Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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966 FPUS65 KTFX 160038 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT Issued by National Weather Service Missoula MT 637 PM MDT Wed Jul 15 2026 MTZ301>314-316>318-161200- Central Montana- National Weather Service Great Falls MT 637 PM MDT Wed Jul 15 2026 .REST OF TONIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows 55 to 60. .THURSDAY...Sunny. Slight chance of thunderstorms in the afternoon. Highs 80 to 90...70 to 80 in the mountains. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of showers and thunderstorms. Lows 60 to 65...50 to 60 in the mountains. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Highs 85 to 95. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 60 to 65. Highs 90 to 100. .SUNDAY...Mostly clear. Lows 55 to 65. Highs 80 to 90. .MONDAY...Partly cloudy. Lows 55 to 60. Highs 80 to 90. $$ MTZ315-319>330-161200- Southwest Montana- National Weather Service Great Falls MT 637 PM MDT Wed Jul 15 2026 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR Big Belt, Bridger and Castle Mountains... .REST OF TONIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows 50 to 60. .THURSDAY...Sunny. Slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs 80 to 90...70 to 80 in the mountains. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of showers and slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows 50 to 60. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Highs 80 to 90. .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 50 to 60. Highs 80 to 90. .SUNDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 60. Highs 75 to 85. $$