542
FPUS55 KTFX 162137
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT SUN AUG 16 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TONIGHT, MONDAY, MONDAY NIGHT, AND TUESDAY.
MTZ301-171000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING
AND EARLY MORNING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS 5 TO
10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
PATCHY SMOKE IN THE AFTERNOON. HIGHS 62 TO 72. WEST WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY NIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 74. WEST WINDS UP TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 63 TO 73.
LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 76.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 50S.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 65 TO 75. LOWS
IN THE LOWER 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
MORNING. HIGHS 59 TO 67.
MTZ307-171000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
PARTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND EARLY
MORNING. LOWS 45 TO 51. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75. WEST WINDS UP TO 10 MPH INCREASING
TO 10 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 47 TO 53. WEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75. WEST WINDS UP TO 10 MPH. GUSTS UP
TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 51. WEST WINDS UP TO
10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 65 TO 78. LOWS
47 TO 53.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 49 TO 55. HIGHS
70 TO 80.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 51 TO 57.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 77. CHANCE OF
PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 47 TO 53.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. HIGHS 61 TO 71.
MTZ302-171000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN MOSTLY CLEAR WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. PARTLY CLOUDY LATE IN THE NIGHT. LOWS IN THE
UPPER 40S. WEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. PATCHY SMOKE IN THE AFTERNOON. HIGHS IN THE MID
70S. WEST WINDS UP TO 15 MPH.
MONDAY NIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLOUDY WITH A
20 PERCENT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY
CLOUDY AFTER MIDNIGHT. LOWS AROUND 50. WEST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
MID 70S. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 50S.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF
PRECIPITATION 30 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S.
MTZ308-171000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING
AND EARLY MORNING. LOWS IN THE LOWER 50S. NORTHWEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. PATCHY SMOKE IN THE EVENING. LOWS
IN THE MID 50S. NORTHWEST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. WEST WINDS UP TO 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER
80S. LOWS IN THE MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
MTZ303-171000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
337 PM MDT SUN AUG 16 2026
TONIGHT
PATCHY SMOKE EARLY IN THE EVENING. MOSTLY CLOUDY WITH
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. PARTLY CLOUDY
LATE IN THE NIGHT. LOWS IN THE UPPER 40S. NORTHWEST WINDS 5 TO
10 MPH. GUSTS UP TO 25 MPH IN THE EVENING. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. PATCHY SMOKE IN THE AFTERNOON. HIGHS IN THE UPPER
70S. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
PATCHY SMOKE IN THE EVENING. MOSTLY CLOUDY IN THE
EVENING, THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
UPPER 70S. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 50S. HIGHS AROUND 80.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
TEMPERATURE / PRECIPITATION
CUT BANK 48 77 48 79 / 20 20 20 10
MTZ304-171000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
337 PM MDT SUN AUG 16 2026
TONIGHT
PATCHY SMOKE EARLY IN THE EVENING. MOSTLY CLOUDY WITH
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND
OVERNIGHT. LOWS IN THE LOWER 50S. NORTHWEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 76 TO 82. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. PATCHY SMOKE IN THE EVENING. A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE LOWER 50S. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 78 TO 84. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS
UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 79 TO 85.
LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS 76 TO 82.
MTZ305-171000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
337 PM MDT SUN AUG 16 2026
TONIGHT
PATCHY SMOKE EARLY IN THE EVENING. MOSTLY CLOUDY WITH
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND
OVERNIGHT. LOWS IN THE LOWER 50S. NORTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE EVENING. CHANCE OF PRECIPITATION
20 PERCENT.
MONDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 80. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS AROUND 50. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. EAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
HAVRE 52 83 51 85 / 20 20 20 10
MTZ306-171000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN MOSTLY CLOUDY LATE IN THE EVENING.
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO
25 MPH IN THE EVENING. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. NORTHWEST WINDS 5 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. NORTH WINDS UP TO 10 MPH SHIFTING
TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS UP TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. SOUTH WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE MID 50S.
FRIDAY NIGHT AND SATURDAY
BREEZY. PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MTZ309-171000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING
AND EARLY MORNING. LOWS AROUND 50. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT. CHANCE OF PRECIPITATION
20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. NORTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
PATCHY SMOKE IN THE EVENING. PARTLY CLOUDY IN THE
EVENING, THEN MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS UP TO
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 80S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 50S.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS IN
THE MID 80S. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS AROUND 80.
MTZ310-171000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
337 PM MDT SUN AUG 16 2026
TONIGHT
PATCHY SMOKE EARLY IN THE EVENING. MOSTLY CLOUDY WITH
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN PARTLY
CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND
EARLY MORNING. PARTLY CLOUDY LATE IN THE NIGHT. LOWS IN THE LOWER
50S. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE WEST AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
MID 80S. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MTZ311-171000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
337 PM MDT SUN AUG 16 2026
TONIGHT
PATCHY SMOKE EARLY IN THE EVENING. MOSTLY CLOUDY WITH
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN PARTLY
CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND
OVERNIGHT. LOWS IN THE MID 50S. WEST WINDS UP TO 10 MPH. CHANCE
OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 77 TO 83. NORTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 78 TO 84. SOUTHEAST WINDS UP TO 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. SOUTH WINDS UP
TO 10 MPH.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS 80 TO 88. LOWS IN
THE UPPER 50S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE LOWER 60S. HIGHS 81 TO 87.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND 60. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS 79 TO 85.
MTZ312-171000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING. LOWS IN THE LOWER 50S. NORTH WINDS 5 TO 10 MPH SHIFTING
TO THE SOUTHWEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE MID 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 80S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S.
SATURDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 52 83 54 84 / 20 20 10 20
MTZ313-171000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
337 PM MDT SUN AUG 16 2026
TONIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN SHOWERS IN THE LATE EVENING AND EARLY MORNING. PARTLY CLOUDY
LATE IN THE NIGHT. LOWS IN THE LOWER 50S. NORTHWEST WINDS 5 TO
10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS
5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. WEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
LOWER 80S. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 80S. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ314-171000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
337 PM MDT SUN AUG 16 2026
TONIGHT
PATCHY SMOKE EARLY IN THE EVENING. PARTLY CLOUDY WITH
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN MOSTLY
CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND
EARLY MORNING. PARTLY CLOUDY LATE IN THE NIGHT. LOWS 53 TO 59.
NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. NORTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 81 TO 87.
LOWS 53 TO 61.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS 58 TO 64. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 57 TO 63.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 50 79 52 79 / 20 20 10 40
MTZ315-171000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
LOWS 46 TO 54. WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 57. WEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 54. WEST WINDS UP TO
10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 69 TO 77.
LOWS 48 TO 56.
THURSDAY
SUNNY. HIGHS 74 TO 82.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 51 TO 59. HIGHS
74 TO 84.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
52 TO 60.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 80. CHANCE
OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 49 TO 57. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 67 TO 75.
MTZ316-171000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS 76 TO 84. SOUTHWEST WINDS UP TO
15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 83. SOUTHWEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 77 TO 87. LOWS
IN THE MID 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS 80 TO 88.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 50S.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 86. CHANCE
OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 74 TO 82.
MTZ317-171000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. PARTLY CLOUDY LATE IN THE NIGHT. LOWS
48 TO 54. SOUTHWEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE
EVENING. CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 77. WEST WINDS UP TO 15 MPH. GUSTS UP
TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 55. NORTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 68 TO 76. SOUTHWEST
WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE
OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 47 TO 55. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 81. LOWS
49 TO 57.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 52 TO 58. HIGHS
76 TO 82.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 55 TO 61.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 81. CHANCE
OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 51 TO 59.
CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78.
MTZ318-171000-
SNOWY AND JUDITH MOUNTAINS-
337 PM MDT SUN AUG 16 2026
TONIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN MOSTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN SHOWERS IN THE LATE EVENING AND EARLY MORNING. PARTLY CLOUDY
LATE IN THE NIGHT. LOWS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 71 TO 77. NORTHWEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. NORTH WINDS
5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 76. SOUTH WINDS UP
TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 50 TO 56. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 72 TO 81. LOWS
51 TO 57.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS 77 TO 83.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 56 TO 62.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 83. CHANCE OF
PRECIPITATION 30 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 55 TO 61. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 74 TO 80.
MTZ319-171000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN SHOWERS IN THE LATE EVENING AND EARLY MORNING. PARTLY CLOUDY
LATE IN THE NIGHT. LOWS AROUND 50. SOUTH WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 20 PERCENT.
MONDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. EAST WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. NORTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
HELENA 51 84 55 83 / 20 20 20 20
MTZ320-171000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS 69 TO 77. WEST WINDS UP TO 15 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON.
MONDAY NIGHT
CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. NORTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 68 TO 76. SOUTHWEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. GUSTS UP TO
25 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 69 TO 82. LOWS
IN THE MID 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS 74 TO 84.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 50S.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 73 TO 81. LOWS
IN THE MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78.
MTZ321-171000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. WEST WINDS 5 TO 15 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE WEST 5 TO 15 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. WEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER
70S. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 80S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE MID 50S.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER
50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ322-171000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT. LOWS 47 TO 53.
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
49 TO 57. WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 76. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 46 TO 54. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY
SUNNY. HIGHS 70 TO 78.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 56.
THURSDAY
SUNNY. HIGHS 74 TO 82.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 59.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 75 TO 83.
FRIDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 52 TO 60.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 73 TO 81. CHANCE
OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 49 TO 57. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 70 TO 78. CHANCE OF PRECIPITATION 20 PERCENT.
MTZ323-171000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY AFTER
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE EVENING. LOWS 49 TO 55. SOUTH
WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 52 TO 58. NORTH WINDS UP TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 50 TO 56. WEST WINDS UP TO
5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER
70S. LOWS 51 TO 57.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS 53 TO 59. HIGHS
IN THE MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 55 TO 61.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 53 TO 59.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80.
MTZ324-171000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS LATE IN THE EVENING. LOWS AROUND 50. NORTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. WEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. WEST WINDS UP TO 5 MPH.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
IN THE MID 50S. CHANCE OF SHOWERS 40 PERCENT.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ325-171000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING. PARTLY
CLOUDY AFTER MIDNIGHT. LOWS 46 TO 52. SOUTH WINDS 5 TO 10 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. SOUTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
48 TO 54. SOUTH WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER
70S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 46 TO 52. WEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 58.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
53 TO 59. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 50 TO 56. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF
PRECIPITATION 40 PERCENT.
MTZ326-171000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY
CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING, THEN SLIGHT CHANCE OF THUNDERSTORMS LATE IN
THE EVENING. LOWS AROUND 50. NORTHWEST WINDS 5 TO 10 MPH SHIFTING
TO THE SOUTHEAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
IN THE LOWER 50S. SOUTHEAST WINDS 5 TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE
WEST IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS AROUND 50. WEST WINDS UP TO 5 MPH SHIFTING
TO THE SOUTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS IN THE MID 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
LOWS IN THE MID 50S. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE
OF PRECIPITATION 30 PERCENT.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 48 81 50 81 / 50 10 30 20
BOZEMAN MSU 50 80 53 79 / 50 20 30 30
MTZ330-171000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN MOSTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING. PARTLY
CLOUDY AFTER MIDNIGHT. LOWS 42 TO 50. WEST WINDS 5 TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
MONDAY NIGHT
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
45 TO 53. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
20 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 74.
SOUTHWEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 43 TO 51. WEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 65 TO 75.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS
45 TO 57. HIGHS 69 TO 79.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 71 TO 81.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
50 TO 58. CHANCE OF SHOWERS 40 PERCENT.
SATURDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 78.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 48 TO 54. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 35 77 39 76 / 30 30 40 40
MTZ327-171000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF THUNDERSTORMS EARLY IN
THE EVENING, THEN MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. PARTLY CLOUDY AFTER MIDNIGHT. LOWS
40 TO 50. NORTH WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 77. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
42 TO 52. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 40 TO 50. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 67 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 43 TO 53.
THURSDAY
SUNNY. HIGHS 71 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 56.
FRIDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 82. CHANCE OF
PRECIPITATION 40 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 47 TO 57.
SATURDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 79.
SATURDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS 42 TO 52. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 66 TO 76.
MTZ328-171000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF THUNDERSTORMS EARLY IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 40S. EAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 75 TO 81. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
IN THE LOWER 50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
74 TO 80. WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 75 TO 81.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS 79 TO 85.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 80 TO 86.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 84. CHANCE
OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 81. CHANCE OF
PRECIPITATION 40 PERCENT.
TEMPERATURE / PRECIPITATION
DILLON 47 80 50 79 / 30 20 30 30
MTZ329-171000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
337 PM MDT SUN AUG 16 2026
TONIGHT
MOSTLY CLOUDY WITH CHANCE OF THUNDERSTORMS EARLY IN
THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 40S. SOUTH WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN
THE EVENING. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 77. SOUTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 75.
WEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 68 TO 76.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS 73 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 81.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
IN THE MID 50S. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 68 TO 76. CHANCE OF
PRECIPITATION 40 PERCENT.
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