Area Forecast Product
Issued by NWS Great Falls, MT

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951
FPUS65 KTFX 312022
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
221 PM MDT Thu Jul 31 2025

MTZ301>314-316>318-011200-
Central Montana-
National Weather Service Great Falls MT
221 PM MDT Thu Jul 31 2025


.TONIGHT...Mostly cloudy. Chance of showers and thunderstorms in
the evening. Slight chance of showers and thunderstorms after
midnight. Lows 55 to 60...50 to 55 in the mountains.
.FRIDAY...Increasing clouds. Patchy fog in the morning. Chance of
showers through the day. Slight chance of thunderstorms in the
afternoon. Highs 80 to 85...65 to 75 in the mountains.
.FRIDAY NIGHT...Mostly cloudy. Showers likely and chance of
thunderstorms through the night. Lows 55 to 60...50 to 55 in the
mountains.
.SATURDAY...Mostly cloudy. Chance of showers and thunderstorms.
Highs 70 to 80.
.SUNDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 60. Highs 70 to 80.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 50 to 55. Highs 75 to 85.
.TUESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows 50 to 55. Highs 70 to 80.

$$

MTZ315-319>330-011200-
Southwest Montana-
National Weather Service Great Falls MT
221 PM MDT Thu Jul 31 2025

...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR Big
Belt, Bridger and Castle Mountains...

.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of showers and thunderstorms in the
evening. Some thunderstorms may produce heavy rainfall in the
evening. Lows 45 to 55.
.FRIDAY...Increasing clouds. Chance of thunderstorms in the
afternoon. Highs 75 to 85...65 to 75 in the mountains.
.FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of showers and thunderstorms. Lows 45 to
55.
.SATURDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Highs 70 to 80.
.SUNDAY...Partly cloudy. Slight chance of rain showers. Lows
45 to 50. Highs 70 to 80.
.MONDAY...Partly cloudy. Chance of rain showers and slight chance
of thunderstorms. Lows 45 to 55. Highs 75 to 85.
.TUESDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 80.

$$