343
FPUS55 KTFX 190632
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1232 AM MDT WED AUG 19 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR .TONIGHT THROUGH TODAY..., THURSDAY, THURSDAY NIGHT, AND
FRIDAY.
MTZ301-201000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE AFTER MIDNIGHT.
PATCHY SMOKE UNTIL EARLY MORNING. HIGHS 66 TO 76. LOWS IN THE
LOWER 50S. WEST WINDS 5 TO 15 MPH.
THURSDAY
SUNNY. HIGHS 68 TO 78. WEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 78. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S. SOUTHEAST WINDS 5 TO 10 MPH SHIFTING
TO THE SOUTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 79.
SATURDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
50 TO 56. CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY
BREEZY, SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 58 TO 68. CHANCE OF PRECIPITATION 20 PERCENT.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
UPPER 40S. HIGHS 62 TO 72.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. CHANCE OF PRECIPITATION 20 PERCENT.
WEDNESDAY
MOSTLY SUNNY. HIGHS 62 TO 72.
MTZ307-201000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE. HIGHS 68 TO 78.
LOWS 47 TO 53. WEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
SUNNY. HIGHS 72 TO 82. WEST WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 56. WEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HIGHS 71 TO 81. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 52 TO 58. EAST WINDS UP TO 10 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
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 70 TO 80. 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
AFTER MIDNIGHT. LOWS 49 TO 55. CHANCE OF PRECIPITATION
30 PERCENT.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS 62 TO 76. LOWS IN
THE MID 40S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS 47 TO 53. HIGHS
68 TO 78.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. HIGHS 65 TO 75.
MTZ302-201000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE AFTER MIDNIGHT.
PATCHY SMOKE UNTIL EARLY MORNING. HIGHS AROUND 80. LOWS 50 TO 55.
WEST WINDS 5 TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST
WINDS UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S. SOUTHEAST WINDS 5 TO 15 MPH SHIFTING
TO THE SOUTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S.
SATURDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF PRECIPITATION
20 PERCENT.
SUNDAY THROUGH MONDAY NIGHT
BREEZY. MOSTLY CLEAR. HIGHS IN THE
MID 70S. LOWS AROUND 50.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE LOWER 50S.
MTZ308-201000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE. HIGHS IN THE MID
80S. LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
UP TO 10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS UP TO 10 MPH SHIFTING
TO THE WEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 50S.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS AROUND 80. LOWS IN
THE LOWER 50S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80.
MTZ303-201000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. PATCHY SMOKE LATE
IN THE EVENING. HIGHS IN THE LOWER 80S. LOWS 51 TO 56. WEST WINDS
UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS UP TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS 5 TO 10 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S.
SATURDAY 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 MID 50S.
CHANCE OF PRECIPITATION 20 PERCENT.
SUNDAY THROUGH MONDAY NIGHT
BREEZY. MOSTLY CLEAR. HIGHS IN THE
UPPER 70S. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE LOWER 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
TEMPERATURE / PRECIPITATION
CUT BANK 52 83 51 80 / 0 0 0 0
MTZ304-201000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. HIGHS 80 TO 86.
LOWS IN THE MID 50S. EAST WINDS UP TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 82 TO 88. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
UP TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S.
SATURDAY 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.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 77 TO 83.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
LOWER 50S. HIGHS AROUND 80.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS 78 TO 84.
MTZ305-201000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. HIGHS IN THE MID
80S. LOWS IN THE MID 50S. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTHEAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 15 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S.
SUNDAY THROUGH MONDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
80S. LOWS IN THE MID 50S.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. HIGHS IN THE MID 80S.
LOWS IN THE MID 50S.
TEMPERATURE / PRECIPITATION
HAVRE 55 90 55 87 / 10 0 0 0
MTZ306-201000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE UNTIL LATE
AFTERNOON. HIGHS IN THE MID 80S. LOWS IN THE MID 50S. NORTHEAST
WINDS UP TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. EAST WINDS UP
TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 15 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. EAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
10 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.
SATURDAY
BREEZY. PARTLY SUNNY. HIGHS IN THE MID 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S.
SUNDAY
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 80S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
MTZ309-201000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. HIGHS IN THE MID
80S. LOWS IN THE MID 50S. WEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 25 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS UP TO
5 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
UP TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS UP TO 10 MPH.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. 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
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF PRECIPITATION
30 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 80S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 80S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
MTZ310-201000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. HIGHS IN THE
UPPER 80S. LOWS IN THE UPPER 50S. SOUTHEAST WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHEAST
WINDS UP TO 10 MPH.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS UP TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS AROUND 60. EAST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
SATURDAY 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.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S. LOWS
IN THE MID 50S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
MTZ311-201000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE UNTIL LATE
AFTERNOON. HIGHS 81 TO 87. LOWS IN THE UPPER 50S. EAST WINDS UP
TO 15 MPH.
THURSDAY
SUNNY. HIGHS 84 TO 90. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS 81 TO 87. EAST WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS 5 TO 15 MPH. GUSTS UP
TO 35 MPH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS 82 TO 88.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
IN THE LOWER 60S. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS 81 TO 87.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS 79 TO 85.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS 83 TO 89.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. HIGHS 81 TO 87.
MTZ312-201000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE. HIGHS 84 TO 90.
LOWS IN THE MID 50S. SOUTH WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS AROUND 90. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 15 MPH
SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 50S.
SUNDAY THROUGH MONDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S. LOWS
IN THE LOWER 50S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS. LOWS IN THE
MID 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 55 90 56 86 / 0 0 0 0
MTZ313-201000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. HIGHS IN THE MID
80S. LOWS 52 TO 57. SOUTHWEST WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS 5 TO 15 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 50S.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE
OF PRECIPITATION 30 PERCENT.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE MID
50S.
MTZ314-201000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE UNTIL EARLY
EVENING. HIGHS IN THE MID 80S. LOWS 55 TO 61. SOUTH WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
SUNNY. HIGHS AROUND 90. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHEAST WINDS UP TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS 5 TO 15 MPH WITH GUSTS
TO AROUND 30 MPH.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 58 TO 64.
CHANCE OF PRECIPITATION 30 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
SUNDAY NIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN SHOWERS
IN THE EVENING. LOWS 54 TO 60.
MONDAY
SUNNY. HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF RAIN SHOWERS. HIGHS IN THE UPPER 80S. LOWS 56 TO 62.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 52 87 54 84 / 0 0 0 0
MTZ315-201000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE EARLY IN THE
MORNING. HIGHS 71 TO 81. LOWS 47 TO 55. WEST WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 86. WEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 60. NORTHWEST WINDS UP
TO 10 MPH.
FRIDAY
SUNNY. HIGHS 76 TO 86. NORTH WINDS UP TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 53 TO 61. NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 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 51 TO 57. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 68 TO 76.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS
71 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 56.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS 49 TO 55.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 69 TO 77.
MTZ316-201000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE. HIGHS 79 TO 87.
LOWS 52 TO 57. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 84 TO 92. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS UP TO 10 MPH.
FRIDAY
SUNNY. HIGHS 81 TO 89. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
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 79 TO 87. 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 UPPER 50S. CHANCE OF PRECIPITATION
40 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 75 TO 81.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS 78 TO 84.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS 78 TO 86.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 76 TO 82.
MTZ317-201000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 72 TO 80. LOWS 48 TO 58.
SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 84. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS 53 TO 59. NORTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTH AFTER
MIDNIGHT.
FRIDAY
SUNNY. HIGHS 75 TO 83. WEST WINDS UP TO 5 MPH SHIFTING
TO THE NORTH WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 55 TO 61. EAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 30 MPH.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 74 TO 82. 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 52 TO 60. CHANCE OF PRECIPITATION
30 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 71 TO 79.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 48 TO 54. HIGHS
71 TO 79.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 51 TO 57.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 81.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS 50 TO 58.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 71 TO 79.
MTZ318-201000-
SNOWY AND JUDITH MOUNTAINS-
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
PARTLY CLOUDY. PATCHY SMOKE. HIGHS 74 TO 80.
LOWS 51 TO 57. SOUTH WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS 78 TO 86. SOUTHWEST WINDS 5 TO 10 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS 75 TO 81. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 55 TO 61. SOUTHEAST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. HIGHS 75 TO 83.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER
50S. CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 83. CHANCE OF
PRECIPITATION 30 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S.
MONDAY
SUNNY. HIGHS 74 TO 80.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 75 TO 83.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 73 TO 81.
MTZ319-201000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE EARLY IN THE
MORNING. HIGHS IN THE MID 80S. LOWS 49 TO 54. SOUTHWEST WINDS UP
TO 10 MPH.
THURSDAY
SUNNY. HIGHS AROUND 90. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
5 TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS AROUND 90. NORTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
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 IN THE MID 80S. 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 MID 50S. CHANCE OF PRECIPITATION
30 PERCENT.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 80S.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
CHANCE OF PRECIPITATION 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
HELENA 52 91 58 90 / 0 0 0 0
MTZ320-201000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 70 TO 80. LOWS 49 TO 55.
SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
SUNNY. HIGHS 75 TO 85. SOUTH WINDS UP TO 10 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE
EAST AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS 76 TO 86. WEST WINDS UP TO 10 MPH. GUSTS
UP TO 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 30 MPH.
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. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 70 TO 80. CHANCE OF PRECIPITATION 20 PERCENT.
SUNDAY NIGHT
MOSTLY CLEAR. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
MONDAY
SUNNY. HIGHS 71 TO 79.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 80.
TUESDAY 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.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 70 TO 78.
MTZ321-201000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. LOWS
46 TO 52. SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS UP TO 5 MPH
WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST WITH GUSTS TO
AROUND 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
FRIDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S. EAST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER
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 UPPER 70S.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS AROUND 80.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 50.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.
MTZ322-201000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE EARLY IN THE
MORNING. HIGHS 71 TO 81. LOWS 47 TO 55. WEST WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 86. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59. NORTHWEST WINDS
UP TO 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 77 TO 85. WEST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 53 TO 61. NORTHEAST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN 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. LOWS 50 TO 56.
CHANCE OF PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 53.
MONDAY
SUNNY. HIGHS 71 TO 79.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 49 TO 55.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 71 TO 79. CHANCE OF
PRECIPITATION 30 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 70 TO 78.
MTZ323-201000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 80S. LOWS
50 TO 57. SOUTH WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 54 TO 60. NORTH WINDS UP TO
5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS UP TO 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
UP TO 10 MPH.
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 IN THE MID 80S. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. 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 LOWER 80S.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 80S.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
52 TO 58.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 51 TO 57. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ324-201000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE MID 80S. LOWS 49 TO
54. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS UP TO
5 MPH. GUSTS UP TO 20 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS UP TO
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S. NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE WEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH 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. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE
OF PRECIPITATION 50 PERCENT.
TUESDAY 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.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
MTZ325-201000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 80S. LOWS
46 TO 54. SOUTH WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59. SOUTH WINDS UP TO
10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 50S. NORTHEAST WINDS UP TO 10 MPH
SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF PRECIPITATION
70 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 50 TO 56.
CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 80S.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 47 TO 53. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 49 TO 55.
TUESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 80.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 47 TO 53. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
MTZ326-201000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER 80S. LOWS
49 TO 54. SOUTH WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND 20 MPH IN
THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
5 TO 10 MPH.
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 AND SUNDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. LOWS IN THE LOWER 50S.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE
OF PRECIPITATION 40 PERCENT.
TUESDAY 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.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 49 90 53 91 / 0 0 0 0
BOZEMAN MSU 52 88 57 89 / 0 0 0 0
MTZ330-201000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 68 TO 78. LOWS 44 TO 52.
SOUTH WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS 73 TO 83. SOUTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 50 TO 58. SOUTHWEST WINDS
UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 74 TO 84. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 52 TO 58. NORTHEAST WINDS UP TO 10 MPH SHIFTING TO
THE SOUTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 68 TO 78. CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54.
CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
66 TO 76. CHANCE OF PRECIPITATION 50 PERCENT.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 45 TO 51. HIGHS 66 TO 76.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 45 TO 53. CHANCE OF
PRECIPITATION 30 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
65 TO 75. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 45 TO 51. CHANCE OF
PRECIPITATION 50 PERCENT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 64 TO 74. CHANCE
OF PRECIPITATION 30 PERCENT.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 38 84 45 88 / 0 0 0 0
MTZ327-201000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE EARLY IN THE
MORNING. HIGHS 69 TO 79. LOWS 40 TO 52. SOUTHWEST WINDS UP TO
15 MPH.
THURSDAY
WARMER, SUNNY. HIGHS 75 TO 85. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58. NORTHWEST WINDS
UP TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS 76 TO 86. SOUTHWEST WINDS UP TO
10 MPH.
FRIDAY 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. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 68 TO 78. CHANCE OF PRECIPITATION
70 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 43 TO 53. CHANCE OF
PRECIPITATION 40 PERCENT.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 67 TO 77.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50.
MONDAY
SUNNY. HIGHS 68 TO 78.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 44 TO 52.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 67 TO 77. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 41 TO 51. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 65 TO 75. CHANCE
OF PRECIPITATION 30 PERCENT.
MTZ328-201000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. PATCHY SMOKE IN THE MORNING.
HIGHS 78 TO 84. LOWS 47 TO 52. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY
SUNNY. HIGHS 83 TO 89. SOUTHWEST WINDS UP TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS 83 TO 89. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS
IN THE MID 50S. NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT. CHANCE OF SHOWERS 40 PERCENT.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 77 TO 83. CHANCE OF PRECIPITATION
70 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 77 TO 83.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
MONDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 76 TO 82.
MONDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS IN THE LOWER 50S.
TUESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 81. CHANCE OF
PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 74 TO 80.
TEMPERATURE / PRECIPITATION
DILLON 48 87 53 88 / 0 0 0 0
MTZ329-201000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
1232 AM MDT WED AUG 19 2026
REST OF TONIGHT
MOSTLY CLEAR. HIGHS 71 TO 79. LOWS 47 TO 53.
SOUTHWEST WINDS UP TO 15 MPH.
THURSDAY
SUNNY. HIGHS 76 TO 84. SOUTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HIGHS 77 TO 85. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
FRIDAY 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 50S. NORTHEAST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 70 TO 78. CHANCE OF PRECIPITATION
70 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
50 PERCENT.
SUNDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 69 TO 77.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
MONDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 77. CHANCE OF
PRECIPITATION 30 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 AROUND 50. CHANCE OF
PRECIPITATION 30 PERCENT.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
67 TO 75. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 66 TO 74. CHANCE
OF PRECIPITATION 30 PERCENT.
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