State Forecast
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971
FPUS65 KTFX 311700
SFPMT

State Forecast For Montana
National Weather Service Great Falls MT
1100 AM MDT Sun May 31 2026

MTZ001>007-043-312200-
West of the Continental Divide-
National Weather Service Missoula MT
1100 AM MDT Sun May 31 2026

.TODAY...Rain likely. Highs in the 50s to lower 60s.
.TONIGHT...Rain likely. Patchy fog. Lows in the mid 30s to lower
40s.
.MONDAY...Rain likely in the morning, then chance of rain showers
in the afternoon and evening. Areas of fog in the morning. Highs
in the mid 50s to lower 60s.
.TUESDAY...Mostly cloudy with a chance of rain. Patchy fog. Lows
in the mid 30s to lower 40s. Highs in the 60s.
.WEDNESDAY...Partly cloudy. Patchy fog. Lows in the mid 30s to
lower 40s. Highs in the 70s.
.THURSDAY...Mostly cloudy with a chance of rain showers. Lows in
the 40s. Highs in the upper 60s to mid 70s.

$$

MTZ301>314-316>318-312200-
Central Montana-
National Weather Service Great Falls MT
1100 AM MDT Sun May 31 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON FOR
East Glacier Park Region...Northern High Plains...Eastern
Glacier, Western Toole, and Central Pondera...Southern Rocky
Mountain Front...Southern High Plains...Eastern Pondera and
Eastern Teton...Cascade County below 5000ft...Gates of the
Mountains...

.REST OF TODAY...Rain. Highs 45 to 55...40 to 50 in the
mountains. Northwest winds 20 to 30 mph with gusts to 45 mph.
.TONIGHT...Cloudy, rain. Lows 35 to 40. Northwest winds 20 to
30 mph with gusts to 45 mph.
.MONDAY...Cloudy, rain. Highs 50 to 60...45 to 55 in the
mountains. West winds 20 to 30 mph with gusts to 40 mph.
.TUESDAY...Mostly cloudy. Chance of rain. Lows 35 to 40. Highs
55 to 65.
.WEDNESDAY...Mostly cloudy. Slight chance of rain. Lows 40 to 45.
Highs 60 to 70.
.THURSDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows 40 to 45. Highs 65 to 70.
$$

MTZ315-319>330-312200-
Southwest Montana-
National Weather Service Great Falls MT
1100 AM MDT Sun May 31 2026

.REST OF TODAY...Snow late in the morning. Rain through the day.
Slight chance of thunderstorms and snow in the afternoon. Highs
45 to 50...35 to 45 in the mountains.
.TONIGHT...Mostly cloudy. Chance of rain through the night. Lows
30 to 40.
.MONDAY...Mostly cloudy. Chance of rain through the day. Chance
of rain showers and slight chance of thunderstorms in the
afternoon and evening. Highs 55 to 65...45 to 55 in the
mountains.
.TUESDAY...Mostly cloudy. Slight chance of rain and
thunderstorms. Lows 35 to 40. Highs 55 to 65.
.WEDNESDAY...Partly cloudy. Lows 35 to 40. Highs 65 to 75.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 40 to 45. Highs 60 to 70.
$$

MTZ016>027-059>062-312200-
Northeast Montana-
National Weather Service Glasgow MT
1100 AM MDT Sun May 31 2026

.TODAY...A chance of showers and a slight chance of thunderstorms
in the morning, then showers and a chance of thunderstorms in the
afternoon. Highs near 70.
.TONIGHT...Rain showers likely and a slight chance of
thunderstorms in the evening, then a chance of rain showers after
midnight. Lows in the lower to mid 40s.
.MONDAY...Mostly cloudy with a chance of rain showers. Highs in
the 60s.
.TUESDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs in the upper 60s to mid
70s. Lows in the lower to mid 40s.
.WEDNESDAY...Mostly cloudy with a slight chance of showers and
thunderstorms. Highs near 70. Lows in the mid to upper 40s.
.THURSDAY...Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Highs in the lower to mid 70s.
Lows in the mid to upper 40s.

$$

MTZ028>042-056>058-063>068-312200-
South Central and Southeast Montana-
National Weather Service Billings MT
1100 AM MDT Sun May 31 2026

.REST OF TODAY...Rain showers and isolated thunderstorms. Highs
in the mid 50s to the mid 60s.
.TONIGHT...Mostly cloudy. Scattered rain showers. Lows in the
upper 30s to the upper 40s.
.MONDAY...Mostly sunny. Chance of rain showers and slight chance
of thunderstorms. Highs in the mid 60s to the mid 70s.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the 40s.
.TUESDAY...Mostly sunny. Slight chance of thunderstorms. Highs in
the upper 60s to the upper 70s.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms
west...and chance of showers and slight chance of thunderstorms
east. Lows in the lower 40s to around 50.
.WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Slight chance of
thunderstorms. Lows in the mid 40s to the mid 50s. Highs around
70 to the upper 70s.
.THURSDAY...Partly sunny. Chance of thunderstorms. Highs in the
70s.

$$