State Forecast
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FPUS65 KTFX 190807
SFPMT

State Forecast For Montana
National Weather Service Great Falls MT
207 AM MDT Tue Aug 19 2025

MTZ001>007-043-192200-
West of the Continental Divide-
National Weather Service Missoula MT
207 AM MDT Tue Aug 19 2025

.TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s.
.TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s.
.TUESDAY NIGHT...Partly cloudy with a chance of rain showers.
Lows in the upper 40s to mid 50s.
.WEDNESDAY...Mostly clear. Highs in the mid 80s to lower 90s.
.THURSDAY...Mostly clear. Lows in the mid 40s to lower 50s. Highs
in the 80s.
.FRIDAY...Clear. Lows in the mid 40s to lower 50s. Highs in the
80s to lower 90s.
.SATURDAY...Mostly clear. Lows in the mid 40s to lower 50s. Highs
in the upper 80s to mid 90s.

$$

MTZ301>314-316>318-192200-
Central Montana-
National Weather Service Great Falls MT
207 AM MDT Tue Aug 19 2025

.REST OF TONIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows 55 to 60.
.TUESDAY...Sunny. Highs 90 to 95...80 to 90 in the mountains.
.TUESDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65...50 to 60 in the mountains.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Highs 85 to 95.
.THURSDAY...Mostly clear. Slight chance of rain showers. Lows
50 to 60. Highs 75 to 80.
.FRIDAY...Mostly clear. Lows 50 to 55. Highs 70 to 80.
.SATURDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85.
$$

MTZ315-319>330-192200-
Southwest Montana-
National Weather Service Great Falls MT
207 AM MDT Tue Aug 19 2025

.REST OF TONIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows 50 to 55.
.TUESDAY...Sunny. Highs 85 to 95...75 to 85 in the mountains.
.TUESDAY NIGHT...Mostly clear. Lows 50 to 60.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Highs 80 to 90.
.THURSDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80.
.FRIDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85.
.SATURDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85.
$$

MTZ016>027-059>062-192200-
Northeast Montana-
National Weather Service Glasgow MT
207 AM MDT Tue Aug 19 2025

...HEAT ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 8 PM MDT
WEDNESDAY...

.TONIGHT...Mostly clear. Lows in the lower to mid 60s.
.TUESDAY...Sunny. Highs 96 to 101.
.TUESDAY NIGHT...Mostly clear. Lows in the mid 60s to lower 70s.
.WEDNESDAY...Sunny in the morning, then mostly clear with a
slight chance of showers and thunderstorms in the afternoon and
evening. Highs 97 to 102.
.THURSDAY...Partly cloudy with a slight chance of showers. Highs
in the lower to mid 80s. Lows in the 60s.
.FRIDAY...Mostly clear. Highs in the mid to upper 70s. Lows in
the 50s.
.SATURDAY...Mostly clear. Highs in the mid 70s to lower 80s. Lows
in the upper 40s to mid 50s.

$$

MTZ028>042-056>058-063>068-192200-
South Central and Southeast Montana-
National Weather Service Billings MT
207 AM MDT Tue Aug 19 2025

...Heat Advisory in effect from 9 AM this morning to 9 PM MDT
   Wednesday for portions of South Central Montana... and all of
   Southeast Montana...

.TODAY...Sunny. Highs 94 to 104.
.TONIGHT...Mostly clear. Lows from the mid 50s west to the lower
70s east.
.WEDNESDAY...Sunny. Highs 93 to 103.
.WEDNESDAY NIGHT...Partly cloudy. Slight chance of thunderstorms
west...and slight chance of showers east. Lows in the mid 50s to
upper 60s.
.THURSDAY...Sunny. Highs in the lower to mid 80s.
.THURSDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms east. Lows of around 50 to around 60.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 40s to
the upper 50s. Highs in the upper 70s to mid 80s.

$$