245
FPUS55 KTFX 160633
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1232 AM MDT SUN AUG 16 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR .TONIGHT THROUGH TODAY..., 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
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 60 TO 70. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 61 TO 69. SOUTHWEST WINDS UP TO 15 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS UP TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 62 TO 72. LOWS
IN THE UPPER 40S. SOUTHWEST WINDS UP TO 15 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 63 TO 74.
LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS 66 TO 76.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE LOWER 50S.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 63 TO 73.
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 LOWER 50S. CHANCE OF
PRECIPITATION 30 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS 58 TO 68.
MTZ307-171000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 63 TO 73. LOWS 44 TO 50.
SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE
OF PRECIPITATION 40 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS 63 TO 73. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 51. WEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 63 TO 73. WEST WINDS UP TO 10 MPH. GUSTS UP
TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 50. WEST WINDS UP TO
10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 65 TO 78. LOWS
46 TO 52.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 69 TO 79.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS 49 TO 55. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 66 TO 76. LOWS
46 TO 52. CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY
SUNNY. HIGHS 62 TO 72.
MTZ302-171000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 70S. LOWS 45 TO 50. WEST WINDS
UP TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 70S. WEST WINDS UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 40S. NORTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS AROUND 50. SOUTHWEST WINDS UP TO 15 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
UPPER 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 LOWER 50S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 70S. LOWS IN THE LOWER 50S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.
MTZ308-171000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS
AROUND 50. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S. NORTH WINDS UP TO
10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. WEST WINDS UP TO 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
LOWER 80S. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 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 SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 80S. CHANCE OF PRECIPITATION 20 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
SUNNY. HIGHS IN THE UPPER 70S.
MTZ303-171000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 70S. LOWS 46 TO
51. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. WEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. NORTHEAST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 70S.
LOWS AROUND 50. SOUTHWEST WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS AROUND
80. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S.
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 30 PERCENT.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
TEMPERATURE / PRECIPITATION
CUT BANK 46 74 47 76 / 20 10 20 10
MTZ304-171000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS 75 TO 81. LOWS 47 TO 53. NORTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 79. NORTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTHWEST 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. NORTH WINDS UP TO 5 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
MOSTLY SUNNY. HIGHS 75 TO 81. 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 UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 78 TO 86.
LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. HIGHS 80 TO 86.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 50S. HIGHS 79 TO 85.
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 MID 50S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS 75 TO 81.
MTZ305-171000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS IN THE LOWER 80S. LOWS 47 TO 52. NORTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION
30 PERCENT.
MONDAY
PARTLY SUNNY IN THE MORNING, THEN CLOUDY WITH CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE UPPER 70S. NORTH WINDS UP TO 5 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS AROUND 50. NORTHEAST WINDS UP TO 5 MPH. CHANCE OF
PRECIPITATION 20 PERCENT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. SOUTH WINDS
UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
MID 80S. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 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 MID 50S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
MORNING. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
HAVRE 49 81 50 83 / 30 30 20 10
MTZ306-171000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. A 40 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. HIGHS IN THE LOWER 80S. LOWS AROUND
50. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. NORTHWEST WINDS UP TO
5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS IN THE LOWER 50S.
SOUTH WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 50S.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE MORNING. HIGHS IN THE LOWER 80S.
MTZ309-171000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS AROUND 80. LOWS IN THE UPPER 40S. WEST WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO
5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 50. NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 80. LOWS
AROUND 50. SOUTHWEST WINDS UP TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE
MID 80S. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS IN THE MID 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
LOWER 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. HIGHS AROUND 80.
MTZ310-171000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS
49 TO 55. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS AROUND 80. WEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
80S. LOWS IN THE LOWER 50S. SOUTH 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 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 MID 50S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ311-171000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 77 TO 83. LOWS 51 TO 57.
WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 81. NORTHWEST
WINDS UP TO 5 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. NORTH WINDS
UP TO 5 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 76 TO 82. 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 THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 81 TO 87.
LOWS IN THE UPPER 50S.
FRIDAY
MOSTLY SUNNY. HIGHS 81 TO 87.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. LOWS AROUND 60. 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 IN THE UPPER 50S. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS 78 TO 84.
MTZ312-171000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND
25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
UP TO 5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. NORTHEAST
WINDS 5 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. SOUTHWEST WINDS UP TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S. SOUTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY THROUGH FRIDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S.
LOWS IN THE MID 50S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 30 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 40 PERCENT.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 51 81 52 82 / 40 10 20 10
MTZ313-171000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS
48 TO 53. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND
25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE NORTH IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. NORTHEAST
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 IN THE UPPER 70S.
SOUTHWEST 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 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
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF SHOWERS
30 PERCENT.
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
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ314-171000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS
50 TO 58. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80. WEST WINDS UP TO 5 MPH SHIFTING
TO THE NORTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 51 TO 57. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 40 PERCENT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 51 TO 57. SOUTHWEST WINDS UP
TO 10 MPH.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLEAR. HIGHS 82 TO 88.
LOWS 54 TO 60.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 30 PERCENT CHANCE
OF RAIN SHOWERS. LOWS 56 TO 62. 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 56 TO 62.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 49 77 49 77 / 30 20 30 40
MTZ315-171000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS 68 TO 76. LOWS 45 TO 53. SOUTHWEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS 68 TO 76. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 47 TO 55. WEST WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 76. WEST WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 53. WEST WINDS UP TO
10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. HIGHS 68 TO 82. LOWS
47 TO 55.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 58.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 74 TO 82.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS 50 TO 58. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 71 TO 79. LOWS
47 TO 55. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 67 TO 75.
MTZ316-171000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 74 TO 82. LOWS 49 TO 54.
SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. HIGHS 74 TO 82. SOUTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 74 TO 82. SOUTHWEST
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 30 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 76 TO 87. LOWS
IN THE MID 50S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 80 TO 88.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF SHOWERS
30 PERCENT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 77 TO 85. LOWS
IN THE MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
SUNNY. HIGHS 74 TO 82.
MTZ317-171000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 68 TO 76. LOWS 47 TO 53.
SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
MONDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 75. SOUTHWEST WINDS UP TO 5 MPH WITH
GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST WITH GUSTS TO AROUND
30 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54. 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 67 TO 75. 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 46 TO 54. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
WEDNESDAY
SUNNY. HIGHS 70 TO 78.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 57.
THURSDAY
SUNNY. HIGHS 73 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 74 TO 82.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS 53 TO 59. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 73 TO 81. LOWS
51 TO 57. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 77.
MTZ318-171000-
SNOWY AND JUDITH MOUNTAINS-
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 71 TO 77. LOWS 47 TO 55.
WEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 75. WEST WINDS UP
TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY 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. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 40 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 68 TO 74. SOUTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
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 48 TO 54. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS 72 TO 80.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
THURSDAY
SUNNY. HIGHS 75 TO 83.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS 76 TO 82.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS 54 TO 60. CHANCE OF SHOWERS 30 PERCENT.
SATURDAY
PARTLY SUNNY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 76 TO 82.
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
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 73 TO 79.
MTZ319-171000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS IN THE LOWER 80S. LOWS IN THE UPPER 40S. SOUTH WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
UP TO 10 MPH.
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
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 IN THE UPPER 40S. 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
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF SHOWERS
30 PERCENT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
HELENA 50 81 55 81 / 40 10 10 20
MTZ320-171000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 68 TO 76. LOWS 48 TO 53.
SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF
PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS 68 TO 76. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 20 MPH INCREASING TO 35 MPH IN THE AFTERNOON.
MONDAY 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 LOWER 50S. WEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 67 TO 75. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE WEST WITH
GUSTS TO AROUND 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 WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 68 TO 78.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS 72 TO 82.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 74 TO 84.
FRIDAY NIGHT
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF SHOWERS
30 PERCENT.
SATURDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 73 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 IN THE
MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 78.
MTZ321-171000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS IN THE MID 70S. LOWS IN THE UPPER 40S. SOUTHWEST WINDS UP
TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION
40 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 70S. SOUTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE WEST 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH IN THE AFTERNOON.
MONDAY 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 UPPER 40S. WEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 30 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 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
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. 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 LOWER 50S.
SATURDAY
MOSTLY 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 LOWER 80S. CHANCE OF
PRECIPITATION 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
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
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 68 TO 76. LOWS 44 TO 53.
SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE
OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 76. WEST WINDS UP TO 10 MPH. GUSTS UP
TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 48 TO 56. WEST WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 75. 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 45 TO 53. WEST WINDS UP TO 10 MPH. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY
SUNNY. HIGHS 69 TO 77.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 55.
THURSDAY
SUNNY. HIGHS 73 TO 81.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 58.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 74 TO 82.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 51 TO 59.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 80. 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 48 TO 56. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 77.
MTZ323-171000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS IN THE UPPER 70S. LOWS 48 TO 55. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. 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.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 51 TO 57. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 40 PERCENT.
TUESDAY
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 SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 49 TO 55. WEST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS AROUND 80.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 54 TO 60.
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
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ324-171000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS IN THE UPPER 70S. LOWS 47 TO 52. SOUTHWEST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS UP TO
10 MPH.
MONDAY 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 LOWER 50S. WEST WINDS UP TO
5 MPH. CHANCE OF PRECIPITATION 50 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 IN THE UPPER 70S. SOUTHWEST
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 AROUND 50. WEST WINDS UP TO 10 MPH. CHANCE
OF PRECIPITATION 30 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. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
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.
MTZ325-171000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 70S. LOWS
44 TO 51. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
MONDAY
MOSTLY CLOUDY. 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.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 48 TO 54. SOUTH WINDS UP TO 10 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN 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 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 45 TO 51. NORTHWEST WINDS 5 TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
40 PERCENT.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 54.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
FRIDAY NIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
52 TO 58.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE LOWER 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 49 TO 55.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF
PRECIPITATION 30 PERCENT.
MTZ326-171000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING.
HIGHS IN THE UPPER 70S. LOWS 47 TO 52. SOUTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF PRECIPITATION
50 PERCENT.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY 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 LOWER 50S. SOUTH WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 70S. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON. 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 AROUND 50. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
40 PERCENT.
WEDNESDAY
SUNNY. HIGHS AROUND 80.
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 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
SATURDAY
MOSTLY 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 80S. CHANCE OF
PRECIPITATION 40 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 LOWER 80S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 47 80 50 80 / 50 10 40 30
BOZEMAN MSU 49 79 52 78 / 50 10 40 30
MTZ330-171000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 63 TO 73. LOWS 40 TO 50. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 74. SOUTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 44 TO 52. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 73.
SOUTH WINDS UP TO 5 MPH SHIFTING TO THE WEST WITH GUSTS TO AROUND
30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 42 TO 50. WEST WINDS UP TO 10 MPH SHIFTING
TO THE SOUTHWEST AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 64 TO 74.
LOWS 45 TO 53.
THURSDAY
SUNNY. HIGHS 68 TO 78.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 56.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 71 TO 81.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS 49 TO 57.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
68 TO 78. 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 47 TO 53. CHANCE OF
PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 75. CHANCE OF
PRECIPITATION 40 PERCENT.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 34 76 39 74 / 30 20 40 40
MTZ327-171000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 64 TO 74. LOWS 37 TO 50. SOUTH WINDS UP TO
10 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 66 TO 76. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 42 TO 52. NORTHWEST WINDS UP TO
10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 64 TO 74. WEST WINDS UP TO 10 MPH. GUSTS UP
TO 25 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 39 TO 49. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 66 TO 76.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 42 TO 52.
THURSDAY
SUNNY. HIGHS 70 TO 80.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 55.
FRIDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 82. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 46 TO 56.
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 68 TO 78. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
PARTLY CLOUDY AFTER MIDNIGHT. LOWS 41 TO 51. CHANCE OF
PRECIPITATION 30 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 65 TO 75.
MTZ328-171000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. HIGHS 72 TO 78. LOWS 44 TO 50. SOUTH
WINDS UP TO 10 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 74 TO 80. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
73 TO 79. 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 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 AROUND 50.
THURSDAY
SUNNY. HIGHS 78 TO 84.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 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. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 77 TO 83. 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 IN THE LOWER 50S. CHANCE OF PRECIPITATION
30 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 75 TO 81.
TEMPERATURE / PRECIPITATION
DILLON 45 79 49 78 / 40 10 40 20
MTZ329-171000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
1232 AM MDT SUN AUG 16 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 66 TO 74. LOWS 43 TO 50. SOUTH WINDS UP TO
10 MPH.
MONDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 75. SOUTH WINDS UP TO 10 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. WEST WINDS 5 TO 10 MPH
SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
40 PERCENT.
TUESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 66 TO 74. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.
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 AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS 68 TO 76.
LOWS IN THE LOWER 50S.
THURSDAY
SUNNY. HIGHS 72 TO 80.
THURSDAY NIGHT
PARTLY CLOUDY. 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. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
70 TO 78. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
50S. HIGHS 68 TO 76. CHANCE OF PRECIPITATION 30 PERCENT.
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