510
FPUS55 KTFX 190632
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1232 AM MDT TUE MAY 19 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR .TONIGHT THROUGH TODAY..., WEDNESDAY, WEDNESDAY NIGHT,
AND THURSDAY.
MTZ301-201000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS,
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 42 TO 54.
LOWS 27 TO 38. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
35 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY
RAIN AND SNOW LIKELY IN THE MORNING, THEN RAIN
SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. SNOW LEVEL
6500 FEET. HIGHS 39 TO 49. NORTH WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SNOW SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO
2 INCHES. TOTAL SNOW ACCUMULATION UP TO 5 INCHES. SNOW LEVEL
6200 FEET. LOWS 28 TO 34. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
THURSDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 47 TO 59. NORTHWEST
WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40. SOUTHWEST WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 51 TO 63.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 43.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 54 TO 66.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
BREEZY. PARTLY CLOUDY.
LOWS 38 TO 46. HIGHS 54 TO 66.
MEMORIAL DAY
WINDY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN
IN THE AFTERNOON. HIGHS 52 TO 62.
MONDAY NIGHT AND TUESDAY
BREEZY. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF RAIN AND SNOW. LOWS 36 TO 42. HIGHS 49 TO 59.
MTZ307-201000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS,
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 43 TO 55.
LOWS 23 TO 36. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
35 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY
CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING, THEN
RAIN SHOWERS WITH POSSIBLE THUNDERSTORMS AND SNOW SHOWERS IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES. HIGHS 42 TO 52. WEST
WINDS 5 TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SNOW AND
RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. TOTAL SNOW
ACCUMULATION UP TO 4 INCHES. SNOW LEVEL 6600 FEET. LOWS 28 TO 34.
NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 30 PERCENT CHANCE OF RAIN AND SNOW IN
THE MORNING. HIGHS 45 TO 57. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 37. WEST WINDS UP TO
10 MPH.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN
IN THE AFTERNOON. HIGHS 50 TO 62.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40.
SATURDAY
WARMER, SUNNY. HIGHS 55 TO 67.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 43.
SUNDAY
SUNNY. HIGHS 56 TO 68.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 45.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 66.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF
RAIN AND SNOW. LOWS 35 TO 41. HIGHS 50 TO 62.
MTZ302-201000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF RAIN AND THUNDERSTORMS. HIGHS IN THE UPPER 50S. LOWS 31 TO 39.
WEST WINDS 5 TO 25 MPH.
WEDNESDAY
RAIN LIKELY AND SLIGHT CHANCE OF SNOW IN THE
MORNING, THEN RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS IN THE LOWER 50S.
NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 50 PERCENT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY THROUGH MEMORIAL DAY
WINDY. PARTLY CLOUDY. HIGHS 66 TO
71. LOWS IN THE MID 40S.
MONDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
RAIN. LOWS IN THE LOWER 40S.
TUESDAY
BREEZY. MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID
60S. CHANCE OF RAIN 40 PERCENT.
MTZ308-201000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND THUNDERSTORMS. HIGHS IN THE LOWER 60S. LOWS 30 TO 40.
SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 50S. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING,
THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS UP TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS IN THE LOWER 60S. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
LOWS IN THE MID 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 70S.
MONDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE MID 40S. CHANCE OF RAIN 30 PERCENT.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
IN THE UPPER 60S.
MTZ303-201000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
AND THUNDERSTORMS. HIGHS IN THE LOWER 60S. LOWS 30 TO 39. WEST
WINDS 5 TO 20 MPH.
WEDNESDAY
CHANCE OF RAIN IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF RAIN 50 PERCENT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
LOWS IN THE LOWER 40S.
SATURDAY THROUGH MEMORIAL DAY
BREEZY. PARTLY CLOUDY. HIGHS IN
THE MID 70S. LOWS IN THE MID 40S.
MONDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
RAIN. LOWS IN THE LOWER 40S.
TUESDAY
BREEZY. MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN.
HIGHS IN THE UPPER 60S.
TEMPERATURE / PRECIPITATION
CUT BANK 34 55 34 63 / 20 80 40 0
MTZ304-201000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 60S. LOWS
29 TO 41. WEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 70. LOWS
IN THE LOWER 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS 73 TO 79.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS 73 TO 79.
MONDAY NIGHT AND TUESDAY
BREEZY. PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS 67 TO 73.
MTZ305-201000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS
30 TO 41. SOUTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 60. NORTHWEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE LOWER 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS IN
THE MID 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TEMPERATURE / PRECIPITATION
HAVRE 34 62 36 66 / 30 50 10 10
MTZ306-201000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. HIGHS IN THE MID 60S. LOWS 27 TO 40. SOUTHWEST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 15 MPH
SHIFTING TO THE NORTHWEST 15 TO 20 MPH IN THE AFTERNOON. CHANCE
OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN. LOWS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS UP TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 70. LOWS
IN THE LOWER 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT THROUGH MONDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS
IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
TUESDAY
WINDY. MOSTLY SUNNY. HIGHS IN THE MID 70S.
MTZ309-201000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS
28 TO 39. SOUTHWEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN 70 PERCENT.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 70. LOWS
IN THE LOWER 40S.
SATURDAY THROUGH MEMORIAL DAY
PARTLY CLOUDY. HIGHS IN THE
UPPER 70S. LOWS IN THE MID 40S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
MTZ310-201000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS
30 TO 42. SOUTHWEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
RAIN. LOWS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE MID 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MTZ311-201000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 60 TO 66. LOWS 29 TO 42.
SOUTHWEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 57 TO 63.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
RAIN. LOWS IN THE UPPER 30S. NORTHWEST WINDS UP TO 15 MPH.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 59 TO 65. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 66 TO 72. LOWS IN
THE MID 40S.
SATURDAY
SUNNY. HIGHS 73 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS 73 TO 79.
SUNDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND
50. HIGHS 75 TO 81.
TUESDAY
BREEZY. MOSTLY SUNNY. HIGHS 69 TO 75.
MTZ312-201000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 60S. LOWS
29 TO 41. SOUTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 10 MPH. CHANCE OF RAIN 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS IN THE LOWER 60S. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 70. LOWS
IN THE MID 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MEMORIAL DAY
BREEZY. PARTLY CLOUDY.
LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
CHANCE OF RAIN 30 PERCENT.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 35 58 38 63 / 40 80 70 20
MTZ313-201000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS AROUND 60. LOWS 27 TO
40. SOUTHWEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY
CLOUDY. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
WEDNESDAY NIGHT
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 10 MPH.
GUSTS UP TO 25 MPH IN THE EVENING. CHANCE OF RAIN 90 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE UPPER 50S.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF RAIN 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 60S.
LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT THROUGH MEMORIAL DAY
BREEZY. PARTLY CLOUDY.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE UPPER 60S.
MTZ314-201000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND THUNDERSTORMS. HIGHS 60 TO 66. LOWS 28 TO 42. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 59 TO 65. WEST WINDS 5 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
RAIN. LOWS AROUND 40. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 58 TO 64. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 66 TO 72. LOWS IN
THE MID 40S.
SATURDAY
SUNNY. HIGHS 73 TO 79.
SATURDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 70S.
TUESDAY
BREEZY. MOSTLY SUNNY. HIGHS 70 TO 76.
TEMPERATURE / PRECIPITATION
LEWISTOWN 31 58 35 57 / 30 80 80 50
MTZ315-201000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND THUNDERSTORMS. HIGHS 49 TO 59. LOWS 26 TO 37. WEST WINDS
UP TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY, SLIGHT CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. LITTLE OR NO
SNOW ACCUMULATION. HIGHS 48 TO 58. WEST WINDS 5 TO 15 MPH. CHANCE
OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AND SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS IN
THE MID 30S. NORTH WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN AND SNOW IN
THE MORNING. HIGHS 50 TO 60. NORTH WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 56 TO 66. LOWS
AROUND 40.
SATURDAY
SUNNY. HIGHS 62 TO 70.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS 63 TO 72.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND SNOW. LOWS IN THE LOWER 40S. HIGHS 57 TO 65.
MTZ316-201000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND THUNDERSTORMS. HIGHS 56 TO 64. LOWS 30 TO 40. SOUTHWEST
WINDS UP TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 53 TO 61. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. NORTHWEST WINDS UP TO 10 MPH. GUSTS UP TO
25 MPH IN THE EVENING. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN AND SLIGHT CHANCE OF
SNOW IN THE MORNING. HIGHS 55 TO 63. NORTHWEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 62 TO 70. LOWS IN
THE LOWER 40S.
SATURDAY
SUNNY. HIGHS 68 TO 76.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 40S. HIGHS 70 TO 78.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 77.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 40S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 63 TO 71. CHANCE OF
RAIN 30 PERCENT.
MTZ317-201000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS,
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 48 TO 56.
LOWS 23 TO 38. SOUTHWEST WINDS UP TO 15 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY
CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS LIKELY, CHANCE OF THUNDERSTORMS AND SNOW SHOWERS LIKELY
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. HIGHS 46 TO 54.
WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW LIKELY AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. TOTAL SNOW
ACCUMULATION UP TO 4 INCHES. LOWS 31 TO 37. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF SNOW AND RAIN IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 47 TO
55. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 39. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 63.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 44.
SATURDAY
SUNNY. HIGHS 62 TO 68.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS 39 TO
50. HIGHS 65 TO 71.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN, THUNDERSTORMS AND SNOW. LOWS 41 TO 47. HIGHS 59 TO 65.
MTZ318-201000-
SNOWY AND JUDITH MOUNTAINS-
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 50 TO 58. LOWS 22 TO
38. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY
CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 49 TO 57. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
RAIN IN THE EVENING, THEN RAIN AND SNOW LIKELY
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. LOWS IN THE MID
30S. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. SNOW LIKELY AND CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS
47 TO 55. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 56 TO 64. LOWS
AROUND 40.
SATURDAY
SUNNY. HIGHS 64 TO 70.
SATURDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS 65 TO 75.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 62 TO 68.
MTZ319-201000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND
THUNDERSTORMS. HIGHS IN THE MID 60S. LOWS 29 TO 38. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. WEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 60 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS IN THE LOWER 60S. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE UPPER 70S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.
TEMPERATURE / PRECIPITATION
HELENA 34 64 38 63 / 20 60 90 40
MTZ320-201000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND THUNDERSTORMS. HIGHS 48 TO 58. LOWS 23 TO 37. SOUTHWEST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 48 TO 58. WEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS, SLIGHT CHANCE OF THUNDERSTORMS
AND SNOW IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. LOWS IN THE MID
30S. NORTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF RAIN AND
SNOW. HIGHS 46 TO 56. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 30 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 54 TO 64. LOWS
AROUND 40.
SATURDAY
WARMER, SUNNY. HIGHS 61 TO 71.
SATURDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS 64 TO 74.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 59 TO
67. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ321-201000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND THUNDERSTORMS. HIGHS IN THE UPPER 50S. LOWS 25 TO 35.
SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE MID
30S. NORTHWEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID
50S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
LOWS IN THE UPPER 30S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S.
SATURDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 70S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN
THE UPPER 60S. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ322-201000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 40 PERCENT CHANCE OF
RAIN AND SNOW. HIGHS 48 TO 58. LOWS 24 TO 36. WEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 48 TO
58. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 1 INCH. LOWS 31 TO 37. NORTHWEST WINDS UP
TO 15 MPH. GUSTS UP TO 30 MPH INCREASING TO 40 MPH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF SNOW AND RAIN IN
THE MORNING. HIGHS 48 TO 58. NORTH WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 35 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 38. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 55 TO 65. LOWS
36 TO 42.
SATURDAY
WARMER, SUNNY. HIGHS 61 TO 71.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS 39 TO
48. HIGHS 64 TO 74.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 38 TO 44.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 58 TO
68. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ323-201000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND
THUNDERSTORMS. HIGHS AROUND 60. LOWS 29 TO 40. SOUTH WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60.
SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE NORTHWEST WITH GUSTS
TO AROUND 25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN IN THE
MORNING. HIGHS AROUND 60. NORTH WINDS 5 TO 15 MPH. GUSTS UP TO
35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE UPPER 70S.
TUESDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
IN THE LOWER 70S.
MTZ324-201000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. HIGHS IN THE LOWER 60S. LOWS 27 TO 38. WEST WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.
WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AFTER MIDNIGHT. LOWS IN
THE UPPER 30S. NORTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND
25 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN AND SLIGHT CHANCE OF
SNOW IN THE MORNING. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MONDAY NIGHT
BREEZY. PARTLY CLOUDY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE LOWER 70S.
MTZ325-201000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. HIGHS IN THE UPPER 50S. LOWS 23 TO 37. SOUTH WINDS UP TO
10 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO THE WEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN IN THE EVENING, THEN RAIN AND SLIGHT
CHANCE OF SNOW AFTER MIDNIGHT. NO SNOW ACCUMULATION. LOWS IN THE
MID 30S. NORTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
PARTLY SUNNY. RAIN LIKELY AND SLIGHT CHANCE OF SNOW
IN THE MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS IN THE MID 50S. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH. CHANCE OF PRECIPITATION 60 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 60S.
LOWS AROUND 40.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT THROUGH MONDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS
IN THE MID 40S. HIGHS IN THE UPPER 70S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF PRECIPITATION
30 PERCENT.
MTZ326-201000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. HIGHS IN THE LOWER 60S. LOWS 26 TO 37. SOUTH WINDS UP TO
10 MPH.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE NORTHWEST IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN AFTER MIDNIGHT. LOWS IN
THE UPPER 30S. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
PARTLY SUNNY. RAIN LIKELY AND SLIGHT CHANCE OF SNOW
IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 30 MPH IN
THE MORNING. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
LOWS AROUND 40.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID
40S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE
OF PRECIPITATION 30 PERCENT.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 29 63 35 58 / 20 40 90 60
BOZEMAN MSU 31 61 36 56 / 20 40 100 70
MTZ330-201000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
NOT AS COOL. PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN AND SNOW. HIGHS 44 TO 54. LOWS 18 TO 33. SOUTHWEST
WINDS UP TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 45 TO
57. WEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING, THEN SNOW AND RAIN AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. SNOW LEVEL 7900 FEET.
LOWS 29 TO 35. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND
25 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF SNOW AND RAIN IN THE MORNING,
THEN CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW IN THE AFTERNOON.
HIGHS 42 TO 54. NORTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
40 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 28 TO 34. NORTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 50 TO 62. LOWS
33 TO 39.
SATURDAY
WARMER, SUNNY. HIGHS 58 TO 68.
SATURDAY NIGHT THROUGH MEMORIAL DAY
BREEZY. PARTLY CLOUDY.
LOWS 36 TO 45. HIGHS 61 TO 73.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS 37 TO 43.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 57 TO 67. CHANCE
OF PRECIPITATION 40 PERCENT.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 21 57 30 55 / 10 40 80 40
MTZ327-201000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND
SNOW. HIGHS 46 TO 56. LOWS 22 TO 32. WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SLIGHT CHANCE
OF THUNDERSTORMS AND SNOW IN THE AFTERNOON. HIGHS 46 TO 56. WEST
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. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SNOW
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
SNOW AND RAIN AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 10 TO 15 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT. GUSTS UP
TO 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF SNOW AND SLIGHT CHANCE OF
RAIN IN THE MORNING. HIGHS 48 TO 58. NORTH WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 53 TO 65. LOWS IN
THE MID 30S.
SATURDAY
SUNNY. HIGHS 59 TO 69.
SATURDAY NIGHT THROUGH MEMORIAL DAY
BREEZY. PARTLY CLOUDY.
LOWS IN THE UPPER 30S. HIGHS 61 TO 72.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN AND SNOW. LOWS IN THE MID 30S. HIGHS 55 TO 65.
MTZ328-201000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
WARMER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
RAIN. HIGHS 56 TO 62. LOWS 24 TO 37. WEST WINDS UP TO 10 MPH.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 57 TO 63.
SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE WEST 5 TO 15 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AND SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. LOWS IN
THE MID 30S. NORTH WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN AND SNOW IN
THE MORNING. HIGHS 55 TO 61. NORTH WINDS 5 TO 15 MPH. GUSTS UP TO
40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 63 TO 69. LOWS IN
THE UPPER 30S.
SATURDAY
SUNNY. HIGHS 69 TO 75.
SATURDAY NIGHT THROUGH MONDAY NIGHT
BREEZY. PARTLY CLOUDY.
LOWS IN THE MID 40S. HIGHS 73 TO 79.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 66 TO 72.
TEMPERATURE / PRECIPITATION
DILLON 30 62 35 60 / 20 20 70 40
MTZ329-201000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
1232 AM MDT TUE MAY 19 2026
REST OF TONIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND
SNOW. HIGHS 47 TO 55. LOWS 21 TO 33. WEST WINDS UP TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 50 TO 58. WEST
WINDS UP TO 5 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.
GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
RAIN AND SNOW LIKELY. SNOW ACCUMULATION UP TO
1 INCH. LOWS IN THE LOWER 30S. NORTH WINDS 5 TO 15 MPH WITH GUSTS
TO AROUND 35 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF SNOW AND RAIN IN
THE MORNING. HIGHS 48 TO 56. NORTH WINDS 10 TO 20 MPH. GUSTS UP
TO 50 MPH DECREASING TO 40 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS 55 TO 63. LOWS IN
THE MID 30S.
SATURDAY
SUNNY. HIGHS 63 TO 69.
SATURDAY NIGHT THROUGH MONDAY NIGHT
WINDY. PARTLY CLOUDY. LOWS
IN THE LOWER 40S. HIGHS 65 TO 73.
TUESDAY
BREEZY. MOSTLY SUNNY. HIGHS 60 TO 66.
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