380
FPUS55 KTFX 190444
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
943 PM MST SUN JAN 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR THE REST OF TONIGHT, MARTIN LUTHER KING JR DAY, MONDAY
NIGHT, AND TUESDAY.
MTZ301-191100-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE AROUND
18. WEST WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
BREEZY. MOSTLY SUNNY. HIGHS 23 TO
33. WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
INCREASING TO 10 TO 25 MPH WITH GUSTS TO AROUND 40 MPH IN THE
AFTERNOON.
MONDAY NIGHT
BREEZY. MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN
THE LOWER 20S. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
45 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 23 TO 33. WEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
COLDER. MOSTLY CLEAR IN THE EVENING, THEN MOSTLY
CLOUDY WITH A 20 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 9 TO
15. WEST WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST 5 TO 15 MPH
AFTER MIDNIGHT. GUSTS UP TO 30 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 21 TO 29.
LOWS 13 TO 19.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 20 TO 28.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 6. HIGHS 11 TO 17.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 2. HIGHS 8 TO 14.
SUNDAY
NOT AS COLD. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF
SNOW. HIGHS 15 TO 23.
MTZ307-191100-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE AROUND
17. WEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 25 TO 35. WEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE IN THE LOWER 20S. WEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 45 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN
MOSTLY SUNNY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS
24 TO 32. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
COLDER. MOSTLY CLEAR. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS 9 TO 15. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 21 TO 29.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 13 TO 19.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 23 TO 31.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 8. HIGHS 12 TO 20.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS 1 TO 7. HIGHS 10 TO 18.
SUNDAY
NOT AS COLD. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF
SNOW. HIGHS 19 TO 27.
MTZ302-191100-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND
19. SOUTHWEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH AFTER
MIDNIGHT.
MARTIN LUTHER KING JR DAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE
UPPER 30S. WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
INCREASING TO 10 TO 25 MPH WITH GUSTS TO AROUND 40 MPH IN THE
AFTERNOON.
MONDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE MID
30S. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 16. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 19.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 30.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 7.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS AROUND 17. LOWS AROUND 1.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 4. HIGHS IN THE LOWER 20S.
MTZ308-191100-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 20. SOUTHEAST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS 5 TO 15 MPH.
GUSTS UP TO 35 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. WEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 45 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE UPPER
30S. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY NIGHT
COLDER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 18. WEST WINDS 5 TO 10 MPH
SHIFTING TO THE NORTHWEST 5 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO
30 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
30S. LOWS IN THE LOWER 20S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN
THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 10.
CHANCE OF SNOW 40 PERCENT.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS IN THE LOWER 20S. LOWS AROUND 3.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 6. CHANCE
OF SNOW 40 PERCENT.
SUNDAY
NOT AS COLD. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF
SNOW. HIGHS 27 TO 33.
MTZ303-191100-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS AROUND 15. WEST WINDS UP TO 10 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER
40S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW
IN THE MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE
LOWER 30S. NORTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 45 MPH
DECREASING TO 35 MPH IN THE AFTERNOON.
TUESDAY NIGHT
COLDER. MOSTLY CLEAR IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS 5 TO
15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 15.
HIGHS IN THE UPPER 20S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 5. HIGHS AROUND 17.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. LOWS AROUND 2 BELOW. HIGHS AROUND 14.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 19.
TEMPERATURE / PRECIPITATION
CUT BANK 14 41 24 34 / 0 0 0 10
MTZ304-191100-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 14. WEST WINDS UP
TO 10 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS
5 TO 15 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT.
TUESDAY
BREEZY. PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 50 MPH.
TUESDAY NIGHT
COLDER. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. LOWS AROUND 12. NORTHWEST WINDS 5 TO
15 MPH. GUSTS UP TO 30 MPH INCREASING TO 45 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 12.
HIGHS IN THE MID 20S.
THURSDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS AROUND 4.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE
OF SNOW. HIGHS AROUND 14. LOWS AROUND 4 BELOW.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 3 BELOW. HIGHS AROUND 17.
MTZ305-191100-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
COLDER. PARTLY CLOUDY. NEAR STEADY TEMPERATURE
AROUND 14. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE WEST
AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST WINDS UP
TO 15 MPH.
TUESDAY
BREEZY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS AROUND 30. NORTHWEST WINDS 15 TO 25 MPH.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS AROUND 12. NORTHWEST
WINDS 10 TO 15 MPH INCREASING TO 10 TO 25 MPH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 10.
HIGHS IN THE LOWER 20S.
THURSDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS AROUND 2.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE
OF SNOW. HIGHS AROUND 12. LOWS AROUND 6 BELOW.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 4 BELOW. HIGHS AROUND 15.
TEMPERATURE / PRECIPITATION
HAVRE 12 33 21 32 / 0 0 10 20
MTZ306-191100-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
COLDER. PARTLY CLOUDY. NEAR STEADY TEMPERATURE
AROUND 8. NORTHWEST WINDS 5 TO 10 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. HIGHS IN THE UPPER 20S. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY NIGHT
NOT AS COLD. CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. NEAR STEADY TEMPERATURE IN THE LOWER 20S.
SOUTHWEST WINDS UP TO 10 MPH.
TUESDAY
BREEZY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS IN THE UPPER 20S. NORTHWEST WINDS 15 TO
25 MPH. GUSTS UP TO 40 MPH IN THE AFTERNOON.
TUESDAY NIGHT
WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 10. NORTHWEST WINDS 15 TO
30 MPH.
WEDNESDAY
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 7.
HIGHS AROUND 20.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. LOWS AROUND 3 BELOW.
FRIDAY THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. HIGHS AROUND 9. LOWS AROUND 8 BELOW.
SUNDAY
PARTLY SUNNY. HIGHS AROUND 12.
MTZ309-191100-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
COLDER. MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS AROUND 16. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE MID
30S. NORTHWEST WINDS 10 TO 20 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 16. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 16.
HIGHS IN THE LOWER 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS AROUND 6.
FRIDAY AND FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. A 30 PERCENT
CHANCE OF SNOW. HIGHS AROUND 19. LOWS AROUND 1 BELOW.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS AROUND 18. LOWS NEAR ZERO.
SUNDAY
PARTLY SUNNY. HIGHS IN THE LOWER 20S.
MTZ310-191100-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS AROUND 17. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
MOSTLY CLOUDY. HIGHS AROUND 40. WEST WINDS 5 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
BREEZY. CLOUDY WITH A 50 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN PARTLY SUNNY IN THE AFTERNOON. HIGHS IN THE MID
30S. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LIGHT SNOW ACCUMULATIONS. LOWS AROUND 16.
NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS
AROUND 30.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 15.
HIGHS AROUND 30.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. LOWS AROUND 6. HIGHS AROUND 19.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SNOW. LOWS AROUND 1 BELOW. HIGHS AROUND 16.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 1. HIGHS AROUND 20.
MTZ311-191100-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
COLDER. PARTLY CLOUDY. NEAR STEADY TEMPERATURE
AROUND 15. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND
25 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 5 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
UPPER 20S. WEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH AFTER
MIDNIGHT.
TUESDAY
BREEZY. MOSTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 45 MPH.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS AROUND 14. NORTHWEST
WINDS 10 TO 25 MPH. GUSTS UP TO 35 MPH INCREASING TO 45 MPH AFTER
MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 14.
HIGHS IN THE MID 20S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 5.
FRIDAY AND FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. HIGHS AROUND 15. LOWS AROUND 3 BELOW.
SATURDAY
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 12. CHANCE
OF SNOW 30 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS NEAR ZERO. HIGHS AROUND 18.
MTZ312-191100-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS AROUND 19. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE MID
30S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LIGHT SNOW ACCUMULATIONS. LOWS AROUND 18. SOUTHWEST WINDS
5 TO 10 MPH SHIFTING TO THE NORTHWEST 5 TO 15 MPH AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LIGHT SNOW
ACCUMULATIONS. HIGHS IN THE LOWER 30S. LOWS AROUND 20.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 10.
FRIDAY AND FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. HIGHS IN THE LOWER 20S. LOWS AROUND 4.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. HIGHS AROUND 20. LOWS 4 TO 10.
SUNDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS IN THE UPPER 20S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 18 43 27 37 / 0 0 0 40
MTZ313-191100-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. NEAR STEADY TEMPERATURE IN THE LOWER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS 10 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
LOWER 30S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE MID
30S. NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 50 MPH.
CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY
WITH A 20 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 16.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 17.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. LOWS AROUND 8. HIGHS IN THE LOWER 20S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SNOW. LOWS AROUND 2. HIGHS AROUND 20.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 5. HIGHS AROUND 30.
MTZ314-191100-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
COLDER. MOSTLY CLOUDY LATE IN THE EVENING THEN
BECOMING PARTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND 19. WEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. WEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND 30.
WEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.
TUESDAY
WINDY. MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SNOW IN
THE MORNING. NEAR STEADY TEMPERATURE IN THE LOWER 30S. NORTHWEST
WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 55 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LIGHT SNOW ACCUMULATIONS. LOWS AROUND 17.
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.
WEDNESDAY
BREEZY. PARTLY SUNNY IN THE MORNING THEN CLEARING.
HIGHS IN THE UPPER 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 16.
HIGHS IN THE LOWER 30S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 7.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. HIGHS AROUND 19. LOWS NEAR ZERO.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 3. HIGHS 21 TO 27.
TEMPERATURE / PRECIPITATION
LEWISTOWN 15 40 22 33 / 0 0 0 40
MTZ315-191100-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 17. WEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 27 TO 35. WEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE IN THE MID 20S. WEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 26 TO 34. NORTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF SNOW
50 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS AROUND 15. WEST WINDS UP TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 24 TO 30.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18.
THURSDAY
PARTLY SUNNY. HIGHS 26 TO 34.
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 12.
CHANCE OF SNOW 40 PERCENT.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS 14 TO 23. LOWS AROUND 6.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SNOW. LOWS AROUND 9. HIGHS 23 TO 31.
MTZ316-191100-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 20. NORTHEAST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND 20 MPH
AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 34 TO 40.
SOUTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND 30.
SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN
MOSTLY SUNNY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS
31 TO 37. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH. CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS AROUND 18. SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO
THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. LIGHT SNOW
ACCUMULATIONS. HIGHS 27 TO 33. LOWS IN THE LOWER 20S.
THURSDAY
PARTLY SUNNY. HIGHS 30 TO 36.
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 13.
CHANCE OF SNOW 40 PERCENT.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS 16 TO 25. LOWS AROUND 6.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. NEAR STEADY
TEMPERATURE AROUND 13. CHANCE OF SNOW 40 PERCENT.
SUNDAY
NOT AS COLD. PARTLY SUNNY WITH A 20 PERCENT CHANCE OF
SNOW. HIGHS 25 TO 31.
MTZ317-191100-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. NEAR STEADY TEMPERATURE AROUND 18. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 29 TO 37. WEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
UPPER 20S. SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
35 MPH.
TUESDAY
PARTLY SUNNY. SNOW LIKELY IN THE MORNING, THEN SLIGHT
CHANCE OF SNOW IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS.
NEAR STEADY TEMPERATURE IN THE MID 20S. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 50 MPH. CHANCE OF SNOW 70 PERCENT.
TUESDAY NIGHT
COLDER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS 10 TO 16. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 40 MPH.
WEDNESDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 20 TO 28.
WEDNESDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND
19.
THURSDAY
PARTLY SUNNY. HIGHS 26 TO 32.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 9. HIGHS 15 TO 21.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 3. HIGHS 12 TO 18.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SNOW. LOWS 4 TO 10. HIGHS 22 TO 28.
MTZ318-191100-
SNOWY AND JUDITH MOUNTAINS-
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY IN THE LATE EVENING AND EARLY
MORNING THEN BECOMING PARTLY CLOUDY. NEAR STEADY TEMPERATURE
AROUND 17. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
35 MPH.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS 31 TO 39. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 40 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. NEAR STEADY TEMPERATURE IN THE UPPER 20S. WEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 26 TO 34.
NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO AROUND 60 MPH. CHANCE
OF SNOW 50 PERCENT.
TUESDAY NIGHT
BREEZY. PARTLY CLOUDY IN THE EVENING, THEN
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW AFTER MIDNIGHT.
LOWS AROUND 13. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
50 MPH.
WEDNESDAY
BREEZY. PARTLY SUNNY IN THE MORNING THEN CLEARING.
LIGHT SNOW ACCUMULATIONS. HIGHS 21 TO 29.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 15.
HIGHS 27 TO 33.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 7. HIGHS 14 TO 20.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS NEAR ZERO. HIGHS 12 TO 18.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 3. HIGHS 21 TO 29.
MTZ319-191100-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 17. LIGHT WINDS
BECOMING SOUTHWEST UP TO 5 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE UPPER
30S. SOUTHEAST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE UPPER
30S. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16. SOUTHWEST WINDS
AROUND 5 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 19.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S.
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 14.
CHANCE OF SNOW 30 PERCENT.
FRIDAY AND FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. A 40 PERCENT
CHANCE OF SNOW. HIGHS IN THE MID 20S. LOWS AROUND 6.
SATURDAY
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE LOWER 20S.
CHANCE OF SNOW 30 PERCENT.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 9. HIGHS IN THE LOWER 30S.
TEMPERATURE / PRECIPITATION
HELENA 18 39 24 37 / 0 0 0 30
MTZ320-191100-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS
UP TO 5 MPH SHIFTING TO THE WEST AFTER MIDNIGHT. GUSTS UP TO
35 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 27 TO 35.
SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 45 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE MID
20S. SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 50 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN
MOSTLY SUNNY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS
24 TO 32. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
55 MPH. CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS AROUND 15. WEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 45 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 21 TO 29.
LOWS AROUND 18.
THURSDAY
PARTLY SUNNY. HIGHS 27 TO 35.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS 12 TO 18. HIGHS 17 TO 25.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS 4 TO 10. HIGHS 14 TO 22.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS 6 TO 12. HIGHS 21 TO 31.
MTZ321-191100-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT. GUSTS UP TO
25 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE MID 30S. WEST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
BREEZY. MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY WITH SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 15 MPH
INCREASING TO 10 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH.
CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS AROUND 15. WEST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
UPPER 20S. LOWS AROUND 17.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 13. HIGHS IN THE MID 20S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 6. HIGHS IN THE LOWER 20S.
SATURDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 8.
CHANCE OF SNOW 30 PERCENT.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
AROUND 30.
MTZ322-191100-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 13 TO 19. WEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 29 TO 37. WEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE MID
20S. WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN
MOSTLY SUNNY WITH SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS
26 TO 34. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
30 MPH. CHANCE OF SNOW 40 PERCENT.
TUESDAY NIGHT
COLDER. MOSTLY CLEAR. LOWS 12 TO 18. WEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 23 TO 31.
LOWS AROUND 17.
THURSDAY
PARTLY SUNNY. HIGHS 28 TO 36.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS 12 TO 18.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. HIGHS 18 TO 26. LOWS AROUND 8.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 11. HIGHS 25 TO 33.
MTZ323-191100-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHWEST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE UPPER
30S. SOUTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE UPPER
30S. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 18. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 20.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 19.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. HIGHS IN THE MID 20S. LOWS AROUND 11.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE
OF SNOW. LOWS AROUND 13. HIGHS IN THE MID 30S.
MTZ324-191100-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS AROUND 17. WEST WINDS UP
TO 5 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS AROUND 40. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16. SOUTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 19.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
30S. LOWS AROUND 19.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. HIGHS AROUND 30. LOWS AROUND 12.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
20S. LOWS AROUND 13.
SUNDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S.
MTZ325-191100-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS AROUND 17. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE UPPER 30S. SOUTH
WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 20 TO 26. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE WEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16. SOUTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 20.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE UPPER
30S. LOWS AROUND 20.
FRIDAY THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. HIGHS IN THE LOWER 30S. LOWS AROUND 16.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE UPPER 30S.
MTZ326-191100-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLOUDY LATE IN THE EVENING THEN
CLEARING. LOWS AROUND 16. SOUTHWEST WINDS UP TO 5 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE UPPER 30S. SOUTH
WINDS UP TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
IN THE MID 30S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 15. SOUTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 18.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 18. HIGHS AROUND 30.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. LOWS AROUND 11. HIGHS IN THE UPPER
20S.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN
THE MID 30S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 14 37 19 35 / 0 0 0 20
BOZEMAN MSU 16 38 21 35 / 0 0 0 20
MTZ330-191100-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
PARTLY CLOUDY. LOWS 7 TO 15. NORTHWEST WINDS
UP TO 10 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 24 TO 34. WEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 10 TO 22. SOUTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
21 TO 31. SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH
SHIFTING TO THE WEST 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH IN
THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 7 TO 15. SOUTHWEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 21 TO 29.
LOWS 9 TO 17.
THURSDAY
PARTLY SUNNY. HIGHS 24 TO 34.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF SNOW. LOWS 7 TO 17. HIGHS 20 TO 28.
SATURDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
19 TO 27.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS 9 TO 15.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
22 TO 32.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE -2 28 5 27 / 0 0 0 20
MTZ327-191100-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS 8 TO 14. NORTHWEST WINDS UP
TO 5 MPH. GUSTS UP TO 20 MPH LATE IN THE EVENING.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 27 TO 33. WEST WINDS UP
TO 10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 19. WEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 27 TO 35. WEST WINDS 5 TO 10 MPH.
GUSTS UP TO 40 MPH DECREASING TO 30 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 8 TO 14. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
SUNNY. HIGHS 26 TO 32.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 10 TO 16.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS 28 TO 36.
LOWS AROUND 15.
FRIDAY
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 23 TO 31. CHANCE OF
SNOW 40 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 12. HIGHS 22 TO 30.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS AROUND 12.
SUNDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
25 TO 33.
MTZ328-191100-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 15. NORTH WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 34 TO 40. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 17 TO 23. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 33 TO 39. SOUTHWEST WINDS 5 TO
10 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 15. SOUTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 31 TO 37.
LOWS AROUND 18.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. HIGHS 36 TO 42.
LOWS AROUND 20.
FRIDAY
PARTLY SUNNY. HIGHS 31 TO 37.
FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
EVENING. LOWS AROUND 14.
SATURDAY
PARTLY SUNNY. HIGHS 28 TO 34.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. LOWS AROUND 16. HIGHS
34 TO 40.
TEMPERATURE / PRECIPITATION
DILLON 14 39 20 38 / 0 0 0 0
MTZ329-191100-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
943 PM MST SUN JAN 18 2026
REST OF TONIGHT
MOSTLY CLEAR. LOWS AROUND 13. NORTHWEST WINDS
UP TO 10 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 28 TO 34. WEST WINDS UP
TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 21. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 28 TO 34. SOUTHWEST WINDS 5 TO
15 MPH SHIFTING TO THE WEST IN THE AFTERNOON. GUSTS UP TO 30 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 10 TO 16. SOUTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS 26 TO 32.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 12 TO 18.
THURSDAY THROUGH FRIDAY
MOSTLY CLOUDY. HIGHS 26 TO 36. LOWS
14 TO 20.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 13.
SATURDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
24 TO 30.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 14.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
26 TO 34.
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