133
FPUS55 KTFX 181628
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
927 AM MST SUN JAN 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR THE REST OF TODAY, TONIGHT, AND MARTIN LUTHER KING JR
DAY.
MTZ301-182300-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
MID 20S. NORTHEAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 13 TO 19. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 23 TO 33.
SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH INCREASING TO
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
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 24 TO 34. WEST WINDS
5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 12 TO 18.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. HIGHS 23 TO 31.
LOWS 16 TO 22.
THURSDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 22 TO 30.
THURSDAY NIGHT AND FRIDAY
COLDER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. LOWS AROUND 3. HIGHS 5 TO 13. CHANCE OF SNOW
70 PERCENT.
FRIDAY NIGHT AND SATURDAY
SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. LOWS AROUND 9 BELOW. HIGHS 1 BELOW TO 5 ABOVE
ZERO. CHANCE OF SNOW 70 PERCENT.
MTZ307-182300-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
PARTLY SUNNY. NEAR STEADY TEMPERATURE IN THE MID
20S. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 11 TO 17. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
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 A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 25 TO 33. WEST
WINDS 5 TO 10 MPH. GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE
AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 12 TO 18.
WEDNESDAY
PARTLY SUNNY. HIGHS 23 TO 31.
WEDNESDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND
20.
THURSDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 25 TO 33.
THURSDAY NIGHT
COLDER. CHANCE OF SNOW IN THE EVENING, THEN
SNOW LIKELY AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS 3 TO
9. CHANCE OF SNOW 70 PERCENT.
FRIDAY
COLDER. SNOW LIKELY IN THE MORNING, THEN SNOW IN THE
AFTERNOON. HEAVY SNOW ACCUMULATIONS. HIGHS 7 TO 15. CHANCE OF
SNOW 80 PERCENT.
FRIDAY NIGHT AND SATURDAY
SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. LOWS AROUND 7 BELOW. HIGHS 1 TO 9. CHANCE OF SNOW
70 PERCENT.
MTZ302-182300-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. MOSTLY CLOUDY. HIGHS IN THE LOWER 30S.
NORTH WINDS 5 TO 15 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 17. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE WEST WITH GUSTS TO AROUND 25 MPH AFTER
MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE UPPER
30S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
INCREASING TO 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH IN THE
AFTERNOON.
MONDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST
WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 45 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN
THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 17.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS IN THE LOWER 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE LOWER 30S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 5. HIGHS AROUND 13.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 8 BELOW. HIGHS AROUND 4.
MTZ308-182300-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. MOSTLY CLOUDY. HIGHS IN THE MID 30S.
NORTH WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 19. EAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER
MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 25 MPH INCREASING TO
35 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. WEST WINDS
10 TO 15 MPH. GUSTS UP TO 50 MPH DECREASING TO 40 MPH AFTER
MIDNIGHT.
TUESDAY
MOSTLY CLOUDY WITH A 20 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 30 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
WEDNESDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
UPPER 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE UPPER 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 10.
FRIDAY AND FRIDAY NIGHT
MUCH COLDER. SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. HIGHS AROUND 17. LOWS AROUND 4 BELOW. CHANCE OF
SNOW 70 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
AROUND 10.
MTZ303-182300-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. MOSTLY CLOUDY. HIGHS IN THE LOWER 30S.
NORTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 14. NORTH WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS AROUND 40. WEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN
THE MID 30S. NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 40 MPH
DECREASING TO 30 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 16.
WEDNESDAY THROUGH THURSDAY
BREEZY. MOSTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 17.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 3. HIGHS AROUND 12.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW. LOWS AROUND 10 BELOW.
SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS AROUND 3.
TEMPERATURE / PRECIPITATION
CUT BANK 32 13 40 / 0 0 0
MTZ304-182300-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. PARTLY SUNNY. HIGHS 28 TO 34. NORTH
WINDS 10 TO 15 MPH. GUSTS UP TO 45 MPH DECREASING TO 35 MPH IN
THE AFTERNOON.
TONIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. 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 25 MPH INCREASING TO 40 MPH AFTER
MIDNIGHT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 10 TO 20 MPH.
GUSTS UP TO 50 MPH DECREASING TO 40 MPH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 15.
HIGHS IN THE UPPER 20S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 15.
THURSDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE UPPER 20S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 2.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS
AROUND 12. CHANCE OF SNOW 60 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW. LOWS AROUND 11 BELOW.
SATURDAY
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 2.
CHANCE OF SNOW 40 PERCENT.
MTZ305-182300-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. MOSTLY SUNNY IN THE LATE MORNING AND
EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS IN THE UPPER
20S. NORTHWEST WINDS 10 TO 20 MPH.
TONIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 10. NORTH WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE LOWER 30S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. LOWS IN THE LOWER
20S. WEST WINDS 5 TO 15 MPH.
TUESDAY
BREEZY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 15 TO
25 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 15.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 13.
THURSDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE MID 20S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS NEAR ZERO. HIGHS AROUND 10.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW. LOWS AROUND 12 BELOW.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 1. CHANCE OF
SNOW 40 PERCENT.
TEMPERATURE / PRECIPITATION
HAVRE 28 10 33 / 0 0 0
MTZ306-182300-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
927 AM MST SUN JAN 18 2026
REST OF TODAY
BREEZY. PARTLY SUNNY. HIGHS IN THE UPPER 20S.
NORTHWEST WINDS 15 TO 25 MPH.
TONIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 6. NORTHWEST WINDS
5 TO 10 MPH.
MARTIN LUTHER KING JR DAY
PARTLY SUNNY. HIGHS IN THE UPPER
20S. WEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND 20.
WEST WINDS 5 TO 15 MPH.
TUESDAY
WINDY. MOSTLY CLOUDY. HIGHS IN THE UPPER 20S.
NORTHWEST WINDS 15 TO 30 MPH.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY. LOWS AROUND 12.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 20S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 9.
HIGHS IN THE MID 20S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 3 BELOW. HIGHS AROUND 8.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW. LOWS AROUND 14 BELOW.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS NEAR ZERO. CHANCE
OF SNOW 40 PERCENT.
MTZ309-182300-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. PARTLY SUNNY. HIGHS IN THE MID 30S.
NORTH WINDS 5 TO 15 MPH.
TONIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 15. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER
40S. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN
THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 30S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 6. HIGHS AROUND 16.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW. LOWS AROUND 8 BELOW.
SATURDAY
COLDER. MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS AROUND 6.
MTZ310-182300-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. MOSTLY SUNNY IN THE LATE MORNING AND
EARLY AFTERNOON THEN BECOMING MOSTLY CLOUDY. HIGHS IN THE MID
30S. NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
TONIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 15. NORTH WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE UPPER
30S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
NOT AS COLD. MOSTLY CLOUDY. LOWS IN THE MID 20S.
WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 40 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE
LOWER 30S. LOWS AROUND 18.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE MID 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 6.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS
AROUND 16. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW
ACCUMULATIONS. LOWS AROUND 8 BELOW. CHANCE OF SNOW 60 PERCENT.
SATURDAY
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,
THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 5.
CHANCE OF SNOW 50 PERCENT.
MTZ311-182300-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
927 AM MST SUN JAN 18 2026
REST OF TODAY
BREEZY, COLDER. PARTLY SUNNY. HIGHS AROUND 30.
NORTHWEST WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 45 MPH.
TONIGHT
COLDER. PARTLY CLOUDY. LOWS AROUND 13. NORTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
UPPER 20S. WEST WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH AFTER
MIDNIGHT.
TUESDAY
BREEZY. MOSTLY CLOUDY. LIGHT SNOW ACCUMULATIONS. HIGHS
IN THE LOWER 30S. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 45 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 17.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 20S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 16.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS AROUND 30.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 4.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS
AROUND 12. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 8 BELOW. HIGHS AROUND 3.
MTZ312-182300-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
927 AM MST SUN JAN 18 2026
REST OF TODAY
COLDER. MOSTLY CLOUDY. HIGHS IN THE MID 30S.
NORTH WINDS 5 TO 15 MPH.
TONIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
LOWS AROUND 18. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE LOWER 40S.
SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS IN THE UPPER 30S. NORTHWEST WINDS 5 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLOUDY. HIGHS IN THE MID
30S. LOWS IN THE MID 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE UPPER 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 11.
FRIDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.
HIGHS AROUND 18. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 3 BELOW. HIGHS AROUND 10.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 35 17 41 / 10 0 0
MTZ313-182300-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
927 AM MST SUN JAN 18 2026
REST OF TODAY
WINDY, COLDER. MOSTLY CLOUDY. A 20 PERCENT
CHANCE OF SNOW LATE IN THE MORNING. HIGHS IN THE MID 30S.
NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.
TONIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 17. NORTHWEST WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS IN THE LOWER
40S. WEST WINDS 5 TO 20 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
LOWER 30S. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
BREEZY. MOSTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS IN THE UPPER 30S. NORTHWEST WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 45 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 18.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 30S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE MID 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS AROUND 40.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 8.
FRIDAY
MUCH COLDER. SNOW LIKELY. LIGHT SNOW ACCUMULATIONS.
HIGHS AROUND 18. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 6 BELOW. HIGHS AROUND 10.
MTZ314-182300-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
927 AM MST SUN JAN 18 2026
REST OF TODAY
WINDY, COLDER. PARTLY SUNNY. HIGHS IN THE MID
30S. NORTHWEST WINDS 15 TO 30 MPH. GUSTS UP TO 55 MPH DECREASING
TO 45 MPH IN THE AFTERNOON.
TONIGHT
COLDER. MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS AROUND 16. NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MARTIN LUTHER KING JR DAY
SUNNY IN THE MORNING THEN BECOMING
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE AROUND 30.
WEST WINDS 5 TO 15 MPH. GUSTS UP TO 25 MPH INCREASING TO 35 MPH
AFTER MIDNIGHT.
TUESDAY
WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. HIGHS IN THE MID 30S. NORTHWEST WINDS 15 TO 30 MPH.
GUSTS UP TO 55 MPH DECREASING TO 45 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS AROUND 20.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 17.
HIGHS IN THE MID 30S.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 7.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS
AROUND 16. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 6 BELOW. HIGHS AROUND 6.
TEMPERATURE / PRECIPITATION
LEWISTOWN 34 14 39 / 0 0 0
MTZ315-182300-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
PARTLY SUNNY. NEAR STEADY TEMPERATURE IN THE MID
20S. NORTHEAST WINDS UP TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 16. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 27 TO 35. WEST WINDS UP
TO 10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.
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 35 MPH.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. A 20 PERCENT CHANCE OF SNOW. HIGHS 27 TO 35. NORTHWEST
WINDS UP TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 17.
HIGHS 26 TO 32.
WEDNESDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
LOWER 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 28 TO 36.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS AROUND 11.
FRIDAY AND FRIDAY NIGHT
COLDER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. HIGHS 11 TO 19. LOWS AROUND 2 BELOW. CHANCE OF
SNOW 70 PERCENT.
SATURDAY
SNOW LIKELY. LIGHT SNOW ACCUMULATIONS. HIGHS 5 TO 13.
CHANCE OF SNOW 70 PERCENT.
MTZ316-182300-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
927 AM MST SUN JAN 18 2026
REST OF TODAY
PARTLY SUNNY. NEAR STEADY TEMPERATURE IN THE
LOWER 30S. NORTH WINDS UP TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 19. NORTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 33 TO 39. SOUTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 32 TO 38.
NORTHWEST WINDS UP TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 20.
HIGHS 29 TO 35.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE MID 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 33 TO 39.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 13.
FRIDAY AND FRIDAY NIGHT
COLDER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. HIGHS 16 TO 22. LOWS AROUND 2 BELOW. CHANCE OF
SNOW 70 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
7 TO 13.
MTZ317-182300-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE LATE MORNING AND EARLY AFTERNOON. HIGHS 24 TO 32. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 45 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 13 TO
19. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
MARTIN LUTHER KING JR DAY
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 MID
20S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. NEAR STEADY TEMPERATURE
IN THE MID 20S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
45 MPH. CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
COLDER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS 12 TO 18.
WEDNESDAY
PARTLY SUNNY. HIGHS 23 TO 31.
WEDNESDAY NIGHT
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
LOWER 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 29 TO 37.
THURSDAY NIGHT AND FRIDAY
COLDER. SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. LOWS 5 TO 11. HIGHS 11 TO 17. CHANCE OF SNOW
70 PERCENT.
FRIDAY NIGHT
COLDER. SNOW LIKELY. LIGHT SNOW ACCUMULATIONS.
LOWS AROUND 5 BELOW. CHANCE OF SNOW 70 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
4 TO 10.
MTZ318-182300-
SNOWY AND JUDITH MOUNTAINS-
927 AM MST SUN JAN 18 2026
REST OF TODAY
WINDY, COLDER. PARTLY SUNNY. A 20 PERCENT CHANCE
OF SNOW LATE IN THE MORNING. SNOW MAY BE HEAVY AT TIMES LATE IN
THE MORNING. HIGHS 27 TO 33. NORTHWEST WINDS 15 TO 30 MPH. GUSTS
UP TO 60 MPH DECREASING TO 50 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. NEAR STEADY TEMPERATURE AROUND 17. NORTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
MARTIN LUTHER KING JR DAY
MOSTLY SUNNY. HIGHS 31 TO 39. WEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE
UPPER 20S. WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH INCREASING
TO 45 MPH AFTER MIDNIGHT.
TUESDAY
WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN
THE MORNING. NEAR STEADY TEMPERATURE IN THE UPPER 20S. NORTHWEST
WINDS 15 TO 30 MPH. GUSTS UP TO 60 MPH DECREASING TO 50 MPH IN
THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
BREEZY. PARTLY CLOUDY. LIGHT SNOW
ACCUMULATIONS. LOWS AROUND 17. HIGHS 24 TO 30.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE LOWER 20S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS 31 TO 37.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS AROUND 6.
FRIDAY AND FRIDAY NIGHT
MUCH COLDER. SNOW LIKELY. MODERATE
SNOW ACCUMULATIONS. HIGHS 10 TO 16. LOWS AROUND 7 BELOW. CHANCE
OF SNOW 70 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
1 TO 7.
MTZ319-182300-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
927 AM MST SUN JAN 18 2026
REST OF TODAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST
WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 16. 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
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS IN THE UPPER
30S. NORTHWEST WINDS UP TO 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 18.
HIGHS IN THE MID 30S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS AROUND 20.
HIGHS AROUND 40.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS AROUND 13.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS
IN THE LOWER 20S. CHANCE OF SNOW 60 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SNOW. LOWS AROUND 1 BELOW.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 15. CHANCE
OF SNOW 40 PERCENT.
TEMPERATURE / PRECIPITATION
HELENA 36 17 38 / 0 0 0
MTZ320-182300-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE MID
20S. NORTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 16. NORTH WINDS UP TO 10 MPH SHIFTING TO THE WEST AFTER
MIDNIGHT. GUSTS UP TO 35 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 26 TO 34. SOUTHWEST
WINDS UP TO 15 MPH WITH GUSTS TO AROUND 45 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 50 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 25 TO 33. WEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 50 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 23 TO 31.
LOWS AROUND 20.
THURSDAY
NOT AS COLD. PARTLY SUNNY. A 20 PERCENT CHANCE OF
SNOW IN THE AFTERNOON. HIGHS 30 TO 38.
THURSDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. LOWS 10 TO 18.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS.
HIGHS 14 TO 24. CHANCE OF SNOW 70 PERCENT.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS 4 BELOW TO 4 ABOVE ZERO. HIGHS 5 TO 15.
MTZ321-182300-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS IN THE LOWER 30S. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 15. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE MID 30S.
SOUTHWEST 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 40 MPH.
TUESDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS IN THE LOWER 30S. NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 40 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS
AROUND 18. HIGHS IN THE LOWER 30S.
THURSDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE UPPER 30S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
LOWS AROUND 12.
FRIDAY AND FRIDAY NIGHT
COLDER. SNOW LIKELY. LIGHT SNOW
ACCUMULATIONS. HIGHS IN THE LOWER 20S. LOWS AROUND 1 BELOW.
CHANCE OF SNOW 70 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
AROUND 13.
MTZ322-182300-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 25 TO 33. NORTHEAST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 12 TO 18. NORTHWEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 29 TO 37. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 19 TO 25. WEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE
MORNING, THEN MOSTLY SUNNY IN THE AFTERNOON. HIGHS 27 TO 35.
NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 19.
WEDNESDAY
MOSTLY SUNNY. HIGHS 25 TO 33.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS 17 TO 23.
HIGHS 31 TO 39.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS 11 TO 17. HIGHS 16 TO 24.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS 2 BELOW TO 4 ABOVE ZERO. HIGHS 10 TO 18.
MTZ323-182300-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTH WINDS
5 TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 18. NORTH WINDS UP TO 10 MPH SHIFTING TO THE WEST AFTER
MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE UPPER 30S. SOUTH
WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH A 20 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
MOSTLY CLEAR. LOWS AROUND 19.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS AROUND 40.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 18. HIGHS IN THE MID 20S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SNOW. LOWS AROUND 5. HIGHS AROUND 17.
MTZ324-182300-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTH WINDS
UP TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 16. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS 5 TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE LOWER 40S.
THURSDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS AROUND 19.
FRIDAY
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
HIGHS IN THE UPPER 20S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SNOW. LOWS AROUND 6. HIGHS IN THE LOWER 20S.
MTZ325-182300-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. NORTH WINDS
UP TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS AROUND 16. 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 WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 18 TO 24. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE NORTHWEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
20S. HIGHS IN THE LOWER 40S.
THURSDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS IN THE LOWER 20S.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE
OF SNOW. HIGHS IN THE LOWER 30S. LOWS AROUND 10.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
IN THE MID 20S.
MTZ326-182300-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
927 AM MST SUN JAN 18 2026
REST OF TODAY
PARTLY SUNNY. HIGHS IN THE MID 30S. NORTHWEST
WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
AROUND 15. WEST 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 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. SOUTHWEST WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
30S. LOWS AROUND 20.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S.
THURSDAY NIGHT AND FRIDAY
COLDER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF SNOW. LOWS AROUND 18. HIGHS IN THE UPPER
20S.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND
5. CHANCE OF SNOW 50 PERCENT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS AROUND 20. CHANCE
OF SNOW 40 PERCENT.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 35 13 36 / 0 0 0
BOZEMAN MSU 35 15 38 / 0 0 0
MTZ330-182300-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
MOSTLY SUNNY. HIGHS 23 TO 31. NORTH WINDS UP TO
10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS 6 TO 14. 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 20. SOUTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
PARTLY SUNNY. LIGHT SNOW ACCUMULATIONS. HIGHS 22 TO
32. SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 8 TO 16.
WEDNESDAY
MOSTLY SUNNY. HIGHS 23 TO 31.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. LOWS 12 TO 20.
HIGHS 25 TO 35.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.
LOWS 14 TO 20.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS 21 TO 29. LOWS 3 TO 9.
SATURDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
15 TO 23.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 30 -3 28 / 0 0 0
MTZ327-182300-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
SUNNY. HIGHS 27 TO 33. NORTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 8 TO 14. NORTHWEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE EVENING.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 26 TO 34. WEST WINDS UP
TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 12 TO 18. WEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 27 TO 35. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 35 MPH DECREASING TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 10 TO 16.
WEDNESDAY
MOSTLY SUNNY. HIGHS 28 TO 34.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS 14 TO 20.
THURSDAY
MOSTLY SUNNY. HIGHS 29 TO 37.
THURSDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS AROUND 19.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE
OF SNOW. HIGHS 23 TO 31. LOWS AROUND 9.
SATURDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS
17 TO 23.
MTZ328-182300-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
927 AM MST SUN JAN 18 2026
REST OF TODAY
SUNNY. HIGHS 32 TO 38. NORTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 15. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 34 TO 40. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 19. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 35 TO 41. SOUTHWEST WINDS 5 TO
10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON. GUSTS UP TO
25 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17.
WEDNESDAY
MOSTLY SUNNY. HIGHS 33 TO 39.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN
THE LOWER 20S. HIGHS 37 TO 43.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SNOW. HIGHS 31 TO 37. LOWS AROUND 10.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
22 TO 28.
TEMPERATURE / PRECIPITATION
DILLON 36 15 39 / 0 0 0
MTZ329-182300-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
927 AM MST SUN JAN 18 2026
REST OF TODAY
SUNNY. HIGHS 27 TO 33. NORTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS AROUND 13. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MARTIN LUTHER KING JR DAY
SUNNY. HIGHS 28 TO 34. WEST WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE MORNING.
MONDAY NIGHT
MOSTLY CLEAR. LOWS 13 TO 19. SOUTHWEST WINDS 5 TO
15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 28 TO 34. SOUTHWEST WINDS 5 TO
15 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 12 TO 18.
WEDNESDAY
MOSTLY SUNNY. HIGHS 28 TO 34.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
MOSTLY CLOUDY. LOWS
15 TO 21. HIGHS 29 TO 37.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SNOW. HIGHS 27 TO 33. LOWS AROUND 10.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
19 TO 25.
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