341
FPUS55 KTFX 190443
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1042 PM MDT SAT APR 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR THE REST OF TONIGHT, SUNDAY, SUNDAY NIGHT, AND MONDAY.
MTZ301-191000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE IN THE
LOWER 30S. SOUTHWEST WINDS 5 TO 15 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 46 TO 56. SOUTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 35 TO 41. SOUTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
NOT AS COOL. SUNNY. HIGHS 54 TO 64. SOUTHWEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 44. SOUTHWEST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 59 TO 69.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS 37 TO 43.
CHANCE OF RAIN 50 PERCENT.
WEDNESDAY
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN
THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS.
HIGHS 43 TO 53. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. SNOW AND RAIN IN THE EVENING,
THEN SNOW LIKELY AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES IN
THE EVENING. HEAVY SNOW ACCUMULATIONS. LOWS 22 TO 28. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY AND THURSDAY NIGHT
BREEZY, COLDER. MOSTLY CLOUDY WITH
A 50 PERCENT CHANCE OF SNOW. HIGHS 29 TO 37. LOWS IN THE LOWER
20S.
FRIDAY
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 31 TO 39. CHANCE OF
SNOW 40 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS 35 TO 43.
MTZ307-191000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 25 TO 31. WEST WINDS UP TO
10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 49 TO 59. WEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS 35 TO 41. WEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
WARMER, SUNNY. HIGHS 56 TO 66. SOUTHWEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 43. WEST WINDS UP TO
10 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 61 TO 71.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 38 TO 44.
WEDNESDAY
PARTLY SUNNY WITH CHANCE OF RAIN IN THE MORNING,
THEN CLOUDY WITH RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 48 TO 58. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW IN THE EVENING,
THEN SNOW AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS 24 TO 30. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY IN THE
AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 28 TO 38. CHANCE OF
SNOW 90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 17 TO 23.
FRIDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
32 TO 40.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS IN THE LOWER 20S.
SATURDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 43.
MTZ302-191000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 5 TO 10 MPH.
SUNDAY
WARMER. MOSTLY SUNNY. HIGHS 60 TO 66. SOUTHWEST WINDS
5 TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS AROUND 70. WEST WINDS UP TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
WEDNESDAY
BREEZY, COOLER. PARTLY SUNNY. SLIGHT CHANCE OF RAIN
IN THE MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 53 TO 59. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW IN THE EVENING,
THEN SNOW AND RAIN LIKELY AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
WINDY, COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS AROUND 40.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
IN THE MID 40S.
MTZ308-191000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST
WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS UP
TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
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 IN THE
LOWER 60S. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
WINDY, 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
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 40 PERCENT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. HIGHS IN THE MID 40S. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ303-191000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. WEST WINDS
UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
NOT AS COOL. PARTLY CLOUDY. LOWS IN THE UPPER
30S. WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
MONDAY NIGHT
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.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
BREEZY, COOLER. PARTLY SUNNY. SLIGHT CHANCE OF RAIN
IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 57 TO
63. CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW IN THE EVENING,
THEN SNOW AND RAIN LIKELY AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
WINDY, COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS IN THE LOWER 40S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS IN THE MID 20S.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE MID 40S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS IN THE UPPER 40S.
TEMPERATURE / PRECIPITATION
CUT BANK 25 67 36 73 / 0 0 0 0
MTZ304-191000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. EAST
WINDS UP TO 10 MPH. GUSTS UP TO 20 MPH AFTER MIDNIGHT.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40. WEST WINDS UP TO
15 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 45. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
SUNNY. HIGHS 76 TO 82.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
COOLER. PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 63 TO 69.
CHANCE OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW. LIGHT SNOW
ACCUMULATIONS. LOWS IN THE UPPER 20S. 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
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS IN THE MID 20S.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE MID 40S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S.
MTZ305-191000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS IN THE UPPER 20S. EAST WINDS 5 TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80. LOWS
IN THE UPPER 40S.
WEDNESDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
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
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND
SNOW IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF PRECIPITATION
20 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE MID 40S.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 40S.
TEMPERATURE / PRECIPITATION
HAVRE 28 69 38 74 / 0 0 0 0
MTZ306-191000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLOUDY IN THE LATE EVENING AND EARLY
MORNING THEN BECOMING PARTLY CLOUDY. LOWS IN THE UPPER 20S. EAST
WINDS 5 TO 15 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 15 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 5 TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 40S.
WEDNESDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE LOWER 70S.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION
80 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 MID 40S. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH CHANCE OF SNOW AND
RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF PRECIPITATION
30 PERCENT.
FRIDAY
BREEZY. MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW.
HIGHS IN THE LOWER 40S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE UPPER 40S.
MTZ309-191000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. WEST WINDS
UP TO 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS UP
TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
COOLER. PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN
THE AFTERNOON. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW. LOWS IN THE
UPPER 20S. 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 MID 40S. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 30 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE MID 40S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 50.
MTZ310-191000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH
WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 41. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
UP TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
80S. LOWS IN THE UPPER 40S.
WEDNESDAY
COOLER. PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN
THE AFTERNOON. HIGHS IN THE LOWER 70S.
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. CHANCE
OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
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 MID 40S. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE
MID 20S. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON. HIGHS IN THE MID
40S. CHANCE OF PRECIPITATION 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN
THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN
THE MID 20S. CHANCE OF PRECIPITATION 20 PERCENT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE UPPER 40S.
MTZ311-191000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS AROUND 30. EAST WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS 61 TO 67. SOUTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
NOT AS COOL. PARTLY CLOUDY. LOWS IN THE LOWER
40S. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS UP
TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 76 TO 82. LOWS
IN THE LOWER 50S.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 69 TO 75.
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. CHANCE
OF PRECIPITATION 90 PERCENT.
THURSDAY
WINDY. MUCH COOLER. MOSTLY CLOUDY. SNOW AND RAIN
LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
MODERATE SNOW ACCUMULATIONS. HIGHS 41 TO 47. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF SNOW 40 PERCENT.
FRIDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE LOWER 40S.
CHANCE OF SNOW 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 40S.
MTZ312-191000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTHWEST WINDS
5 TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
COOLER. PARTLY SUNNY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
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. CHANCE
OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. MODERATE SNOW
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF SNOW 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 50 PERCENT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. HIGHS IN THE MID 40S. LOWS IN THE MID 20S.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 30 68 39 75 / 0 0 0 0
MTZ313-191000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. SOUTHWEST WINDS
UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP TO
10 MPH.
SUNDAY NIGHT
NOT AS COOL. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE
UPPER 40S.
WEDNESDAY
BREEZY. MOSTLY CLOUDY. RAIN LIKELY IN THE AFTERNOON.
HIGHS IN THE UPPER 60S. 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. MODERATE SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S.
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
AROUND 40. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S.
FRIDAY
BREEZY. PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW.
HIGHS IN THE LOWER 40S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN
THE MID 40S. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ314-191000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 30. SOUTHEAST WINDS
UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO
10 MPH.
SUNDAY NIGHT
NOT AS COOL. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80. LOWS
IN THE LOWER 50S.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 70 TO 76.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
WINDY. MUCH COOLER. SNOW AND RAIN IN THE MORNING,
THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON. MODERATE SNOW
ACCUMULATIONS. HIGHS 40 TO 46. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT AND FRIDAY
BREEZY. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE MID 40S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 28 65 40 71 / 0 0 0 0
MTZ315-191000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST
WINDS UP TO 5 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 55 TO 63. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 40. WEST WINDS UP TO 10 MPH. GUSTS UP TO
25 MPH IN THE EVENING.
MONDAY
WARMER, SUNNY. HIGHS 62 TO 70. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 66 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS IN THE MID 40S.
WEDNESDAY
PARTLY SUNNY WITH CHANCE OF RAIN IN THE MORNING,
THEN CLOUDY WITH RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 54 TO 62. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. SNOW MAY BE
HEAVY AT TIMES AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS
AROUND 30. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY IN THE
AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 31 TO 39. CHANCE OF
SNOW 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS IN THE LOWER 20S.
FRIDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
34 TO 42.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS IN THE LOWER 20S.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 38 TO 46. CHANCE OF PRECIPITATION 30 PERCENT.
MTZ316-191000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS 61 TO 67. SOUTHWEST WINDS 5 TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS 68 TO 74. SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 73 TO 79.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
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 61 TO 67. CHANCE
OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. MODERATE SNOW
ACCUMULATIONS. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW
LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 37 TO
43. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 50 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
39 TO 45.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS IN THE MID 20S.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 43 TO
49. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ317-191000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE IN THE
LOWER 30S. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 54 TO 62. SOUTHWEST WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 37 TO 43. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
MONDAY
WARMER, SUNNY. HIGHS 61 TO 69. WEST WINDS UP TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 41 TO 47. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 66 TO 74.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS 44 TO 50.
WEDNESDAY
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN MOSTLY CLOUDY WITH RAIN IN THE AFTERNOON. HIGHS
57 TO 65. CHANCE OF RAIN 80 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. LOWS 24 TO 30. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW
LIKELY IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE
MORNING. HEAVY SNOW ACCUMULATIONS. HIGHS 29 TO 37. CHANCE OF SNOW
90 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS 17 TO 23. HIGHS 33 TO 39.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS 19 TO 25.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 36 TO 42. CHANCE OF
SNOW 40 PERCENT.
MTZ318-191000-
SNOWY AND JUDITH MOUNTAINS-
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 57 TO 63. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY NIGHT
NOT AS COOL. MOSTLY CLEAR IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST WINDS
5 TO 15 MPH.
MONDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 64 TO
70. WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. GUSTS UP
TO 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 70 TO 76.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS IN THE UPPER 40S.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN RAIN LIKELY IN THE AFTERNOON. HIGHS 63 TO 69. CHANCE OF RAIN
70 PERCENT.
WEDNESDAY NIGHT
WINDY. MUCH COLDER. RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE
OF PRECIPITATION 90 PERCENT.
THURSDAY
VERY WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN
SNOW LIKELY IN THE AFTERNOON. HEAVY SNOW ACCUMULATIONS. NEAR
STEADY TEMPERATURE IN THE LOWER 30S. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
BREEZY. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS 34 TO 40.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS 37 TO 43.
MTZ319-191000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SUNDAY
WARMER, SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
UP TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
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 IN THE
UPPER 60S. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
MUCH COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW
LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE
LOWER 40S. CHANCE OF PRECIPITATION 80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 40 PERCENT.
FRIDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
EVENING. LOWS IN THE MID 20S.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS AROUND 50.
CHANCE OF PRECIPITATION 20 PERCENT.
TEMPERATURE / PRECIPITATION
HELENA 31 69 40 75 / 0 0 0 0
MTZ320-191000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. SOUTH WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 52 TO 62. SOUTHWEST WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
WARMER, SUNNY. HIGHS 60 TO 70. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 35 MPH SHIFTING TO THE
SOUTHEAST WITH GUSTS TO AROUND 25 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 73.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
BREEZY. MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN IN
THE MORNING, THEN MOSTLY CLOUDY WITH RAIN LIKELY IN THE
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 56 TO 64. CHANCE OF
RAIN 70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. HEAVY SNOW
ACCUMULATIONS. LOWS 27 TO 33. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW
LIKELY IN THE AFTERNOON. HEAVY SNOW ACCUMULATIONS. HIGHS 31 TO
39. CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS IN THE LOWER 20S. HIGHS 33 TO 43.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS IN THE MID 20S. HIGHS 37 TO 45.
MTZ321-191000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH
WINDS UP TO 10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST
WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 40S.
WEDNESDAY
BREEZY. MOSTLY SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH RAIN LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S.
CHANCE OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN AND SNOW. LIGHT SNOW
ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
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
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS IN THE LOWER 20S.
FRIDAY
PARTLY SUNNY WITH A 40 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.
MTZ322-191000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 27 TO 33. WEST WINDS UP TO
10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 55 TO 63. SOUTHWEST WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 36 TO 42. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 30 MPH.
MONDAY
WARMER, SUNNY. HIGHS 61 TO 71. SOUTHWEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS
UP TO 10 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS 64 TO 74.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 41 TO 47.
WEDNESDAY
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 54 TO 62. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN AND SNOW. SNOW MAY BE
HEAVY AT TIMES AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS
26 TO 32. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
BREEZY, COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY
IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 31 TO 39.
CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 19 TO
25. CHANCE OF SNOW 50 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
34 TO 42.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS 20 TO 26. HIGHS 38 TO 46.
MTZ323-191000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTH
WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS UP TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS UP TO 10 MPH. GUSTS UP
TO 25 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
BREEZY, COOLER. MOSTLY SUNNY IN THE MORNING, THEN
MOSTLY CLOUDY WITH RAIN LIKELY IN THE AFTERNOON. HIGHS IN THE
UPPER 60S. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
WINDY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SNOW AFTER MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
WINDY. MUCH COLDER. SNOW AND RAIN IN THE MORNING,
THEN SNOW LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.
HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE UPPER 20S.
CHANCE OF SNOW 50 PERCENT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AND RAIN. HIGHS IN THE UPPER 40S. LOWS IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS
AROUND 50. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ324-191000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 30. SOUTHWEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
WARMER, SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTH 5 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS UP TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS IN THE MID 40S.
WEDNESDAY
BREEZY, COOLER. PARTLY SUNNY. A 50 PERCENT CHANCE OF
RAIN IN THE AFTERNOON. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SNOW AFTER MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY. MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN IN
THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW
ACCUMULATIONS. HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION
80 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 40 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE UPPER 40S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
20S. HIGHS AROUND 50.
MTZ325-191000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS
5 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
5 TO 15 MPH.
MONDAY
SUNNY. HIGHS AROUND 70. SOUTH WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
10 TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
70S. LOWS IN THE MID 40S.
WEDNESDAY
WINDY. MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN IN
THE MORNING, THEN MOSTLY CLOUDY WITH RAIN LIKELY IN THE
AFTERNOON. HIGHS 59 TO 65. CHANCE OF RAIN 70 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. RAIN IN THE EVENING, THEN RAIN
AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
BREEZY, COLDER. SNOW AND RAIN IN THE MORNING, THEN
SNOW LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN
THE LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 40 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE MID 40S.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE UPPER 40S.
MTZ326-191000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH
WINDS UP TO 10 MPH.
SUNDAY
WARMER, SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP
TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS UP TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
WEDNESDAY
BREEZY. PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN IN
THE AFTERNOON. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
COLDER. RAIN IN THE EVENING, THEN RAIN AND
SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN IN THE
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 50 PERCENT.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. HIGHS IN THE MID 40S. LOWS IN THE MID 20S.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 25 67 35 74 / 0 0 0 0
BOZEMAN MSU 28 64 38 72 / 0 0 0 0
MTZ330-191000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 20 TO 28. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 46 TO 58. SOUTH WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 30 TO 38. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
MONDAY
WARMER, SUNNY. HIGHS 53 TO 65. SOUTH WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 34 TO 42. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 55 TO 67.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS 35 TO 43.
WEDNESDAY
BREEZY. MOSTLY SUNNY WITH CHANCE OF SNOW AND SLIGHT
CHANCE OF RAIN IN THE MORNING, THEN MOSTLY CLOUDY WITH SNOW
SHOWERS WITH POSSIBLE SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 44 TO 56. CHANCE OF
PRECIPITATION 80 PERCENT.
WEDNESDAY NIGHT
COLDER. SNOW AND RAIN. SNOW MAY BE HEAVY AT
TIMES AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS 25 TO 31.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY IN THE
AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 29 TO 39. CHANCE OF
SNOW 90 PERCENT.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 16 TO
22. CHANCE OF SNOW 50 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
32 TO 42.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 18 TO 24.
SATURDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
35 TO 45.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 15 57 24 64 / 0 0 0 0
MTZ327-191000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
NOT AS COLD. MOSTLY CLEAR. LOWS IN THE MID
20S. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 51 TO 61. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY
WARMER, SUNNY. HIGHS 57 TO 67. SOUTHWEST WINDS UP TO
5 MPH WITH GUSTS TO AROUND 20 MPH INCREASING TO 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
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.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE
UPPER 30S.
WEDNESDAY
PARTLY SUNNY WITH CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN CLOUDY WITH RAIN SHOWERS, SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW
ACCUMULATIONS. HIGHS 45 TO 55. CHANCE OF PRECIPITATION
90 PERCENT.
WEDNESDAY NIGHT
COLDER. SNOW AND RAIN. HEAVY SNOW
ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
THURSDAY
SNOW IN THE MORNING, THEN SNOW LIKELY IN THE
AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 32 TO 42. CHANCE OF
SNOW 90 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 20. CHANCE
OF SNOW 50 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS
35 TO 45.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER
20S.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
38 TO 48.
MTZ328-191000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH
WINDS UP TO 15 MPH.
SUNDAY
WARMER, SUNNY. HIGHS 60 TO 66. SOUTH WINDS UP TO
15 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
UP TO 15 MPH.
MONDAY
WARMER, SUNNY. HIGHS 68 TO 74. SOUTHWEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 69 TO 75. LOWS
IN THE MID 40S.
WEDNESDAY
WINDY. 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 57 TO 63. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
COLDER. RAIN AND SNOW. HEAVY SNOW
ACCUMULATIONS. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
BREEZY, COOLER. MOSTLY CLOUDY. SNOW AND RAIN LIKELY
IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. MODERATE
SNOW ACCUMULATIONS. HIGHS 41 TO 47. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
CHANCE OF SNOW 40 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
43 TO 49.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS 46 TO 52.
TEMPERATURE / PRECIPITATION
DILLON 27 66 36 72 / 0 0 0 0
MTZ329-191000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
1042 PM MDT SAT APR 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTH WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 51 TO 59. SOUTH WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. GUSTS UP TO
30 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
WARMER, SUNNY. HIGHS 58 TO 66. SOUTH WINDS UP TO 10 MPH
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 40. SOUTH WINDS 10 TO
20 MPH DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT. GUSTS UP TO
35 MPH.
TUESDAY
BREEZY. MOSTLY SUNNY. HIGHS 60 TO 68.
TUESDAY NIGHT
BREEZY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AFTER MIDNIGHT. LOWS 37 TO 43.
WEDNESDAY
WINDY, COOLER. PARTLY SUNNY. CHANCE OF RAIN AND SNOW
IN THE MORNING, THEN SNOW SHOWERS WITH POSSIBLE SHOWERS AND
THUNDERSTORMS LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.
HIGHS 46 TO 54. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
BREEZY, COLDER. SNOW AND RAIN. HEAVY SNOW
ACCUMULATIONS. LOWS AROUND 30. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
BREEZY, COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY
IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 34 TO 40.
CHANCE OF SNOW 90 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY. CHANCE OF SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE
LOWER 20S. CHANCE OF SNOW 50 PERCENT.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
36 TO 44.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 39 TO 47.
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