815
FPUS55 KTFX 180937
ZFPTFX
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA
NATIONAL WEATHER SERVICE GREAT FALLS MT
336 AM MDT SUN OCT 18 2026
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION
ARE FOR TODAY, TONIGHT, AND MONDAY.
MTZ301-182200-
EAST GLACIER PARK REGION-
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,
SAINT MARY, MARIAS PASS, AND LOGAN PASS
336 AM MDT SUN OCT 18 2026
TODAY
SUNNY. HIGHS 44 TO 54. SOUTH WINDS UP TO 10 MPH.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS UP TO 10 MPH.
MONDAY
NOT AS COOL. PARTLY SUNNY. HIGHS 50 TO 62. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS 33 TO 39. SOUTHWEST WINDS UP
TO 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 45 TO 53. NORTHEAST WINDS UP TO
10 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S.
HIGHS 51 TO 63.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS 39 TO 45.
HIGHS 52 TO 62.
THURSDAY NIGHT AND FRIDAY
COLDER. RAIN AND SNOW LIKELY. LIGHT
SNOW ACCUMULATIONS. LOWS 33 TO 39. HIGHS 37 TO 45. CHANCE OF
PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN IN
THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 25 TO 31.
CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
32 TO 40.
MTZ307-182200-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE CITY OF ROGERS PASS
336 AM MDT SUN OCT 18 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
47 TO 55. SOUTHWEST WINDS UP TO 10 MPH.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS UP TO
10 MPH.
MONDAY
NOT AS COOL. PARTLY SUNNY. HIGHS 54 TO 64. SOUTHWEST
WINDS UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 35 TO 41. WEST WINDS UP TO 5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 49 TO 57. NORTH WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
NOT AS COOL. SUNNY. HIGHS 54 TO 64.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN. LOWS 38 TO 44. HIGHS 53 TO 63.
THURSDAY NIGHT
RAIN LIKELY. LOWS 34 TO 40. CHANCE OF RAIN
70 PERCENT.
FRIDAY
COOLER. CLOUDY WITH RAIN AND SNOW LIKELY IN THE
MORNING, THEN PARTLY SUNNY WITH CHANCE OF RAIN AND SNOW IN THE
AFTERNOON. MODERATE SNOW ACCUMULATIONS. NEAR STEADY TEMPERATURE
IN THE UPPER 30S. CHANCE OF PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN IN
THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS
25 TO 31. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS
34 TO 42.
MTZ302-182200-
NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER
336 AM MDT SUN OCT 18 2026
TODAY
COOLER, SUNNY. HIGHS IN THE MID 50S. SOUTHWEST WINDS UP
TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS UP TO
10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH
WINDS UP TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
WARMER. MOSTLY CLEAR. LOWS IN THE
MID 30S. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS AROUND 40.
FRIDAY AND FRIDAY NIGHT
COOLER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF RAIN AND SNOW. HIGHS IN THE UPPER 40S. LOWS
IN THE LOWER 30S.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
AFTERNOON. HIGHS IN THE LOWER 40S.
MTZ308-182200-
SOUTHERN HIGH PLAINS-
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING. HIGHS IN THE UPPER 50S. WEST WINDS UP TO 5 MPH SHIFTING
TO THE EAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
UP TO 5 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
NORTHWEST WINDS UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING
TO THE NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY
WARMER, SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS IN THE LOWER 40S.
FRIDAY
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. NEAR STEADY
TEMPERATURE IN THE MID 40S. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT.
LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE AFTERNOON. HIGHS IN THE MID 40S.
MTZ303-182200-
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA
336 AM MDT SUN OCT 18 2026
TODAY
COOLER, SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHEAST WINDS
5 TO 15 MPH DECREASING TO UP TO 5 MPH AFTER MIDNIGHT.
MONDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS
UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
UP TO 5 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS 5 TO
15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER
30S. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE UPPER 60S.
THURSDAY NIGHT AND FRIDAY
COOLER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF RAIN. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE
OF SNOW IN THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS AROUND 30. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.
TEMPERATURE / PRECIPITATION
CUT BANK 57 32 61 / 0 0 0
MTZ304-182200-
EASTERN TOOLE AND LIBERTY-
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,
LOTHAIR, AND WHITLASH
336 AM MDT SUN OCT 18 2026
TODAY
COOLER, SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
UP TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS
UP TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
UP TO 5 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS 54 TO 60. NORTH WINDS 5 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 30S.
HIGHS IN THE MID 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS 37 TO 43.
HIGHS IN THE UPPER 60S.
THURSDAY NIGHT AND FRIDAY
COOLER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF RAIN. LOWS AROUND 40. HIGHS IN THE LOWER
50S.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ305-182200-
HILL COUNTY-
INCLUDING THE CITY OF HAVRE
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY SUNNY. HIGHS AROUND 60. NORTH WINDS UP TO
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP
TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS UP TO 5 MPH SHIFTING TO
THE NORTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT AND FRIDAY
COOLER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF RAIN. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 50S.
FRIDAY NIGHT
BREEZY. MOSTLY CLOUDY. CHANCE OF RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.
TEMPERATURE / PRECIPITATION
HAVRE 62 35 66 / 0 0 0
MTZ306-182200-
NORTHERN BLAINE COUNTY-
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,
AND FORT BELKNAP
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST
WINDS UP TO 10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE MORNING.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS UP
TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE UPPER 60S.
THURSDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE LOWER 40S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS IN THE UPPER 50S.
FRIDAY NIGHT
BREEZY. MOSTLY CLOUDY. CHANCE OF RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE
LOWER 30S. CHANCE OF RAIN 40 PERCENT.
SATURDAY
BREEZY, COOLER. MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ309-182200-
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING. HIGHS IN THE UPPER 50S. NORTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE EAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.
TUESDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE UPPER 50S.
NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
WARMER, SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT AND FRIDAY
COOLER. MOSTLY CLOUDY. A 50 PERCENT
CHANCE OF RAIN. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S.
FRIDAY NIGHT
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ310-182200-
WESTERN AND CENTRAL CHOUTEAU COUNTY-
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS
AROUND 60. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE EAST 5 TO
15 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS UP TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP
TO 5 MPH. GUSTS UP TO 25 MPH IN THE MORNING.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
UP TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS AROUND 70.
THURSDAY NIGHT AND FRIDAY
COOLER. MOSTLY CLOUDY WITH A
50 PERCENT CHANCE OF RAIN. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 50S.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE MID 30S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.
MTZ311-182200-
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-
INCLUDING THE CITY OF ROCKY BOY
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS
54 TO 60. NORTH WINDS UP TO 5 MPH SHIFTING TO THE EAST IN THE
AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP
TO 10 MPH. GUSTS UP TO 25 MPH IN THE MORNING.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS UP TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY
SUNNY. HIGHS IN THE MID 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS AROUND 70.
THURSDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 52 TO 58.
FRIDAY NIGHT
BREEZY, COLDER. MOSTLY CLOUDY. CHANCE OF RAIN IN
THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN
THE MID 30S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ312-182200-
CASCADE COUNTY BELOW 5000FT-
INCLUDING THE CITY OF GREAT FALLS
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY CLOUDY EARLY IN THE MORNING THEN
CLEARING. HIGHS AROUND 60. EAST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS UP TO
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. GUSTS UP TO 25 MPH.
MONDAY
MOSTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
TUESDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST
WINDS UP TO 5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY
WARMER, SUNNY. HIGHS AROUND 70.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS IN THE MID 40S.
FRIDAY
COOLER. MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON. NEAR STEADY TEMPERATURE IN THE
UPPER 40S. CHANCE OF RAIN 60 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS
IN THE MID 30S. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S.
TEMPERATURE / PRECIPITATION
GREAT FALLS ARPT 60 38 71 / 0 0 0
MTZ313-182200-
JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,
BENCHLAND, HOBSON, AND MOCCASIN
336 AM MDT SUN OCT 18 2026
TODAY
COOLER, SUNNY. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS
UP TO 5 MPH INCREASING TO 5 TO 15 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY
WARMER, SUNNY. HIGHS AROUND 70. SOUTH WINDS 5 TO 10 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH.
TUESDAY
COOLER. MOSTLY SUNNY. HIGHS AROUND 60. WEST WINDS UP
TO 10 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE LOWER 40S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,
THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER
50S. CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY NIGHT
BREEZY, COLDER. MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF RAIN AND SNOW. LOWS AROUND 30.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ314-182200-
FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER AND LEWISTOWN
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST
WINDS UP TO 5 MPH SHIFTING TO THE EAST 5 TO 15 MPH IN THE
AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTHEAST WINDS
5 TO 15 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 58 TO 64. WEST WINDS UP TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S.
THURSDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
HIGHS 53 TO 59.
FRIDAY NIGHT
BREEZY, COLDER. MOSTLY CLOUDY. CHANCE OF RAIN IN
THE EVENING, THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 32 TO 38. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
COOLER. MOSTLY SUNNY. HIGHS IN THE MID 40S.
TEMPERATURE / PRECIPITATION
LEWISTOWN 58 35 71 / 0 0 0
MTZ315-182200-
UPPER BLACKFOOT AND MACDONALD PASS-
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,
AND MACDONALD PASS
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 51 TO
59. SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE
AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS 33 TO 39. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTH WITH GUSTS TO AROUND 20 MPH AFTER
MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 57 TO 65. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 41. SOUTH WINDS UP TO
5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 53 TO 61. WEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 39.
WEDNESDAY
SUNNY. HIGHS 57 TO 65.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. A 20 PERCENT
CHANCE OF RAIN. LOWS 38 TO 44. HIGHS 56 TO 64.
THURSDAY NIGHT
RAIN LIKELY. LOWS 35 TO 41. CHANCE OF RAIN
70 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE
MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS
41 TO 47. CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE
UPPER 20S. CHANCE OF PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS 37 TO 43.
MTZ316-182200-
GATES OF THE MOUNTAINS-
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 56 TO
62. WEST WINDS UP TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
TONIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS UP
TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS 62 TO 68. SOUTH WINDS 5 TO 15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 56 TO 62. WEST WINDS UP TO 5 MPH
SHIFTING TO THE NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY
SUNNY. HIGHS 62 TO 68.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS 63 TO 69.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 40S. CHANCE OF
RAIN 60 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 47 TO 53. CHANCE
OF PRECIPITATION 60 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN AND
SNOW IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS 41 TO 47.
MTZ317-182200-
LITTLE BELT AND HIGHWOOD MOUNTAINS-
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS
336 AM MDT SUN OCT 18 2026
TODAY
MOSTLY SUNNY. HIGHS 49 TO 57. SOUTH WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 33 TO 41. SOUTH WINDS 5 TO 15 MPH
WITH GUSTS TO AROUND 35 MPH.
MONDAY
WARMER. MOSTLY SUNNY. HIGHS 57 TO 65. SOUTH WINDS 5 TO
15 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 43. SOUTH WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 53 TO 59. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 57 TO 65.
LOWS 40 TO 48.
THURSDAY
MOSTLY SUNNY. HIGHS 59 TO 67.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS 37 TO 43.
FRIDAY
COOLER. RAIN AND SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. NEAR STEADY TEMPERATURE IN THE LOWER 40S. CHANCE
OF PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
RAIN AND SNOW. LOWS 26 TO 32.
SATURDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 37 TO 43.
MTZ318-182200-
SNOWY AND JUDITH MOUNTAINS-
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. PARTLY SUNNY EARLY IN THE MORNING THEN CLEARING.
HIGHS 49 TO 55. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST
5 TO 15 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTHEAST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.
MONDAY
WARMER, SUNNY. HIGHS 61 TO 69. SOUTH WINDS UP TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 55 TO 61. WEST WINDS UP TO 10 MPH
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY
SUNNY. HIGHS 58 TO 66.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS 63 TO 71.
THURSDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE LOWER 40S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,
THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS 48 TO 54.
CHANCE OF PRECIPITATION 60 PERCENT.
FRIDAY NIGHT
BREEZY, COLDER. MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF RAIN AND SNOW. LOWS IN THE LOWER 30S.
SATURDAY
MOSTLY SUNNY. HIGHS 38 TO 44.
MTZ319-182200-
HELENA VALLEY-
INCLUDING THE CITY OF HELENA
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS
UP TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS
UP TO 10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. LIGHT WINDS
BECOMING NORTH UP TO 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 60S.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE
AFTERNOON. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT AND FRIDAY
COOLER. RAIN LIKELY. LOWS AROUND 40.
HIGHS IN THE LOWER 50S. CHANCE OF RAIN 60 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.
TEMPERATURE / PRECIPITATION
HELENA 62 34 67 / 0 0 0
MTZ320-182200-
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,
BOZEMAN PASS, AND DEEP CREEK PASS
336 AM MDT SUN OCT 18 2026
TODAY
MOSTLY SUNNY. HIGHS 50 TO 58. SOUTH WINDS UP TO 5 MPH.
GUSTS UP TO 25 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTHEAST WINDS UP
TO 10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 55 TO 63. SOUTH WINDS 5 TO 10 MPH
WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 53 TO 61. SOUTH WINDS UP TO 5 MPH
WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE WEST IN THE
AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 55 TO 63.
LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS 57 TO 65.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 40S. CHANCE OF
RAIN 60 PERCENT.
FRIDAY
COOLER. RAIN AND SNOW LIKELY. MODERATE SNOW
ACCUMULATIONS. NEAR STEADY TEMPERATURE IN THE LOWER 40S. CHANCE
OF PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN
THE EVENING, THEN CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION
50 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS 37 TO 43.
MTZ321-182200-
MEAGHER COUNTY VALLEYS-
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,
AND WHITE SULPHUR SPRINGS
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY EARLY IN THE MORNING THEN CLEARING. HIGHS
IN THE UPPER 50S. SOUTHEAST WINDS UP TO 10 MPH. GUSTS UP TO
25 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 27 TO 33. SOUTHEAST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS UP TO
10 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 39. SOUTH WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS UP
TO 5 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 31 TO 37.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE LOWER
60S. LOWS 34 TO 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS 35 TO 41.
FRIDAY
COOLER. RAIN AND SNOW LIKELY. HIGHS IN THE UPPER 40S.
CHANCE OF PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT.
LOWS 22 TO 30. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.
MTZ322-182200-
ELKHORN AND BOULDER MOUNTAINS-
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,
WICKES, ELK PARK PASS, AND HOMESTAKE PASS
336 AM MDT SUN OCT 18 2026
TODAY
SUNNY. HIGHS 50 TO 58. SOUTH WINDS UP TO 5 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 33 TO 39. SOUTH WINDS UP TO 10 MPH.
GUSTS UP TO 25 MPH AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS 55 TO 63. SOUTH WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 41. SOUTH WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 53 TO 61. SOUTHWEST WINDS UP TO
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40.
WEDNESDAY
SUNNY. HIGHS 55 TO 63.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 43.
THURSDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
55 TO 63.
THURSDAY NIGHT
RAIN LIKELY. LOWS 36 TO 42. CHANCE OF RAIN
70 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE
MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. LIGHT
SNOW ACCUMULATIONS. NEAR STEADY TEMPERATURE IN THE LOWER 40S.
CHANCE OF PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW AND
RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW AND RAIN AFTER MIDNIGHT. LOWS 25 TO 31. CHANCE OF
PRECIPITATION 40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS 37 TO 43.
MTZ323-182200-
CANYON FERRY AREA-
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON
336 AM MDT SUN OCT 18 2026
TODAY
COOLER. PARTLY SUNNY EARLY IN THE MORNING THEN CLEARING.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO
THE SOUTHEAST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS 31 TO 39. SOUTHEAST WINDS UP TO
10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 43. SOUTH WINDS UP TO
10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS UP
TO 5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 41.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
60S. LOWS 37 TO 45.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS 39 TO 45. CHANCE OF RAIN
60 PERCENT.
FRIDAY
COOLER. RAIN LIKELY. HIGHS AROUND 50. CHANCE OF RAIN
70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW
AFTER MIDNIGHT. LOWS 29 TO 35. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ324-182200-
MISSOURI HEADWATERS-
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,
PONY, AND WHITEHALL
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY EARLY IN THE MORNING THEN CLEARING. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE
EAST IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTHEAST WINDS UP
TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.
MONDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP TO
5 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS UP TO 5 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
60S. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN
70 PERCENT.
FRIDAY
COOLER. RAIN IN THE MORNING, THEN RAIN LIKELY IN THE
AFTERNOON. HIGHS AROUND 50. CHANCE OF RAIN 90 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
RAIN AND SNOW. LOWS IN THE UPPER 20S.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S.
MTZ325-182200-
MADISON RIVER VALLEY-
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,
AND NORRIS
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN THE
LOWER 60S. SOUTH WINDS UP TO 5 MPH WITH GUSTS TO AROUND 20 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS UP TO
10 MPH INCREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO
30 MPH.
MONDAY
SUNNY. HIGHS 62 TO 68. SOUTH WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS IN THE LOWER 60S. SOUTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
60S. LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
62 TO 68.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN
70 PERCENT.
FRIDAY
COOLER. RAIN IN THE MORNING, THEN RAIN AND SNOW IN THE
AFTERNOON. HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION
90 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN
THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN
THE UPPER 20S. CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN
THE MORNING. HIGHS IN THE MID 40S.
MTZ326-182200-
GALLATIN VALLEY-
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY
336 AM MDT SUN OCT 18 2026
TODAY
MOSTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. HIGHS
AROUND 60. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE NORTHEAST IN
THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTHEAST WINDS UP
TO 10 MPH.
MONDAY
SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP TO
5 MPH SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 40. SOUTHEAST WINDS UP
TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP
TO 5 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS IN THE MID
60S. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.
LOWS AROUND 40.
FRIDAY
COOLER, RAIN. HIGHS IN THE LOWER 50S. CHANCE OF RAIN
90 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN
THE EVENING, THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS
AROUND 30. CHANCE OF PRECIPITATION 70 PERCENT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 40S.
TEMPERATURE / PRECIPITATION
BOZEMAN AIRPORT 60 31 66 / 0 0 0
BOZEMAN MSU 61 35 68 / 0 0 0
MTZ330-182200-
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,
AND RAYNOLDS PASS
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 48 TO
56. SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS 30 TO 36. SOUTH WINDS UP TO 15 MPH
WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS 49 TO 59. SOUTH WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 38. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 48 TO 58. SOUTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 38.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. HIGHS 50 TO 60.
LOWS 34 TO 40.
THURSDAY
MOSTLY SUNNY WITH A 50 PERCENT CHANCE OF RAIN. HIGHS
49 TO 59.
THURSDAY NIGHT
RAIN LIKELY IN THE EVENING, THEN RAIN AFTER
MIDNIGHT. LOWS 33 TO 39. CHANCE OF RAIN 90 PERCENT.
FRIDAY
RAIN AND SNOW. HEAVY SNOW ACCUMULATIONS. NEAR STEADY
TEMPERATURE IN THE UPPER 30S. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. SNOW AND RAIN LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. MODERATE
SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE OF
PRECIPITATION 70 PERCENT.
SATURDAY
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE
MORNING. HIGHS 34 TO 42.
TEMPERATURE / PRECIPITATION
WEST YELLOWSTONE 57 23 59 / 0 0 0
MTZ327-182200-
NORTHWEST BEAVERHEAD COUNTY-
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,
AND CHIEF JOSEPH PASS
336 AM MDT SUN OCT 18 2026
TODAY
PARTLY SUNNY EARLY IN THE MORNING THEN CLEARING. HIGHS
49 TO 57. SOUTHWEST WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS 52 TO 60. SOUTH WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 30S. SOUTHEAST WINDS UP TO 10 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 51 TO 59. SOUTH WINDS UP TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS 51 TO 59.
WEDNESDAY NIGHT
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN
THE EVENING. LOWS 31 TO 39.
THURSDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF RAIN. HIGHS
50 TO 58.
THURSDAY NIGHT
RAIN LIKELY IN THE EVENING, THEN RAIN AFTER
MIDNIGHT. LOWS 30 TO 36. CHANCE OF RAIN 90 PERCENT.
FRIDAY
COLDER. MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE
MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. MODERATE
SNOW ACCUMULATIONS. HIGHS 36 TO 42. CHANCE OF PRECIPITATION
70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW AND
RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. LOWS 21 TO 27. CHANCE OF PRECIPITATION
40 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS 35 TO 41.
MTZ328-182200-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO
336 AM MDT SUN OCT 18 2026
TODAY
MOSTLY SUNNY. HIGHS 56 TO 62. SOUTH WINDS UP TO 5 MPH.
GUSTS UP TO 20 MPH IN THE AFTERNOON.
TONIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS UP TO
10 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
SUNNY. HIGHS 59 TO 65. SOUTH WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 30 MPH.
MONDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS UP
TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS 59 TO 65.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS
58 TO 64.
THURSDAY NIGHT
RAIN LIKELY. LOWS IN THE UPPER 30S. CHANCE OF
RAIN 70 PERCENT.
FRIDAY
COOLER. RAIN LIKELY IN THE MORNING, THEN RAIN LIKELY
AND CHANCE OF SNOW IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS.
HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION 70 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY WITH CHANCE OF RAIN AND
SNOW IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF
RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE UPPER 20S. CHANCE OF
PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.
TEMPERATURE / PRECIPITATION
DILLON 60 32 63 / 0 0 0
MTZ329-182200-
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-
INCLUDING THE CITY OF MONIDA PASS
336 AM MDT SUN OCT 18 2026
TODAY
MOSTLY SUNNY. HIGHS 51 TO 57. SOUTH WINDS UP TO 10 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTH WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
MONDAY
SUNNY. HIGHS 51 TO 59. SOUTH WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 35 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. HIGHS 51 TO 57. SOUTH WINDS UP TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
WEDNESDAY
SUNNY. HIGHS 52 TO 58.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 51 TO 57. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT
RAIN LIKELY IN THE EVENING, THEN RAIN AFTER
MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF RAIN 80 PERCENT.
FRIDAY
COLDER. RAIN AND SNOW IN THE MORNING, THEN RAIN AND
SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. NEAR
STEADY TEMPERATURE IN THE UPPER 30S. CHANCE OF PRECIPITATION
90 PERCENT.
FRIDAY NIGHT
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN IN
THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN
THE MID 20S. CHANCE OF PRECIPITATION 50 PERCENT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.
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