 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SLIGHT CHANCE OF SNOW
IN THE EVENING, THEN SNOW AND RAIN LIKELY AFTER MIDNIGHT. LIGHT
SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. NORTHWEST WINDS 20 TO
30 MPH WITH GUSTS TO AROUND 50 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
WINDY, COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW
ACCUMULATIONS. HIGHS IN THE UPPER 30S. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S.
FRIDAY
BREEZY. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW.
HIGHS IN THE UPPER 30S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE LOWER 40S.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE MID 40S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 20S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE LOWER 50S.
MTZ308-211000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 40S. WEST WINDS 5 TO 10 MPH. GUSTS UP TO
25 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP
TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
WEDNESDAY
BREEZY, COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF
RAIN IN THE MORNING, THEN CLOUDY WITH RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S.
WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH INCREASING TO
NORTHWEST 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SLIGHT CHANCE OF SNOW
IN THE EVENING, THEN SNOW AND RAIN AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE LOWER 30S. NORTHWEST WINDS 15 TO
30 MPH WITH GUSTS TO AROUND 50 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW
LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE
LOWER 40S. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
BREEZY. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS AROUND 40.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE UPPER 40S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE MID 50S.
MTZ303-211000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING PARTLY CLOUDY. LOWS IN
THE LOWER 40S. WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS 5 TO 15 MPH SHIFTING TO THE NORTH 5 TO 10 MPH AFTER
MIDNIGHT.
WEDNESDAY
WINDY, COOLER. MOSTLY SUNNY IN THE MORNING, THEN
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 59 TO 65. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH INCREASING TO NORTH 15 TO 30 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SLIGHT CHANCE OF SNOW
IN THE EVENING, THEN SNOW AND RAIN LIKELY AFTER MIDNIGHT. LOWS IN
THE UPPER 20S. NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO AROUND
50 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
WINDY, COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE LOWER
40S. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
WINDY. MOSTLY CLOUDY. A 20 PERCENT
CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS AROUND 40.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
TEMPERATURE / PRECIPITATION
CUT BANK 41 78 43 62 / 0 0 0 60
MTZ304-211000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS 40 TO 46. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS
5 TO 15 MPH.
WEDNESDAY
BREEZY. MOSTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN
THE AFTERNOON. HIGHS 65 TO 73. NORTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH INCREASING TO 10 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SLIGHT CHANCE OF SNOW
IN THE EVENING, THEN RAIN AND SNOW LIKELY AFTER MIDNIGHT. LIGHT
SNOW ACCUMULATIONS. LOWS AROUND 30. NORTHWEST WINDS 20 TO 30 MPH
WITH GUSTS TO AROUND 60 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S.
FRIDAY
BREEZY. PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW.
HIGHS 37 TO 43.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
MTZ305-211000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 73 TO 79. EAST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST WINDS 20 TO
30 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
VERY WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN
LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
WINDY. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
EVENING. LOWS IN THE LOWER 20S.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
TEMPERATURE / PRECIPITATION
HAVRE 42 82 47 79 / 0 0 10 30
MTZ306-211000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 15 MPH
SHIFTING TO THE WEST 10 TO 15 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT
CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 15 TO 30 MPH. GUSTS UP TO 45 MPH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
VERY WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN
LIKELY IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE
AFTERNOON. HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN
IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE
MID 20S. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
HIGHS IN THE UPPER 30S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS 38 TO 44.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 20.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 40S.
LOWS IN THE LOWER 20S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.
MTZ309-211000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP
TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY
BREEZY. MOSTLY SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. WEST WINDS 5 TO
10 MPH INCREASING TO NORTHWEST 15 TO 25 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. LOWS AROUND 30. NORTHWEST WINDS 20 TO 30 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. SNOW LIKELY. HIGHS IN THE MID
40S. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS AROUND 50.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 50S.
MTZ310-211000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 51. SOUTHEAST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
SOUTHWEST WINDS UP TO 10 MPH INCREASING TO WEST 10 TO 20 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE LOWER
30S. NORTHWEST WINDS 15 TO 30 MPH. GUSTS UP TO 45 MPH INCREASING
TO 55 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN IN
THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON.
MODERATE SNOW ACCUMULATIONS. HIGHS IN THE MID 40S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN
IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE
UPPER 20S. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY
BREEZY. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW.
HIGHS IN THE LOWER 40S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE MID 50S.
MTZ311-211000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY LATE IN THE
EVENING THEN BECOMING PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS UP TO 10 MPH.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 76 TO 82. WEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH
SHIFTING TO THE WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE LOWER 30S.
NORTHWEST WINDS 15 TO 30 MPH. GUSTS UP TO 40 MPH INCREASING TO
50 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
VERY WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN
LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
MODERATE SNOW ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S.
FRIDAY
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
HIGHS 36 TO 42.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.
MTZ312-211000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS IN
THE MID 40S. SOUTHWEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP
TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 51. SOUTH WINDS 5 TO
15 MPH.
WEDNESDAY
BREEZY, COOLER. MOSTLY SUNNY IN THE MORNING, THEN
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH INCREASING TO WEST
15 TO 25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE LOWER 30S.
NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE
OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. SNOW AND RAIN IN THE MORNING,
THEN SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS.
HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
BREEZY. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE MID 50S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 44 82 46 72 / 0 0 10 60
MTZ313-211000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
337 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP
TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO
15 MPH.
WEDNESDAY
BREEZY. MOSTLY SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH RAIN LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
SOUTH WINDS 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH
IN THE AFTERNOON. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS AROUND 30. WEST WINDS
15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH SHIFTING TO THE
NORTHWEST 25 TO 35 MPH WITH GUSTS TO AROUND 60 MPH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
VERY WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN
SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS
IN THE UPPER 30S. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S.
FRIDAY
WINDY. SNOW LIKELY. HIGHS IN THE UPPER 30S. CHANCE OF
SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS AROUND 40.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE MID 40S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE LOWER 50S.
MTZ314-211000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
337 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 74 TO 82. SOUTHWEST WINDS 5 TO 10 MPH INCREASING
TO 15 TO 20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS 15 TO
30 MPH. GUSTS UP TO 45 MPH INCREASING TO 60 MPH AFTER MIDNIGHT.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
VERY WINDY. MUCH COOLER. MOSTLY CLOUDY. SNOW AND RAIN
IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON.
LIGHT SNOW ACCUMULATIONS. HIGHS 39 TO 45. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT AND FRIDAY
WINDY. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS IN THE UPPER 20S. HIGHS AROUND
40.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 44 79 50 73 / 0 10 10 50
MTZ315-211000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS IN
THE MID 40S. WEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 67 TO 77. SOUTH WINDS UP
TO 10 MPH. GUSTS UP TO 20 MPH INCREASING TO 30 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 30 MPH.
WEDNESDAY
COOLER. MOSTLY SUNNY WITH CHANCE OF RAIN IN THE
MORNING, THEN CLOUDY WITH RAIN SHOWERS, SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 62. SOUTH
WINDS UP TO 10 MPH INCREASING TO SOUTHWEST 10 TO 20 MPH IN THE
AFTERNOON. GUSTS UP TO 35 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN SHOWERS, SNOW AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN SNOW AND RAIN AFTER
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL 5900 FEET. LOWS
26 TO 32. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COLDER, SNOW. MODERATE SNOW ACCUMULATIONS. NEAR
STEADY TEMPERATURE IN THE LOWER 30S. CHANCE OF SNOW NEAR
100 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN
CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN
THE LOWER 20S. CHANCE OF SNOW 70 PERCENT.
FRIDAY
SNOW. LIGHT SNOW ACCUMULATIONS. HIGHS 29 TO 37. CHANCE
OF SNOW 90 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
EVENING. LOWS AROUND 18.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 33 TO 41. CHANCE OF
SNOW 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 20.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
38 TO 46.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
MONDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 43 TO 51. CHANCE OF PRECIPITATION 30 PERCENT.
MTZ316-211000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 40S. WEST WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 75 TO 81. SOUTH WINDS UP TO
15 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
SUNNY WITH SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN MOSTLY CLOUDY WITH RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 69. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON. CHANCE
OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN SHOWERS, SLIGHT CHANCE OF
THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND RAIN AFTER
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS IN THE LOWER 30S.
WEST WINDS 10 TO 25 MPH SHIFTING TO THE NORTHWEST 10 TO 15 MPH
AFTER MIDNIGHT. GUSTS UP TO 45 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
MUCH COLDER. SNOW. MODERATE SNOW ACCUMULATIONS. HIGHS
35 TO 41. CHANCE OF SNOW NEAR 100 PERCENT.
THURSDAY NIGHT AND FRIDAY
SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE MID 20S. HIGHS 35 TO 41. CHANCE OF
SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS 38 TO 44.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 42 TO 50.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS 48 TO 56.
MTZ317-211000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
337 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 41 TO 47. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 68 TO 76. SOUTHWEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 46 TO 52. SOUTH WINDS 5 TO 15 MPH. GUSTS UP
TO 35 MPH IN THE EVENING.
WEDNESDAY
BREEZY. MOSTLY SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH RAIN SHOWERS, SNOW LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 59 TO 67. SOUTH WINDS 10 TO
15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON.
GUSTS UP TO 40 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
BREEZY. MUCH COLDER. RAIN SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
SNOW AND RAIN AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL 6100 FEET. LOWS
24 TO 30. WEST WINDS 15 TO 25 MPH. GUSTS UP TO 45 MPH INCREASING
TO 60 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. SNOW. HEAVY SNOW ACCUMULATIONS.
HIGHS 28 TO 36. CHANCE OF SNOW NEAR 100 PERCENT.
THURSDAY NIGHT AND FRIDAY
SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. LOWS 17 TO 23. HIGHS 26 TO 34. CHANCE OF SNOW
70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SNOW. LOWS 14 TO 20. HIGHS 29 TO 37.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS 15 TO 21. HIGHS 36 TO 42.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
EVENING. LOWS 20 TO 26.
MONDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 42 TO 48. CHANCE OF
SNOW 40 PERCENT.
MTZ318-211000-
SNOWY AND JUDITH MOUNTAINS-
337 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 76. SOUTHWEST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
WEDNESDAY
BREEZY. PARTLY SUNNY. RAIN LIKELY IN THE AFTERNOON.
HIGHS 64 TO 72. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH IN
THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.
WEDNESDAY NIGHT
WINDY. MUCH COLDER. RAIN SHOWERS, SLIGHT
CHANCE OF THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND
RAIN AFTER MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS IN THE
UPPER 20S. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH
INCREASING TO NORTHWEST 25 TO 35 MPH WITH GUSTS TO AROUND 65 MPH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
VERY WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN
SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS
31 TO 37. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S.
FRIDAY
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,
THEN SNOW LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.
HIGHS 29 TO 35. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 19. HIGHS 32 TO 38.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 19.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 38 TO 44.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 44 TO 50.
MTZ319-211000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTH 5 TO 15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 15 MPH.
WEDNESDAY
COOLER. SUNNY IN THE MORNING, THEN MOSTLY CLOUDY
WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO 10 MPH
INCREASING TO SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS 10 TO 20 MPH.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
MUCH COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW
IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE LOWER
40S. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS AROUND 50.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE UPPER 50S.
TEMPERATURE / PRECIPITATION
HELENA 43 83 46 68 / 0 0 0 70
MTZ320-211000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
337 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
IN THE MID 40S. WEST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT. GUSTS UP TO 35 MPH.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 66 TO 76. SOUTH WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHWEST
WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 40 MPH.
WEDNESDAY
WINDY. SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
CHANCE OF RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS 56 TO 64.
SOUTH WINDS 10 TO 15 MPH INCREASING TO SOUTHWEST 15 TO 30 MPH IN
THE AFTERNOON. GUSTS UP TO 55 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. SNOW MAY BE
HEAVY AT TIMES AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW
LEVEL 6200 FEET. LOWS 27 TO 33. WEST WINDS 15 TO 25 MPH WITH
GUSTS TO AROUND 65 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. SNOW. MODERATE SNOW
ACCUMULATIONS. NEAR STEADY TEMPERATURE IN THE LOWER 30S. CHANCE
OF SNOW NEAR 100 PERCENT.
THURSDAY NIGHT AND FRIDAY
SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE LOWER 20S. HIGHS 27 TO 37. CHANCE OF
SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 19. HIGHS 31 TO 41.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS 36 TO 46.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
MONDAY
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW
IN THE AFTERNOON. HIGHS 42 TO 52.
MTZ321-211000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
IN THE LOWER 40S. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 25 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND 35 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 5 TO 15 MPH.
GUSTS UP TO 35 MPH IN THE EVENING.
WEDNESDAY
WINDY. SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
RAIN LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH INCREASING TO SOUTHWEST
20 TO 30 MPH WITH GUSTS TO AROUND 50 MPH IN THE AFTERNOON. CHANCE
OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SLIGHT CHANCE OF SNOW
IN THE EVENING, THEN SNOW AND RAIN AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS AROUND 30. WEST WINDS 15 TO 30 MPH WITH GUSTS
TO AROUND 55 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. SNOW. MODERATE SNOW
ACCUMULATIONS. HIGHS IN THE UPPER 30S. CHANCE OF SNOW NEAR
100 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S.
FRIDAY
BREEZY. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE MID 30S. CHANCE OF
SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 18. HIGHS IN THE UPPER 30S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE MID 40S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE LOWER 50S.
MTZ322-211000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS 40 TO 46. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 30 MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. HIGHS
65 TO 75. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 41 TO 47. SOUTH WINDS 5 TO 15 MPH. GUSTS UP
TO 45 MPH DECREASING TO 30 MPH AFTER MIDNIGHT.
WEDNESDAY
BREEZY. MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN AND
SNOW IN THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS, SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 53 TO 61. SOUTH WINDS 5 TO 15 MPH INCREASING TO SOUTHWEST
15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 50 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
COLDER. SNOW AND RAIN. HEAVY SNOW
ACCUMULATIONS. SNOW LEVEL 6100 FEET. LOWS 27 TO 33. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 50 MPH. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
THURSDAY
COLDER, SNOW. MODERATE SNOW ACCUMULATIONS. NEAR
STEADY TEMPERATURE IN THE LOWER 30S. CHANCE OF SNOW NEAR
100 PERCENT.
THURSDAY NIGHT AND FRIDAY
SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. LOWS 18 TO 24. HIGHS 28 TO 36. CHANCE OF SNOW
70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 15 TO 21.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
32 TO 40.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 17 TO 23.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 38 TO 46.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 21 TO 27.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 42 TO 52.
MTZ323-211000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS 5 TO 20 MPH.
GUSTS UP TO 40 MPH IN THE EVENING.
WEDNESDAY
WINDY, COOLER. SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH RAIN LIKELY IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH INCREASING
TO SOUTHWEST 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH IN THE
AFTERNOON. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 30S.
WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. SNOW AND RAIN IN THE MORNING,
THEN SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN
THE LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS IN THE UPPER 20S. HIGHS AROUND 40.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID
20S.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 20S. HIGHS AROUND 50.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE MID 50S.
MTZ324-211000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
IN THE LOWER 40S. SOUTHWEST WINDS UP TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP
TO 5 MPH WITH GUSTS TO AROUND 20 MPH INCREASING TO 15 TO 20 MPH
WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH DECREASING TO 5 TO 10 MPH WITH GUSTS TO
AROUND 25 MPH AFTER MIDNIGHT.
WEDNESDAY
WINDY, COOLER. SUNNY IN THE MORNING, THEN PARTLY
SUNNY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 40 MPH INCREASING TO SOUTHWEST 20 TO 35 MPH
WITH GUSTS TO AROUND 50 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 30S.
WEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW
SHOWERS WITH POSSIBLE SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE MID 40S. CHANCE
OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN
CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN
THE MID 20S. CHANCE OF SNOW 70 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
AROUND 40.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE LOWER 20S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
40S. LOWS IN THE MID 20S.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 50. LOWS
IN THE UPPER 20S.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S.
MTZ325-211000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
IN THE MID 40S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY
WINDY. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 15 MPH INCREASING
TO 15 TO 30 MPH IN THE AFTERNOON.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 10 TO
25 MPH DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.
WEDNESDAY
WINDY, COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF
RAIN IN THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO
62. SOUTH WINDS 15 TO 25 MPH INCREASING TO 25 TO 35 MPH IN THE
AFTERNOON. GUSTS UP TO 50 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE LOWER 30S. SOUTHWEST WINDS 15 TO
30 MPH BECOMING WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
LIGHT SNOW ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE LOWER 20S. CHANCE OF SNOW 70 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
IN THE UPPER 30S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 19.
SATURDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
IN THE LOWER 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE LOWER 50S.
MTZ326-211000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
337 PM MDT MON APR 20 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING. LOWS
IN THE LOWER 40S. SOUTH WINDS UP TO 10 MPH.
TUESDAY
SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. HIGHS
IN THE UPPER 70S. SOUTHEAST WINDS UP TO 5 MPH INCREASING TO
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
WEDNESDAY
WINDY, COOLER. SUNNY IN THE MORNING, THEN PARTLY
SUNNY WITH A 50 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN
THE MID 60S. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
INCREASING TO SOUTHWEST 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
COLDER. RAIN IN THE EVENING, THEN RAIN AND
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
MUCH COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE LOWER 40S.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN
CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN
THE MID 20S. CHANCE OF SNOW 70 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
AROUND 40.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 19.
SATURDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
IN THE MID 40S.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE MID 50S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 39 81 42 65 / 0 0 0 50
BOZEMAN MSU 43 79 47 64 / 0 0 0 50
MTZ330-211000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
337 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...
TONIGHT
PARTLY CLOUDY. LOWS 35 TO 43. SOUTH WINDS 5 TO 15 MPH
WITH GUSTS TO AROUND 35 MPH.
TUESDAY
BREEZY. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. HIGHS 56 TO 68. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND
45 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 43. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 45 MPH.
WEDNESDAY
WINDY. PARTLY SUNNY. CHANCE OF SNOW AND RAIN IN THE
MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. SNOW
LEVEL 7200 FEET. HIGHS 41 TO 53. SOUTH WINDS 10 TO 25 MPH
INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 55 MPH.
CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. SNOW AND RAIN IN THE EVENING,
THEN SNOW AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS 25 TO
31. SOUTHWEST WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 45 MPH
SHIFTING TO THE WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
SNOW IN THE MORNING, THEN SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW
ACCUMULATIONS. HIGHS 30 TO 40. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY NIGHT AND FRIDAY
SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. LOWS 16 TO 22. HIGHS 25 TO 35. CHANCE OF SNOW
70 PERCENT.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS 11 TO 20. HIGHS 29 TO 43.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 18 TO 24.
MONDAY
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW
IN THE AFTERNOON. HIGHS 39 TO 49.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 28 67 33 50 / 0 0 20 80
MTZ327-211000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 59 TO 69. SOUTH WINDS UP TO 10 MPH
INCREASING TO 10 TO 20 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH AFTER
MIDNIGHT.
WEDNESDAY
COOLER. PARTLY SUNNY WITH SNOW LIKELY AND CHANCE OF
RAIN IN THE MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HEAVY SNOW
ACCUMULATIONS. SNOW LEVEL 7200 FEET. HIGHS 43 TO 53. SOUTH WINDS
5 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 20 MPH IN THE
AFTERNOON. GUSTS UP TO 45 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
WEDNESDAY NIGHT
SNOW AND RAIN IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S.
WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
SNOW. MODERATE SNOW ACCUMULATIONS. HIGHS 32 TO 42.
CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
SNOW IN THE EVENING, THEN SNOW LIKELY AFTER
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS AROUND 20. CHANCE OF
SNOW 90 PERCENT.
FRIDAY
SNOW LIKELY. LIGHT SNOW ACCUMULATIONS. HIGHS 27 TO 37.
CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 16.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS 31 TO 41. LOWS AROUND 19.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
36 TO 46.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 41 TO 51.
MTZ328-211000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS UP
TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
WINDY. MOSTLY SUNNY. HIGHS 69 TO 75. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 15 TO 30 MPH
WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON.
TUESDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 40S.
SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH DECREASING
TO 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH AFTER MIDNIGHT.
WEDNESDAY
WINDY, COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF
RAIN IN THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT SNOW
ACCUMULATIONS. HIGHS 54 TO 60. SOUTH WINDS 10 TO 15 MPH
INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO 50 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
BREEZY. RAIN AND SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN SNOW AND RAIN AFTER MIDNIGHT. HEAVY SNOW
ACCUMULATIONS. LOWS IN THE MID 30S. WEST WINDS 10 TO 25 MPH
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 40 MPH.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COOLER. SNOW AND RAIN LIKELY. MODERATE SNOW
ACCUMULATIONS. HIGHS 41 TO 47. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE MID 20S. CHANCE OF SNOW 70 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
36 TO 42.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 20.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 40 TO 46.
LOWS IN THE LOWER 20S.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 45 TO 51. LOWS IN
THE MID 20S.
MONDAY
MOSTLY SUNNY. HIGHS 51 TO 57.
TEMPERATURE / PRECIPITATION
DILLON 40 74 44 60 / 0 0 0 70
MTZ329-211000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
337 PM MDT MON APR 20 2026
TONIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS 5 TO
15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH AFTER MIDNIGHT.
TUESDAY
WINDY. MOSTLY SUNNY. HIGHS 59 TO 67. SOUTH WINDS 10 TO
15 MPH INCREASING TO 20 TO 30 MPH IN THE AFTERNOON. GUSTS UP TO
50 MPH.
TUESDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS 36 TO 42. SOUTH WINDS
15 TO 30 MPH WITH GUSTS TO AROUND 55 MPH DECREASING TO 15 TO
20 MPH WITH GUSTS TO AROUND 45 MPH AFTER MIDNIGHT.
WEDNESDAY
WINDY, COOLER. MOSTLY CLOUDY. CHANCE OF SNOW AND
RAIN IN THE MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW
ACCUMULATIONS. SNOW LEVEL 7100 FEET. HIGHS 43 TO 51. SOUTH WINDS
15 TO 25 MPH INCREASING TO 20 TO 35 MPH IN THE AFTERNOON. GUSTS
UP TO 55 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY. SNOW IN THE EVENING, THEN SNOW LIKELY
AFTER MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS AROUND 30. WEST
WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE OF SNOW
90 PERCENT.
THURSDAY
BREEZY. SNOW LIKELY IN THE MORNING, THEN SNOW IN THE
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 36 TO 42. CHANCE OF
SNOW 90 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY. SNOW LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. MODERATE SNOW
ACCUMULATIONS. LOWS IN THE LOWER 20S. CHANCE OF SNOW 70 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
28 TO 36.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. LOWS AROUND 19. HIGHS 32 TO 40.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 37 TO 45.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 43 TO 51.
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