870
FPUS65 KTFX 210250
SFPMT

State Forecast For Montana
National Weather Service Great Falls MT
850 PM MDT Wed Aug 20 2025

MTZ001>007-043-211000-
West of the Continental Divide-
National Weather Service Missoula MT
850 PM MDT Wed Aug 20 2025

.TONIGHT...Mostly clear. Lows in the 40s to lower 50s.
.THURSDAY...Mostly sunny. Highs in the 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s.
.FRIDAY...Mostly clear. Highs in the 80s.
.SATURDAY...Mostly clear. Lows in the 40s. Highs in the mid 80s
to lower 90s.
.SUNDAY...Partly cloudy. Lows in the mid 40s to lower 50s. Highs
in the mid 80s to lower 90s.
.MONDAY...Partly cloudy. Lows in the upper 40s to mid 50s. Highs
in the mid 80s to lower 90s.

$$

MTZ301>314-316>318-211000-
Central Montana-
National Weather Service Great Falls MT
850 PM MDT Wed Aug 20 2025

.REST OF TONIGHT...Partly cloudy. Chance of showers and
thunderstorms early in the evening. Lows 50 to 60...45 to 55 in
the mountains.
.THURSDAY...Sunny. Highs 75 to 80...65 to 75 in the mountains.
.THURSDAY NIGHT...Mostly clear. Lows 45 to 55...40 to 50 in the
mountains.
.FRIDAY...Mostly clear. Highs 70 to 75.
.SATURDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80.
.SUNDAY...Mostly clear. Lows 45 to 50. Highs 75 to 80.
.MONDAY...Mostly clear. Lows around 50. Highs 75 to 85.
$$

MTZ315-319>330-211000-
Southwest Montana-
National Weather Service Great Falls MT
850 PM MDT Wed Aug 20 2025

.REST OF TONIGHT...Mostly cloudy early in the evening then
clearing. Slight chance of showers and thunderstorms early in the
evening. Haze through the night. Lows 45 to 55.
.THURSDAY...Sunny, haze. Highs 75 to 85...65 to 75 in the
mountains.
.THURSDAY NIGHT...Mostly clear. Haze. Lows 45 to 50.
.FRIDAY...Mostly clear. Highs 70 to 80.
.SATURDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85.
.SUNDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 80.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 45 to 55. Highs 70 to 80.
$$

MTZ016>027-059>062-211000-
Northeast Montana-
National Weather Service Glasgow MT
850 PM MDT Wed Aug 20 2025

.REST OF TONIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight. Lows in the lower to mid 60s.
.THURSDAY...Sunny. A slight chance of showers in the morning.
Highs in the upper 70s to mid 80s.
.THURSDAY NIGHT...Mostly clear. Lows in the lower to mid 50s.
.FRIDAY...Mostly clear. Highs in the mid to upper 70s.
.SATURDAY...Mostly clear. Highs in the lower to mid 70s. Lows in
the mid 40s to lower 50s.
.SUNDAY...Clear. Highs in the lower to mid 70s. Lows in the mid
to upper 40s.
.MONDAY...Mostly clear. Highs in the mid to upper 70s. Lows in
the mid 40s to lower 50s.

$$

MTZ028>042-056>058-063>068-211000-
South Central and Southeast Montana-
National Weather Service Billings MT
850 PM MDT Wed Aug 20 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.

$$