State Forecast
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State Forecast For Montana
National Weather Service Great Falls MT
541 PM MDT Tue May 21 2024

MTZ001>007-043-221000-
West of the Continental Divide-
National Weather Service Missoula MT
541 PM MDT Tue May 21 2024

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY MORNING for Bitterroot/Sapphire
Mountains...Butte/Blackfoot Region...

.TONIGHT...Mostly cloudy with areas of rain. Lows in the upper
30s to mid 40s.
.WEDNESDAY...Rain showers likely and a slight chance of
thunderstorms. Highs in the 50s.
.WEDNESDAY NIGHT...Rain showers and snow likely. Snow may be
heavy at times. Lows in the 30s.
.THURSDAY...Rain and snow likely in the morning, then chance of
rain showers in the afternoon and evening. Highs in the 50s.
.FRIDAY...Mostly cloudy with a chance of rain showers. Lows in
the 30s. Highs in the mid 50s to lower 60s.
.SATURDAY...Mostly cloudy with rain showers likely. Lows in the
mid 30s to lower 40s. Highs in the mid 50s to lower 60s.
.SUNDAY...Mostly cloudy with a chance of rain. Lows in the 30s to
lower 40s. Highs in the mid 50s to lower 60s.

$$

MTZ301>314-316>318-221000-
Central Montana-
National Weather Service Great Falls MT
541 PM MDT Tue May 21 2024

...WINTER STORM WARNING IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
THURSDAY FOR Southern Rocky Mountain Front...
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT WEDNESDAY
NIGHT TO 6 PM MDT THURSDAY FOR Gates of the Mountains...
...WINTER STORM WARNING IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM MDT
THURSDAY FOR Little Belt and Highwood Mountains...

.TONIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms in the evening. Slight chance of rain after
midnight. Some thunderstorms may produce gusty winds in the
evening. Lows 35 to 40.
.WEDNESDAY...Cloudy. Chance of rain in the morning. Slight chance
of thunderstorms in the afternoon. Highs 50 to 60...40 to 50 in
the mountains.
.WEDNESDAY NIGHT...Cloudy. Rain showers and slight chance of
thunderstorms. Some thunderstorms may produce heavy rainfall.
Lows 35 to 40...30 to 35 in the mountains.
.THURSDAY...Mostly cloudy. Chance of rain. Highs 40 to 50.
.FRIDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms. Lows 30 to 35. Highs 55 to 65.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 35 to 45. Highs 55 to 65.
.SUNDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms. Lows 35 to 45. Highs 55 to 65.
$$

MTZ315-319>330-221000-
Southwest Montana-
National Weather Service Great Falls MT
541 PM MDT Tue May 21 2024

...WINTER STORM WARNING IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT
THURSDAY FOR Upper Blackfoot and MacDonald Pass...Elkhorn and
Boulder Mountains...Northwest Beaverhead County...Ruby Mountains
and Southern Beaverhead Mountains...
...WINTER STORM WARNING IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM MDT
THURSDAY FOR Big Belt, Bridger and Castle Mountains...Gallatin
and Madison County Mountains and Centennial Mountains...
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM
MDT THURSDAY FOR Missouri Headwaters...Madison River
Valley...Gallatin Valley...Beaverhead and Western Madison below
6000ft...

.TONIGHT...Mostly cloudy. Lows 35 to 40...30 to 35 in the
mountains.
.WEDNESDAY...Cloudy. Chance of rain and snow in the morning. Snow
showers and chance of thunderstorms in the afternoon. Highs 50 to
60...40 to 50 in the mountains.
.WEDNESDAY NIGHT...Cloudy. Snow showers, rain showers and chance
of thunderstorms. Lows 25 to 35...20 to 30 in the mountains.
.THURSDAY...Cloudy. Snow showers, slight chance of rain and
thunderstorms. Highs 35 to 45.
.FRIDAY...Mostly cloudy. Slight chance of rain and thunderstorms.
Lows 20 to 30. Highs 50 to 60.
.SATURDAY...Rain showers, snow showers likely and chance of
thunderstorms. Lows 30 to 35. Highs 50 to 60.
.SUNDAY...Mostly cloudy. Chance of rain showers, snow showers and
slight chance of thunderstorms. Lows 30 to 35. Highs 45 to 55.
$$

MTZ016>027-059>062-221000-
Northeast Montana-
National Weather Service Glasgow MT
541 PM MDT Tue May 21 2024

.TODAY...Partly cloudy. A slight chance of rain showers in the
afternoon. Highs in the upper 50s to mid 60s.
.TONIGHT...Partly cloudy. A slight chance of rain showers in the
evening. Lows near 40.
.WEDNESDAY...Partly cloudy in the morning then becoming mostly
cloudy. A slight chance of rain showers in the morning, then a
chance of rain showers and a slight chance of thunderstorms in
the afternoon and evening. Highs in the 60s.
.THURSDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs in the lower to mid 50s.
Lows in the lower to mid 40s.
.FRIDAY...Partly cloudy with a slight chance of rain showers.
Highs in the upper 50s to mid 60s. Lows in the mid to upper 30s.
.SATURDAY...Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs near 70. Lows in the upper
30s to mid 40s.

$$

MTZ028>042-056>058-063>068-221000-
South Central and Southeast Montana-
National Weather Service Billings MT
541 PM MDT Tue May 21 2024

...Winter Storm Watch remains in effect from Wednesday evening
   through Thursday evening for portions of South Central Montana...

.TONIGHT...Partly cloudy. Slight chance of thunderstorms. Lows in
the mid 30s to the mid 40s.
.WEDNESDAY...Partly sunny. Slight chance of rain. Highs in the
upper 50s to around 70.
.WEDNESDAY NIGHT...Showers and slight chance of thunderstorms
west...and chance of rain east. Lows in the mid 30s to the mid
40s.
.THURSDAY...Rain showers and slight chance of thunderstorms.
Highs in the mid 40s to upper 50s.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain west...and
showers likely and slight chance of thunderstorms east. Lows in
the lower to mid 30s.
.FRIDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms west...and slight chance of rain east. Highs in the
upper 50s to the upper 60s.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s to the mid
40s.
.SATURDAY...Mostly sunny. Chance of rain showers and slight
chance of thunderstorms. Highs in the mid 60s to lower 70s.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. West, showers likely
and slight chance of thunderstorms. East, chance of rain, then
chance of showers and slight chance of thunderstorms. Lows in the
upper 30s to the upper 40s. Highs in the upper 50s to mid 60s.

$$