990
FPUS55 KTFX 180632
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
1232 AM MDT SAT JUL 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR .TONIGHT THROUGH TODAY..., SUNDAY, SUNDAY NIGHT, AND
MONDAY.
MTZ301-191000-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 70 TO 82. LOWS 52 TO 60. SOUTHWEST WINDS
5 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.
SUNDAY
BREEZY, SUNNY. HIGHS 69 TO 79. SOUTHWEST WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH SHIFTING TO THE WEST 15 TO
25 MPH WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON.
SUNDAY NIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
LOWS 48 TO 54. WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
35 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 65 TO 75. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 50 TO 56. EAST WINDS UP TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS 68 TO 78.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 72 TO 82.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS
IN THE UPPER 50S.
THURSDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 82. CHANCE
OF PRECIPITATION 30 PERCENT.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS 73 TO 83.
FRIDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 56 TO 62.
SATURDAY
SUNNY. HIGHS 72 TO 84.
MTZ307-191000-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 73 TO 85. LOWS 51 TO 58. WEST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
SUNNY. HIGHS 71 TO 83. WEST WINDS 5 TO 15 MPH. GUSTS UP
TO 30 MPH INCREASING TO 40 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 48 TO 54. WEST WINDS UP TO
15 MPH. GUSTS UP TO 35 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS 68 TO 78. NORTHEAST WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 51 TO 57. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 69 TO 79. LOWS
53 TO 59.
WEDNESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 73 TO 83.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 54 TO 60.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 73 TO 83. CHANCE
OF PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS IN THE EVENING. LOWS 54 TO 60.
FRIDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 85. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. LOWS 55 TO 61. HIGHS 74 TO 86.
MTZ302-191000-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS 55 TO 60. SOUTHWEST
WINDS UP TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY
BREEZY, SUNNY. HIGHS 81 TO 87. WEST WINDS 5 TO 10 MPH
INCREASING TO 15 TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
5 TO 15 MPH. GUSTS UP TO 35 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN SHOWERS. HIGHS IN THE MID 80S. LOWS IN THE UPPER
50S.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 80S. LOWS IN THE
LOWER 60S.
SATURDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 80S.
MTZ308-191000-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS AROUND 60. WEST WINDS
UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS UP TO
10 MPH SHIFTING TO THE WEST WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS UP TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 80S.
LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS AROUND 90.
WEDNESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS
IN THE EVENING. LOWS IN THE LOWER 60S.
THURSDAY
MOSTLY SUNNY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS
IN THE EVENING. LOWS IN THE LOWER 60S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 90S.
FRIDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 90S.
MTZ303-191000-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS 56 TO 61. WEST WINDS
UP TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS 5 TO 10 MPH
INCREASING TO 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.
LOWS IN THE MID 50S. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH
DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY
SUNNY. HIGHS IN THE LOWER 80S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE UPPER 80S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S.
FRIDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 90S.
TEMPERATURE / PRECIPITATION
CUT BANK 58 87 55 79 / 20 0 0 0
MTZ304-191000-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
PATCHY FOG EARLY IN THE MORNING. PARTLY CLOUDY WITH A 40 PERCENT
CHANCE OF THUNDERSTORMS. HIGHS 90 TO 96. LOWS IN THE LOWER 60S.
WEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
SUNNY. HIGHS 87 TO 93. WEST WINDS 5 TO 10 MPH
INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 10 TO 20 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 78 TO 84. NORTHWEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS UP TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS 82 TO 88.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS 86 TO 92.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS 86 TO 92.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
FRIDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGHS 90 TO 96.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
SATURDAY
SUNNY. HIGHS 91 TO 97.
MTZ305-191000-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 90S. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS UP TO 15 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO 15 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
NOT AS WARM. SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS UP TO 15 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS IN THE LOWER 60S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
SATURDAY
SUNNY. HIGHS IN THE MID 90S.
TEMPERATURE / PRECIPITATION
HAVRE 63 95 58 86 / 70 0 0 0
MTZ306-191000-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.
SUNDAY
BREEZY, SUNNY. HIGHS 89 TO 95. WEST WINDS 10 TO 15 MPH
INCREASING TO 15 TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH IN THE EVENING.
MONDAY
NOT AS WARM. SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 80S.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS AROUND 90.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS AROUND 90. LOWS IN THE LOWER 60S.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
30 PERCENT.
SATURDAY
SUNNY. HIGHS IN THE MID 90S.
MTZ309-191000-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 90S. LOWS AROUND 60. WEST WINDS
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. WEST WINDS UP TO 5 MPH
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
NOT AS WARM. SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS
5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH
DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 80S.
LOWS AROUND 60.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 90S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF PRECIPITATION
30 PERCENT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 90S.
MTZ310-191000-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT, THEN
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. PATCHY FOG
EARLY IN THE MORNING. PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 90S. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH.
MONDAY
NOT AS WARM. SUNNY. HIGHS IN THE MID 80S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS UP TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SHOWERS. LOWS IN THE MID
60S.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS IN THE MID 60S.
FRIDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 90S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS IN THE MID 60S. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 90S.
MTZ311-191000-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS. HIGHS 89 TO 95. LOWS IN THE MID 60S. SOUTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF
PRECIPITATION 70 PERCENT.
SUNDAY
SUNNY. HIGHS 89 TO 95. WEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHWEST WINDS UP
TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS 80 TO 86. NORTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS
5 TO 15 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY. HIGHS 81 TO 87.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS 87 TO 93.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 60S.
THURSDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 87 TO 93. CHANCE
OF PRECIPITATION 30 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 60S.
FRIDAY
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 90 TO 96.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 60S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
SUNNY. HIGHS 91 TO 97.
MTZ312-191000-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 90 TO 96. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS 90 TO 96. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
WEST AFTER MIDNIGHT.
MONDAY
NOT AS WARM. SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS
UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH
DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 89 TO 95.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN
THE LOWER 60S. CHANCE OF SHOWERS 30 PERCENT.
THURSDAY
MOSTLY SUNNY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 88 TO 94. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 92 TO 98. LOWS IN THE MID
60S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 92 TO 98.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 61 95 59 84 / 30 0 0 0
MTZ313-191000-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS AROUND 90. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS UP TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
NOT AS WARM. SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST
WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 80S.
LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 80S.
WEDNESDAY 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 60. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
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 80S. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS AROUND 60. CHANCE OF PRECIPITATION
40 PERCENT.
FRIDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
90.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 90S. CHANCE OF PRECIPITATION 40 PERCENT.
MTZ314-191000-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS 60 TO 68. SOUTHWEST
WINDS UP TO 10 MPH.
SUNDAY
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 90S. WEST WINDS 5 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 64. NORTHWEST WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS 82 TO 88. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 57 TO 63. NORTH WINDS 5 TO
15 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 80S.
LOWS 60 TO 66.
WEDNESDAY
MOSTLY SUNNY. HIGHS 88 TO 94.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 61 TO 67. CHANCE OF
PRECIPITATION 30 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 88 TO 94. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. A 20 PERCENT CHANCE
OF THUNDERSTORMS. LOWS 61 TO 67. HIGHS 91 TO 97.
FRIDAY 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 63 TO 69.
CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 91 TO 97.
TEMPERATURE / PRECIPITATION
LEWISTOWN 56 90 54 82 / 50 20 10 0
MTZ315-191000-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE AFTERNOON. HIGHS 78 TO 88. LOWS 54 TO
60. WEST WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS 77 TO 87. WEST WINDS UP TO 15 MPH. GUSTS
UP TO 30 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 58. WEST WINDS UP TO
15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS 72 TO 82. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 54 TO 60. NORTHEAST WINDS 5 TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 74 TO 84. LOWS
56 TO 62.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 88. CHANCE
OF PRECIPITATION 40 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 57 TO 63. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 77 TO 87. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. LOWS 57 TO 63. CHANCE OF PRECIPITATION 20 PERCENT.
FRIDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 79 TO 89.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 57 TO 63. HIGHS
79 TO 89. CHANCE OF PRECIPITATION 40 PERCENT.
MTZ316-191000-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 85 TO 93. LOWS AROUND 60. SOUTHWEST WINDS UP
TO 10 MPH.
SUNDAY
SUNNY. HIGHS 85 TO 93. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO 5 MPH
AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 77 TO 85. NORTH WINDS UP TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS UP TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS 80 TO 88. LOWS
IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 84 TO 92.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN
THE LOWER 60S. CHANCE OF SHOWERS 40 PERCENT.
THURSDAY
MOSTLY SUNNY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 84 TO 92. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
FRIDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 87 TO 95.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS
86 TO 94. CHANCE OF PRECIPITATION 40 PERCENT.
MTZ317-191000-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 78 TO 86. LOWS 54 TO 63. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS 78 TO 86. SOUTHWEST WINDS UP TO 10 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 53 TO 59. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH DECREASING TO UP TO 5 MPH
AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 72 TO 78. NORTHWEST WINDS UP TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 52 TO 58. NORTHEAST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 73 TO 81.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS 55 TO 63.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 77 TO 85. CHANCE
OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 55 TO 63. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
76 TO 84. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY 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 55 TO 63.
CHANCE OF PRECIPITATION 40 PERCENT.
FRIDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO
86.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 56 TO 64. HIGHS
79 TO 87. CHANCE OF PRECIPITATION 40 PERCENT.
MTZ318-191000-
SNOWY AND JUDITH MOUNTAINS-
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 81 TO 89. LOWS 57 TO 64. SOUTHWEST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 81 TO 89. WEST WINDS UP TO 10 MPH WITH GUSTS
TO AROUND 25 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 55 TO 61. NORTHWEST WINDS UP
TO 10 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS 73 TO 81. NORTHWEST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 58. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE EAST AFTER
MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 74 TO 80.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. LOWS 56 TO 62.
WEDNESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 78 TO 86.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 57 TO 63. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 86. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 57 TO 63. CHANCE OF PRECIPITATION
30 PERCENT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 81 TO 87. LOWS 59 TO
65. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 82 TO 88. CHANCE
OF PRECIPITATION 30 PERCENT.
MTZ319-191000-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE AFTERNOON. HIGHS IN THE LOWER 90S. LOWS
IN THE UPPER 50S. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH SHIFTING TO THE WEST UP TO 5 MPH AFTER
MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS 10 TO 15 MPH SHIFTING
TO THE NORTHWEST AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. LOWS AROUND 60.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 90S. CHANCE OF
PRECIPITATION 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 90S.
THURSDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY WITH A 40 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS IN THE LOWER 60S.
TEMPERATURE / PRECIPITATION
HELENA 61 94 59 87 / 50 10 0 0
MTZ320-191000-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 77 TO 87. LOWS 56 TO 61. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS 78 TO 88. SOUTHWEST WINDS UP TO 5 MPH WITH
GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST 5 TO 15 MPH WITH
GUSTS TO AROUND 35 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS
UP TO 15 MPH. GUSTS UP TO 35 MPH IN THE EVENING.
MONDAY
SUNNY. HIGHS 74 TO 84. NORTH WINDS UP TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 74 TO 84.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 77 TO 87. CHANCE
OF PRECIPITATION 40 PERCENT.
WEDNESDAY 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 60. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
76 TO 86. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
FRIDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 77 TO
87.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 87. CHANCE
OF PRECIPITATION 40 PERCENT.
MTZ321-191000-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS EARLY IN THE AFTERNOON. HIGHS IN THE MID 80S. LOWS IN THE
MID 50S. SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS UP TO
5 MPH INCREASING TO WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH
IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE
NORTH UP TO 5 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.
TUESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.
CHANCE OF PRECIPITATION 40 PERCENT.
WEDNESDAY 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. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE MID 80S. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY 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
30 PERCENT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. A 40 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN THE UPPER 50S.
SATURDAY
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S.
CHANCE OF PRECIPITATION 30 PERCENT.
MTZ322-191000-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 78 TO 88. LOWS 52 TO 61. WEST WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS 78 TO 88. WEST WINDS UP TO 5 MPH
INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 60. NORTHWEST WINDS UP
TO 15 MPH.
MONDAY
SUNNY. HIGHS 74 TO 84. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 60. NORTH WINDS UP TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 75 TO 85.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 55 TO 63.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 77 TO 87.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. LOWS 55 TO 63. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
76 TO 86. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 55 TO 63. CHANCE OF PRECIPITATION
40 PERCENT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 79 TO 87. LOWS 55 TO 63.
SATURDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO
88.
MTZ323-191000-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS AROUND 90. LOWS AROUND 60. SOUTHEAST WINDS
UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHWEST WINDS UP
TO 15 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
80S. LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 90.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF
PRECIPITATION 40 PERCENT.
THURSDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
THURSDAY NIGHT
PARTLY CLOUDY. A 30 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY WITH A 40 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS IN THE LOWER 60S.
MTZ324-191000-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 90S. LOWS IN THE UPPER 50S.
WEST WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS UP TO
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 15 MPH DECREASING TO UP TO 5 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS
UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S.
WEDNESDAY
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 90.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF PRECIPITATION
50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 80S. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY 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 60S. CHANCE OF PRECIPITATION
40 PERCENT.
FRIDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND
90.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE LOWER 60S.
SATURDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 90S.
MTZ325-191000-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. HIGHS IN THE
UPPER 80S. LOWS 54 TO 59. SOUTH WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
5 TO 15 MPH SHIFTING TO THE NORTHEAST UP TO 5 MPH AFTER MIDNIGHT.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS 56 TO 62.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 80S.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 55 TO 61. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF PRECIPITATION
70 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 54 TO 60. CHANCE OF PRECIPITATION
50 PERCENT.
FRIDAY
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 80S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 55 TO 61.
SATURDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
MTZ326-191000-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS AROUND 90. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS UP TO 5 MPH.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. SOUTH WINDS UP TO 5 MPH
SHIFTING TO THE WEST WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS
5 TO 15 MPH SHIFTING TO THE EAST 5 TO 10 MPH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 80S.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS AROUND 90.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND 60. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN
THE UPPER 80S. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
FRIDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE
UPPER 80S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS AROUND 60.
SATURDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS AROUND 90.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 57 93 56 90 / 30 10 10 0
BOZEMAN MSU 57 91 58 88 / 30 10 10 0
MTZ330-191000-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 74 TO 84. LOWS 50 TO 58. SOUTH WINDS UP TO
10 MPH.
SUNDAY
SUNNY. HIGHS 73 TO 85. SOUTH WINDS UP TO 5 MPH SHIFTING
TO THE WEST 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 58. NORTHWEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE NORTH AFTER
MIDNIGHT.
MONDAY
SUNNY. HIGHS 74 TO 84. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. LOWS 51 TO 57. NORTHEAST WINDS UP TO
15 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS 72 TO 82. LOWS 53 TO 59.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 82. CHANCE OF PRECIPITATION
70 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 51 TO 59. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 70 TO 80. CHANCE OF PRECIPITATION 70 PERCENT.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. A 50 PERCENT CHANCE
OF THUNDERSTORMS. LOWS 51 TO 59. HIGHS 71 TO 81.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS 52 TO 58.
SATURDAY
PARTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 72 TO 82.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 48 86 48 87 / 20 0 0 0
MTZ327-191000-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS EARLY IN THE AFTERNOON. HIGHS 74 TO 84. LOWS 47 TO 56.
SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS 75 TO 85. WEST WINDS UP TO 5 MPH
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 56. NORTHWEST WINDS
5 TO 15 MPH SHIFTING TO THE NORTH UP TO 5 MPH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 74 TO 84. NORTHEAST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 49 TO 57. NORTHEAST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 74 TO 84.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 51 TO 59. CHANCE OF
PRECIPITATION 40 PERCENT.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 73 TO 83.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. LOWS 50 TO 58. CHANCE OF
PRECIPITATION 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
72 TO 82. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY 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 50 TO 58.
CHANCE OF PRECIPITATION 40 PERCENT.
FRIDAY
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A
50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 74 TO
82.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 49 TO 57. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 83.
MTZ328-191000-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF
THUNDERSTORMS. PATCHY FOG EARLY IN THE MORNING. HIGHS 84 TO 90.
LOWS IN THE MID 50S. SOUTHWEST WINDS UP TO 10 MPH.
SUNDAY
SUNNY. HIGHS 86 TO 92. SOUTHWEST WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS 83 TO 89. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST
WINDS UP TO 15 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 82 TO 88.
TUESDAY 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.
WEDNESDAY
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. HIGHS 82 TO 88.
WEDNESDAY 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 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
81 TO 87. CHANCE OF PRECIPITATION 50 PERCENT.
THURSDAY 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.
FRIDAY
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 82 TO 88.
FRIDAY 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
50 PERCENT.
SATURDAY
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 83 TO 89.
TEMPERATURE / PRECIPITATION
DILLON 55 90 55 87 / 30 0 0 0
MTZ329-191000-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
1232 AM MDT SAT JUL 18 2026
REST OF TONIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 76 TO 84. LOWS 52 TO 57. SOUTHWEST WINDS UP
TO 10 MPH.
SUNDAY
SUNNY. HIGHS 77 TO 85. SOUTHWEST WINDS UP TO 5 MPH
SHIFTING TO THE WEST 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS UP TO 15 MPH.
MONDAY
SUNNY. HIGHS 76 TO 84. NORTH WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST
WINDS UP TO 15 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. A 50 PERCENT CHANCE
OF THUNDERSTORMS. HIGHS 75 TO 83. LOWS IN THE UPPER 50S.
WEDNESDAY
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 74 TO 82. CHANCE
OF PRECIPITATION 70 PERCENT.
WEDNESDAY 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 50 PERCENT.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 81. CHANCE OF PRECIPITATION
60 PERCENT.
THURSDAY 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.
FRIDAY
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 81.
FRIDAY 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
50 PERCENT.
SATURDAY
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 73 TO 81.
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