663
FPUS55 KTFX 212036
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 PM MST WED JAN 21 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, THURSDAY, THURSDAY NIGHT, AND FRIDAY.
MTZ301-221100-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 4. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 9. NORTHEAST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN
THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND
6 BELOW. EAST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
CHANCE OF SNOW 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 5 TO 11. NORTHEAST WINDS UP TO 10 MPH SHIFTING TO
THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE AROUND 2. WEST WINDS UP TO
15 MPH.
SATURDAY
NOT AS COLD. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF
SNOW. HIGHS 11 TO 19.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. NEAR STEADY
TEMPERATURE AROUND 7.
SUNDAY
MOSTLY SUNNY. HIGHS 15 TO 25.
SUNDAY NIGHT
BREEZY. MOSTLY CLEAR. NEAR STEADY TEMPERATURE
AROUND 13.
MONDAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN
THE AFTERNOON. HIGHS 20 TO 30.
MONDAY NIGHT
BREEZY. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. NEAR STEADY
TEMPERATURE AROUND 20.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 23 TO 33.
TUESDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
LOWER 20S.
WEDNESDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
28 TO 38.
MTZ307-221100-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 5. WEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 9 TO 15. NORTHEAST WINDS UP TO 15 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. LOWS AROUND 6 BELOW. EAST WINDS 5 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH.
FRIDAY
MOSTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 4 TO 10. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE NORTH IN THE AFTERNOON. GUSTS
UP TO 25 MPH. CHANCE OF SNOW 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE AROUND 1. WEST WINDS UP TO
10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS 13 TO 21. LOWS 2 TO 8.
SUNDAY
MOSTLY SUNNY. HIGHS 18 TO 26.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 7 TO 15.
MONDAY
NOT AS COLD. MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW
IN THE AFTERNOON. HIGHS 23 TO 33.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS 15 TO 21.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS 26 TO 34. LOWS 17 TO 23.
WEDNESDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
31 TO 39.
MTZ302-221100-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. PARTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS AROUND 5. NORTH WINDS UP TO 10 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 12. NORTHEAST
WINDS UP TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 7 BELOW. EAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 8. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS NEAR ZERO. SOUTHWEST WINDS UP TO 10 MPH.
SATURDAY
NOT AS COLD. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW IN THE MORNING. HIGHS AROUND 19.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 8.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
SUNDAY NIGHT
BREEZY. MOSTLY CLEAR. NEAR STEADY TEMPERATURE
AROUND 19.
MONDAY THROUGH TUESDAY NIGHT
BREEZY. PARTLY CLOUDY. HIGHS IN
THE MID 30S. LOWS IN THE LOWER 20S.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S.
MTZ308-221100-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. PARTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS AROUND 9. NORTHEAST WINDS UP TO
5 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 16. NORTHEAST
WINDS UP TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN
THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND
4 BELOW. NORTHEAST WINDS 5 TO 15 MPH. CHANCE OF SNOW 40 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS AROUND 8.
NORTHEAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS NEAR ZERO. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE
WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. HIGHS IN THE LOWER 20S. LOWS AROUND
11.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 30.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS IN THE LOWER 40S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS IN THE LOWER 40S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 40S.
MTZ303-221100-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 4. NORTH WINDS UP TO 10 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 12. NORTHEAST
WINDS UP TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 9 BELOW. NORTHEAST WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 7. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 2 BELOW. SOUTHWEST WINDS UP TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. HIGHS
AROUND 20. LOWS AROUND 4.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 11.
MONDAY THROUGH TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
30S. LOWS AROUND 18.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S.
TEMPERATURE / PRECIPITATION
CUT BANK 4 13 -9 7 / 0 10 10 0
MTZ304-221100-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 5. NORTHWEST WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 30 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS 8 TO 14. NORTH WINDS UP
TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 11 BELOW. NORTHEAST WINDS UP TO
15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 6. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 3 BELOW. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. HIGHS AROUND 18. LOWS NEAR ZERO.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER 20S.
LOWS AROUND 7.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS IN THE LOWER 30S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 15.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS IN THE MID 30S.
LOWS AROUND 14.
MTZ305-221100-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
135 PM MST WED JAN 21 2026
...EXTREME COLD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 3. NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 9. NORTH WINDS
5 TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. LOWS AROUND 15 BELOW. NORTHEAST WINDS
5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 3. EAST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 7 BELOW. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY. HIGHS AROUND 17. LOWS
1 BELOW TO 7 BELOW ZERO.
SUNDAY NIGHT AND MONDAY
NOT AS COLD. PARTLY CLOUDY. LOWS
AROUND 4. HIGHS IN THE LOWER 30S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 12. HIGHS
IN THE LOWER 30S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 12.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
TEMPERATURE / PRECIPITATION
HAVRE 4 9 -15 1 / 0 0 10 0
MTZ306-221100-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
135 PM MST WED JAN 21 2026
...EXTREME COLD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...
TONIGHT
COLDER. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS NEAR ZERO. NORTHWEST WINDS 10 TO 20 MPH.
THURSDAY
COLDER. PARTLY SUNNY. HIGHS AROUND 5. NORTH WINDS
10 TO 15 MPH.
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 20 BELOW.
NORTHEAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 1 BELOW. SOUTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 12 BELOW. SOUTH WINDS UP TO 5 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. HIGHS
AROUND 11. LOWS AROUND 10 BELOW.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 13. LOWS
NEAR ZERO.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS AROUND 9.
HIGHS AROUND 30.
MTZ309-221100-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. PARTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS AROUND 9. NORTH WINDS UP TO 10 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 16. NORTHEAST
WINDS UP TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 7 BELOW. NORTHEAST WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 8. EAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 2 BELOW. SOUTHWEST WINDS UP TO 5 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. HIGHS
IN THE LOWER 20S. LOWS AROUND 6.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 11.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS AROUND 40.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 20.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 40. LOWS
AROUND 19.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S.
MTZ310-221100-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 8. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 15. NORTH WINDS
UP TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 9 BELOW. NORTHEAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 6. EAST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 3 BELOW. SOUTHWEST WINDS UP TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. HIGHS AROUND 20. LOWS AROUND 3.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS 20 TO 26. LOWS
5 TO 11.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS IN THE MID 30S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS 14 TO 20. HIGHS
IN THE MID 30S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS 13 TO 19.
HIGHS AROUND 40.
MTZ311-221100-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
135 PM MST WED JAN 21 2026
...EXTREME COLD WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...
TONIGHT
COLDER. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 1 TO 7. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS 6 TO 12. NORTH WINDS
5 TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS
10 BELOW TO 16 BELOW ZERO. EAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 2. SOUTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE AROUND 2 BELOW. SOUTHWEST WINDS
UP TO 5 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. A
20 PERCENT CHANCE OF SNOW. HIGHS AROUND 14. LOWS AROUND 1 BELOW.
SUNDAY AND SUNDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 18. LOWS
AROUND 7.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS IN THE LOWER 30S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 16. HIGHS
IN THE LOWER 30S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 16.
HIGHS IN THE MID 30S.
MTZ312-221100-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. MOSTLY CLOUDY. LOWS AROUND 9. NORTHEAST WINDS
UP TO 5 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 17. NORTHEAST
WINDS UP TO 15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 5 BELOW. NORTHEAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS AROUND 8.
NORTH WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 2 BELOW. SOUTH WINDS UP TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. HIGHS IN THE LOWER 20S. LOWS AROUND 9.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 15.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS AROUND 40.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.
HIGHS AROUND 40.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE MID 40S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 9 18 -5 8 / 0 10 20 10
MTZ313-221100-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. PARTLY CLOUDY EARLY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS AROUND 5. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 15. NORTH WINDS
UP TO 15 MPH.
THURSDAY NIGHT
COLDER, CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 6 BELOW.
NORTHEAST WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS AROUND 6. EAST
WINDS UP TO 10 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 5 BELOW. WEST WINDS UP TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. HIGHS AROUND 20. LOWS AROUND 5.
SUNDAY
PARTLY SUNNY. HIGHS IN THE MID 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 11.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS AROUND 40.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 20. HIGHS
IN THE UPPER 30S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 20.
HIGHS IN THE MID 40S.
MTZ314-221100-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
135 PM MST WED JAN 21 2026
TONIGHT
COLDER. MOSTLY CLOUDY. LOWS AROUND 8. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
COLDER. MOSTLY CLOUDY. HIGHS AROUND 14. NORTH WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 9 BELOW. NORTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS AROUND 5. EAST WINDS UP TO 10 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE NEAR ZERO. SOUTHWEST WINDS UP TO
10 MPH.
SATURDAY
NOT AS COLD. MOSTLY CLOUDY. HIGHS AROUND 18.
SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE EVENING. LOWS AROUND 2.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S.
SUNDAY NIGHT AND MONDAY
NOT AS COOL. PARTLY CLOUDY. LOWS
AROUND 7. HIGHS IN THE UPPER 30S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 18. HIGHS
IN THE MID 30S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 18.
HIGHS IN THE UPPER 30S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 5 13 -8 5 / 0 10 40 20
MTZ315-221100-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY LATE IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. LOWS AROUND 8. WEST WINDS UP
TO 5 MPH SHIFTING TO THE NORTHEAST WITH GUSTS TO AROUND 20 MPH
AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 12 TO 18. NORTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 2 BELOW. NORTHEAST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 6 TO 12. NORTHEAST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF SNOW
30 PERCENT.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE AROUND 3. SOUTHWEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS 15 TO 21. LOWS AROUND 8.
SUNDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 19 TO
27.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 13.
MONDAY
NOT AS COLD. MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW
IN THE AFTERNOON. HIGHS 26 TO 34.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. LOWS AROUND 19. HIGHS 28 TO 36.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
WEDNESDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 32 TO 40.
MTZ316-221100-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY. LOWS AROUND 10. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE NORTH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS 14 TO 20. NORTHEAST WINDS UP TO
15 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 1 BELOW. NORTHEAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 6 TO 12. NORTH
WINDS UP TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE AROUND 4. SOUTH WINDS UP TO
10 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. A
20 PERCENT CHANCE OF SNOW. HIGHS 19 TO 25. LOWS AROUND 10.
SUNDAY
MOSTLY SUNNY. HIGHS 24 TO 30.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS 33 TO 39.
MONDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS IN THE LOWER 20S.
TUESDAY
PARTLY SUNNY. HIGHS 34 TO 40.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S.
WEDNESDAY
PARTLY SUNNY. HIGHS 38 TO 44.
MTZ317-221100-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 5. NORTHWEST WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS 9 TO 15. NORTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 5 BELOW. NORTHEAST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN
MOSTLY SUNNY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS
AROUND 4. NORTH WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 4 BELOW. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. A
40 PERCENT CHANCE OF SNOW. HIGHS 12 TO 18. LOWS 3 TO 9.
SUNDAY
MOSTLY SUNNY. HIGHS 18 TO 24.
SUNDAY NIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE AROUND 14.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS 27 TO 35.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. LOWS 16 TO 22. HIGHS 28 TO 36.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS 17 TO 23.
HIGHS 33 TO 41.
MTZ318-221100-
SNOWY AND JUDITH MOUNTAINS-
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 5. NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
THURSDAY
MOSTLY CLOUDY. HIGHS 7 TO 13. NORTHWEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 9 BELOW. NORTHEAST WINDS 5 TO 15 MPH
SHIFTING TO THE EAST 5 TO 10 MPH AFTER MIDNIGHT. GUSTS UP TO
30 MPH.
FRIDAY
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 3. SOUTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
GUSTS UP TO 25 MPH. CHANCE OF SNOW 50 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 5 BELOW. WEST WINDS UP
TO 10 MPH.
SATURDAY
NOT AS COLD. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF
SNOW. HIGHS 11 TO 17.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 3. CHANCE
OF SNOW 40 PERCENT.
SUNDAY
PARTLY SUNNY. HIGHS 16 TO 22.
SUNDAY NIGHT AND MONDAY
NOT AS COLD. PARTLY CLOUDY. LOWS
AROUND 8. HIGHS 30 TO 38.
MONDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. LOWS AROUND 19.
TUESDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 30 TO 36.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 19.
HIGHS 35 TO 41.
MTZ319-221100-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 11. LIGHT WINDS BECOMING NORTHWEST UP TO
5 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. NORTH WINDS UP
TO 10 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 1. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS AROUND 13.
NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 2 BELOW. NORTHWEST WINDS UP TO 5 MPH SHIFTING
TO THE SOUTH AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. HIGHS
IN THE MID 20S. LOWS AROUND 9.
SUNDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS AROUND
30.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 12.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 40S.
TEMPERATURE / PRECIPITATION
HELENA 11 22 1 12 / 0 0 10 10
MTZ320-221100-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 8. WEST WINDS UP TO 5 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 14 TO 22. NORTH WINDS UP TO
10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN
THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 3 BELOW TO
3 ABOVE ZERO. NORTHEAST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH. CHANCE OF SNOW 40 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 4 TO 12.
NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE NORTHWEST IN THE
AFTERNOON. GUSTS UP TO 25 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1 BELOW. WEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS 12 TO 18. LOWS AROUND 8.
SUNDAY
MOSTLY SUNNY. HIGHS 17 TO 25.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 11.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS 25 TO 33.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. LOWS AROUND 19. HIGHS 28 TO 36.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 20.
HIGHS 32 TO 40.
MTZ321-221100-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 7. WEST WINDS UP TO 5 MPH WITH GUSTS TO
AROUND 20 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 19. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 1 BELOW.
NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF SNOW 50 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS AROUND 10.
NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST IN THE
AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. WEST WINDS UP
TO 10 MPH. GUSTS UP TO 20 MPH AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS AROUND 19. LOWS AROUND 6.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 10.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 19.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 19.
HIGHS AROUND 40.
MTZ322-221100-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 9. NORTHWEST WINDS UP TO 5 MPH. GUSTS UP TO
20 MPH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS 16 TO 22. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS 3 BELOW TO 3 ABOVE ZERO. NORTH WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 7 TO 13. NORTH
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1 BELOW. WEST WINDS UP
TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. HIGHS 15 TO 23.
LOWS 5 TO 11.
SUNDAY
MOSTLY SUNNY. HIGHS 21 TO 29.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 12.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS 28 TO 36.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS 16 TO 22.
HIGHS 30 TO 42.
MTZ323-221100-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 11. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE NORTH AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S. NORTH WINDS UP
TO 15 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS AROUND 6. NORTH WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS AROUND 14.
NORTH WINDS 5 TO 15 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 1. NORTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
20S. LOWS AROUND 10.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 12.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 40S.
MTZ324-221100-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 10. WEST WINDS UP TO 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S. NORTHEAST WINDS
UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 5. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS AROUND 14. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2 BELOW. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S.
SATURDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. LOWS AROUND 9.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 12.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 40S.
MTZ325-221100-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
AROUND 11. SOUTH WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. NORTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 5. NORTH WINDS UP TO
10 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY SUNNY. HIGHS AROUND 14. NORTH WINDS UP TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 1 BELOW. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 20S.
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 9.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 30.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 13.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS 17 TO 23. HIGHS
IN THE UPPER 30S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE LOWER 40S.
MTZ326-221100-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
AROUND 8. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
UP TO 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 2. NORTHEAST WINDS
UP TO 5 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS AROUND 12. EAST WINDS UP TO 5 MPH SHIFTING TO
THE NORTH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 3 BELOW. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE LOWER
20S. LOWS AROUND 8.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 11.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY. LOWS AROUND 20.
HIGHS IN THE LOWER 40S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 6 24 13 / 0 0 10 10
BOZEMAN MSU 9 24 12 / 0 0 10 20
MTZ330-221100-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS 3 TO
11. WEST WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS 19 TO 25. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 1. NORTH WINDS UP TO
10 MPH.
FRIDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
6 TO 14. NORTH WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE
AFTERNOON.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 1 BELOW TO 7 BELOW ZERO.
NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 11 TO 19.
LOWS 1 BELOW TO 7 ABOVE ZERO.
SUNDAY
MOSTLY SUNNY. HIGHS 15 TO 25.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 1 TO 11.
MONDAY
NOT AS COLD. MOSTLY SUNNY. HIGHS 19 TO 31.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 8 TO 18.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS 24 TO 37. LOWS
9 TO 19.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE -6 24 -6 18 / 0 0 0 20
MTZ327-221100-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
135 PM MST WED JAN 21 2026
TONIGHT
PARTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING MOSTLY
CLOUDY. LOWS 4 TO 12. WEST WINDS UP TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S. WEST WINDS UP TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 2. NORTH WINDS UP TO
10 MPH SHIFTING TO THE EAST WITH GUSTS TO AROUND 20 MPH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 11 TO 17. NORTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS 6 BELOW TO ZERO. WEST WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
SATURDAY
SUNNY. HIGHS 15 TO 21.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 1 TO 7.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 19 TO 27. LOWS
5 TO 11.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 24 TO 35. LOWS
11 TO 17.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 13 TO 19.
WEDNESDAY
MOSTLY SUNNY. HIGHS 32 TO 38.
MTZ328-221100-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE LATE
EVENING AND EARLY MORNING THEN BECOMING MOSTLY CLOUDY. LOWS
AROUND 11. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 20S. NORTH WINDS UP
TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 6. NORTHEAST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY
COLDER. PARTLY SUNNY. HIGHS AROUND 16. NORTHEAST WINDS
UP TO 15 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 1. NORTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS 21 TO 27.
LOWS AROUND 8.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 27 TO 33. LOWS
AROUND 11.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. HIGHS 32 TO 42. LOWS
AROUND 17.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 19.
WEDNESDAY
MOSTLY SUNNY. HIGHS 39 TO 45.
TEMPERATURE / PRECIPITATION
DILLON 12 28 6 18 / 0 0 0 0
MTZ329-221100-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
135 PM MST WED JAN 21 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 11. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 20S. NORTHWEST WINDS
UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 5. NORTH WINDS UP TO
10 MPH.
FRIDAY
COLDER. MOSTLY SUNNY. HIGHS AROUND 14. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY NIGHT
MOSTLY CLEAR. LOWS NEAR ZERO. NORTH WINDS 5 TO
15 MPH SHIFTING TO THE WEST 5 TO 10 MPH AFTER MIDNIGHT. GUSTS UP
TO 30 MPH.
SATURDAY
SUNNY. HIGHS 16 TO 22.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 3 TO 9.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLEAR. HIGHS 20 TO 26. LOWS
5 TO 11.
MONDAY AND MONDAY NIGHT
PARTLY CLOUDY. HIGHS 23 TO 31. LOWS
11 TO 17.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS 29 TO 39. LOWS
13 TO 19.
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