678
FPUS55 KTFX 200902
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
302 AM MDT WED MAY 20 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND THURSDAY.
MTZ301-202200-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
302 AM MDT WED MAY 20 2026
TODAY
RAIN SHOWERS AND SNOW SHOWERS LIKELY THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 2 INCHES. SNOW LEVEL 6400 FEET. HIGHS 38 TO
48. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
70 PERCENT.
TONIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING. LOWS 27 TO 33. NORTH WINDS UP TO
10 MPH.
THURSDAY
NOT AS COOL. PARTLY SUNNY. HIGHS 47 TO 59. NORTHWEST
WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 33 TO 39. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 51 TO 63. WEST WINDS 5 TO 15 MPH.
FRIDAY NIGHT THROUGH SUNDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS
37 TO 48. HIGHS 55 TO 69.
MEMORIAL DAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO 67.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 38 TO 44.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY. HIGHS 49 TO
57. CHANCE OF PRECIPITATION 70 PERCENT.
MTZ307-202200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS
IN THE MORNING, THEN RAIN SHOWERS WITH POSSIBLE THUNDERSTORMS AND
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES.
SNOW LEVEL 7000 FEET. HIGHS 41 TO 51. WEST WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
TONIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING. LOWS 26 TO 32. NORTH WINDS UP TO
10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS 45 TO 55. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 29 TO 35. WEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. HIGHS 50 TO 62. WEST WINDS UP TO
10 MPH.
FRIDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO
46. HIGHS 54 TO 71.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 58 TO 70.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS 38 TO 44.
CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN AND SNOW IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 50 TO 60. CHANCE OF PRECIPITATION
70 PERCENT.
MTZ302-202200-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
302 AM MDT WED MAY 20 2026
TODAY
RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
50. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
TONIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN
THE EVENING. LOWS IN THE LOWER 30S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS 43 TO
49. HIGHS 70 TO 76.
MONDAY NIGHT AND TUESDAY
COOLER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S.
MTZ308-202200-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
302 AM MDT WED MAY 20 2026
TODAY
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER
50S. NORTHWEST WINDS UP TO 15 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE
MID 30S. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS UP TO
5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE MID 70S.
SATURDAY NIGHT THROUGH MEMORIAL DAY
PARTLY CLOUDY. LOWS AROUND
50. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN.
LOWS IN THE UPPER 40S.
TUESDAY
COOLER. PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION
60 PERCENT.
MTZ303-202200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING, THEN RAIN SHOWERS LIKELY LATE IN THE MORNING. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS UP TO
10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.
LOWS IN THE MID 40S.
TUESDAY
BREEZY, COOLER. PARTLY SUNNY WITH A 50 PERCENT CHANCE
OF RAIN. HIGHS IN THE UPPER 60S.
TEMPERATURE / PRECIPITATION
CUT BANK 54 33 62 / 70 20 10
MTZ304-202200-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID
50S. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY WITH
A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS UP TO
10 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE MID 70S.
SUNDAY
SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS AROUND 50.
HIGHS 77 TO 83.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.
LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
CHANCE OF RAIN 30 PERCENT.
MTZ305-202200-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND
EARLY AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS AROUND 50.
HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS IN THE UPPER 40S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE MID 70S.
TEMPERATURE / PRECIPITATION
HAVRE 61 34 65 / 50 10 20
MTZ306-202200-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
AROUND 60. NORTHWEST WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO
15 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 70. WEST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS AROUND 50.
HIGHS IN THE MID 80S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER
50S.
TUESDAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ309-202200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
302 AM MDT WED MAY 20 2026
TODAY
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 90 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
UP TO 5 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT AND MEMORIAL DAY
PARTLY CLOUDY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.
LOWS IN THE MID 40S.
TUESDAY
COOLER. PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF PRECIPITATION
50 PERCENT.
MTZ310-202200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 30S.
WEST WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS AROUND 50.
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 MID 70S. CHANCE OF PRECIPITATION
50 PERCENT.
MTZ311-202200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
MORNING. CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN
THE AFTERNOON. HIGHS 55 TO 61. NORTHWEST WINDS 5 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST WINDS
UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 57 TO 63. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
WARMER, SUNNY. HIGHS 66 TO 72. WEST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SATURDAY
SUNNY. HIGHS 72 TO 78.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
SUNDAY
SUNNY. HIGHS 77 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 85.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 78. CHANCE OF
PRECIPITATION 30 PERCENT.
MTZ312-202200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
302 AM MDT WED MAY 20 2026
TODAY
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS LATE IN THE MORNING. RAIN
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 50S. WEST WINDS 5 TO 10 MPH SHIFTING TO THE NORTH 5 TO
15 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS AROUND 60. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 50S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 50.
CHANCE OF PRECIPITATION 30 PERCENT.
TUESDAY
COOLER. PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF PRECIPITATION
50 PERCENT.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 56 36 60 / 90 60 20
MTZ313-202200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
MORNING. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. RAIN SHOWERS
LATE IN THE AFTERNOON. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
MEMORIAL DAY AND MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS AROUND 50.
TUESDAY
COOLER. PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF
PRECIPITATION 50 PERCENT.
MTZ314-202200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
MORNING. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO
62. WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN SHOWERS IN
THE EVENING. LOWS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 56 TO 62. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
WARMER, SUNNY. HIGHS 65 TO 71. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 78. CHANCE OF
PRECIPITATION 40 PERCENT.
TEMPERATURE / PRECIPITATION
LEWISTOWN 56 33 55 / 80 60 40
MTZ315-202200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS 47 TO 57.
WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS, SLIGHT CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS IN THE EVENING, THEN CHANCE OF
RAIN AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION
UP TO 1 INCH. LOWS IN THE LOWER 30S. NORTH WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. HIGHS 47 TO 57. NORTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
WARMER. MOSTLY SUNNY. HIGHS 56 TO 66. WEST WINDS UP TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
HIGHS 61 TO 71.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS 67 TO 75.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 75.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 30 PERCENT CHANCE OF RAIN. LOWS IN THE MID 40S.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 55 TO 63. CHANCE OF PRECIPITATION 60 PERCENT.
MTZ316-202200-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. RAIN
SHOWERS LATE IN THE AFTERNOON. HIGHS 51 TO 59. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON. CHANCE OF
PRECIPITATION 90 PERCENT.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTH WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS 53 TO 61. NORTH WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
WARMER. MOSTLY SUNNY. HIGHS 62 TO 70. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS 68 TO 76.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS 72 TO 80.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 50.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER
40S. CHANCE OF RAIN 30 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 62 TO 68. CHANCE OF PRECIPITATION 50 PERCENT.
MTZ317-202200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS
IN THE MORNING, THEN RAIN SHOWERS, CHANCE OF THUNDERSTORMS AND
SNOW SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
HIGHS 45 TO 53. WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
90 PERCENT.
TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW
SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. LOWS 29 TO 35. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW
SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS, SNOW SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 45 TO
53. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 29 TO 37. NORTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 55 TO 63. SOUTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 43.
SATURDAY
WARMER, SUNNY. HIGHS 62 TO 70.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 49.
SUNDAY
SUNNY. HIGHS 67 TO 73.
SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 44 TO 52.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 75.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS
44 TO 50. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
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 59 TO 65. CHANCE
OF PRECIPITATION 60 PERCENT.
MTZ318-202200-
SNOWY AND JUDITH MOUNTAINS-
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON. HIGHS 47 TO 55. NORTHWEST WINDS 5 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
CLOUDY. CHANCE OF RAIN SHOWERS AND SNOW SHOWERS IN THE
EVENING, THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 46 TO 54.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. SUNNY. HIGHS 56 TO 64. WEST WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SATURDAY
WARMER, SUNNY. HIGHS 63 TO 71.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 68 TO 76.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 40S.
MEMORIAL DAY
MOSTLY SUNNY. HIGHS 71 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 70. CHANCE OF
PRECIPITATION 40 PERCENT.
MTZ319-202200-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS EARLY IN THE
AFTERNOON. RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 70 PERCENT.
TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
UP TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS AROUND 80.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS IN THE MID 40S.
TUESDAY
COOLER. PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF PRECIPITATION
50 PERCENT.
TEMPERATURE / PRECIPITATION
HELENA 63 36 61 / 60 90 20
MTZ320-202200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON. HIGHS 46 TO 56. WEST WINDS 5 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
RAIN SHOWERS, SLIGHT CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS IN THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. LOWS IN THE LOWER
30S. NORTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 44 TO 54. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 53 TO 63. SOUTH WINDS
UP TO 10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO
25 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SATURDAY
WARMER, SUNNY. HIGHS 61 TO 71.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS 65 TO 75.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 40S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 77.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS IN THE UPPER 40S.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 59 TO 67. CHANCE OF PRECIPITATION
50 PERCENT.
MTZ321-202200-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 5 TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE LOWER 30S.
NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 70 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. NORTHWEST
WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SATURDAY
SUNNY. HIGHS AROUND 70.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE MID 70S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE MID 40S.
TUESDAY
COOLER. PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF
PRECIPITATION 50 PERCENT.
MTZ322-202200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS, SLIGHT CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS EARLY IN THE AFTERNOON. CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS LATE IN THE AFTERNOON. HIGHS 47 TO
57. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS WITH POSSIBLE SNOW SHOWERS
AND THUNDERSTORMS LIKELY IN THE EVENING, THEN CHANCE OF SNOW AND
RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. SNOW LEVEL
6700 FEET. LOWS 29 TO 35. NORTH WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 35 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 45 TO 55. NORTH WINDS 5 TO 15 MPH. GUSTS UP TO
40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 30 TO 36. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 54 TO 64. SOUTHWEST
WINDS UP TO 10 MPH.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO
46. HIGHS 61 TO 71.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 66 TO 76.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 48.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 77.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS 41 TO 47.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 57 TO 65. CHANCE OF PRECIPITATION
50 PERCENT.
MTZ323-202200-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH. CHANCE OF PRECIPITATION 90 PERCENT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
5 TO 20 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 40S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.
LOWS IN THE UPPER 40S.
TUESDAY
COOLER. 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 UPPER 60S. CHANCE OF
PRECIPITATION 50 PERCENT.
MTZ324-202200-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON. HIGHS AROUND 60. WEST WINDS UP TO 10 MPH.
TONIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE UPPER
50S. NORTH WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH IN THE MORNING.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
TUESDAY
COOLER. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF
PRECIPITATION 50 PERCENT.
MTZ325-202200-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN
THE AFTERNOON. CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. SOUTH WINDS UP TO 10 MPH SHIFTING TO THE
WEST IN THE AFTERNOON. CHANCE OF THUNDERSTORMS 50 PERCENT.
TONIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN WITH SNOW LIKELY AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. LOWS IN THE MID 30S. NORTH WINDS 5 TO 15 MPH.
GUSTS UP TO 35 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
BREEZY. CLOUDY WITH RAIN AND SNOW LIKELY IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. LITTLE OR NO SNOW
ACCUMULATION. HIGHS IN THE LOWER 50S. NORTH WINDS 10 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHEAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
FRIDAY
WARMER. MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE UPPER 40S.
MEMORIAL DAY
WINDY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80.
MONDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 40S.
TUESDAY
BREEZY, COOLER. 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 UPPER 60S. CHANCE OF
PRECIPITATION 40 PERCENT.
MTZ326-202200-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON. HIGHS AROUND 60. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
TONIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE MID 30S.
NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION NEAR 100 PERCENT.
THURSDAY
CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN PARTLY SUNNY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. NORTH
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND 20 MPH IN
THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
40S.
MEMORIAL DAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 80S. LOWS IN THE UPPER 40S.
TUESDAY
COOLER. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE
LOWER 70S. CHANCE OF PRECIPITATION 50 PERCENT.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 61 33 56 / 30 90 50
BOZEMAN MSU 60 35 54 / 30 90 70
MTZ330-202200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS EARLY IN THE AFTERNOON. CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS LATE IN THE AFTERNOON. HIGHS 45 TO 55. WEST WINDS UP TO
15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TONIGHT
RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SNOW AND RAIN AFTER MIDNIGHT.
SNOW ACCUMULATION UP TO 4 INCHES. SNOW LEVEL 7500 FEET. LOWS
27 TO 33. NORTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH INCREASING
TO 35 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING,
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 39 TO 49. NORTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 25 TO 31. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 35 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 49 TO 61. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 38.
SATURDAY
WARMER, SUNNY. HIGHS 56 TO 68.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 37 TO 43.
SUNDAY
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 73.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS 39 TO 47.
MEMORIAL DAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 75.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 46.
TUESDAY
BREEZY. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 57 TO 65. CHANCE OF
PRECIPITATION 50 PERCENT.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 56 28 51 / 20 90 40
MTZ327-202200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON. HIGHS 46 TO 56. WEST WINDS UP TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY WITH POSSIBLE
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SNOW AND
RAIN AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL
7200 FEET. LOWS AROUND 30. NORTHWEST WINDS UP TO 15 MPH WITH
GUSTS TO AROUND 35 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY
MOSTLY SUNNY. HIGHS 46 TO 56. NORTH WINDS 5 TO
15 MPH. GUSTS UP TO 45 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTH WINDS 5 TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 53 TO 63. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS 58 TO 70.
SUNDAY
SUNNY. HIGHS 64 TO 74.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
MEMORIAL DAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 73.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE UPPER 30S.
TUESDAY
PARTLY SUNNY. CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 53 TO 61. CHANCE OF
PRECIPITATION 50 PERCENT.
MTZ328-202200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
302 AM MDT WED MAY 20 2026
TODAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON. HIGHS 56 TO 62. WEST WINDS UP TO 15 MPH.
TONIGHT
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN RAIN LIKELY AND CHANCE OF SNOW AFTER MIDNIGHT. SNOW
ACCUMULATION UP TO 1 INCH. LOWS IN THE MID 30S. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 35 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
THURSDAY
BREEZY. PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN AND
SNOW IN THE MORNING. HIGHS 53 TO 59. NORTH WINDS 10 TO 25 MPH
WITH GUSTS TO AROUND 45 MPH DECREASING TO 10 TO 15 MPH WITH GUSTS
TO AROUND 35 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHEAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
FRIDAY
WARMER. MOSTLY SUNNY. HIGHS 62 TO 68. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SATURDAY
WARMER, SUNNY. HIGHS 70 TO 76.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 74 TO 80.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE MID 40S.
MEMORIAL DAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 81.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
TUESDAY
BREEZY. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 70. CHANCE OF
PRECIPITATION 50 PERCENT.
TEMPERATURE / PRECIPITATION
DILLON 61 33 58 / 20 80 30
MTZ329-202200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
302 AM MDT WED MAY 20 2026
TODAY
MOSTLY CLOUDY UNTIL LATE AFTERNOON, THEN A 20 PERCENT
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS 49 TO 57.
WEST WINDS UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH INCREASING TO
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.
TONIGHT
RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AND CHANCE OF SNOW
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. SNOW LEVEL
7600 FEET. LOWS IN THE LOWER 30S. NORTHWEST WINDS 5 TO 15 MPH.
GUSTS UP TO 30 MPH INCREASING TO 40 MPH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
THURSDAY
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW SHOWERS IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON.
HIGHS 45 TO 53. NORTH WINDS 10 TO 25 MPH WITH GUSTS TO AROUND
50 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 30. NORTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH BECOMING SOUTHEAST UP TO 5 MPH
AFTER MIDNIGHT.
FRIDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 54 TO 62. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
SATURDAY
WARMER, SUNNY. HIGHS 61 TO 69.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 66 TO 74.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 40S.
MEMORIAL DAY
WINDY, SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 75.
MONDAY NIGHT
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 40S.
TUESDAY
WINDY. MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 58 TO 64. CHANCE OF
PRECIPITATION 40 PERCENT.
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