Area Forecast Product
Issued by NWS Great Falls, MT

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873
FPUS65 KTFX 221628
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1027 AM MDT Wed Jul 22 2026

MTZ301>314-316>318-230000-
Central Montana-
National Weather Service Great Falls MT
1027 AM MDT Wed Jul 22 2026

...EXTREME HEAT WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
SUNDAY EVENING FOR Hill County...Northern Blaine County...Bears
Paw Mountains and Southern Blaine...Fergus County below 4500ft...

.REST OF TODAY...Sunny. Patchy smoke in the afternoon. Highs
85 to 90...70 to 80 in the mountains.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Patchy smoke. Lows 60 to 65.
.THURSDAY...Partly cloudy. Patchy smoke. Slight chance of showers
and thunderstorms in the afternoon and evening. Highs 90 to 100...
75 to 85 in the mountains.
.FRIDAY...Clear. Lows 60 to 65. Highs 95 to 105.
.SATURDAY...Clear. Lows 60 to 65. Highs 95 to 105.
.SUNDAY...Mostly clear. Lows 60 to 65. Highs 85 to 95.

$$

MTZ315-319>330-230000-
Southwest Montana-
National Weather Service Great Falls MT
1027 AM MDT Wed Jul 22 2026

...FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR Northwest
Beaverhead County...Ruby Mountains and Southern Beaverhead
Mountains...Gallatin and Madison County Mountains and Centennial
Mountains...

.REST OF TODAY...Partly cloudy late in the morning. Patchy smoke
through the day. Slight chance of showers late in the morning.
Showers likely and 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.
.TONIGHT...Cloudy in the evening then becoming partly cloudy.
Chance of showers and thunderstorms. Some thunderstorms may
produce heavy rainfall. Lows 50 to 60.
.THURSDAY...Increasing clouds in the afternoon then becoming
partly cloudy. Patchy smoke in the afternoon. Slight chance of
showers and thunderstorms in the afternoon and evening. Highs
80 to 90...70 to 80 in the mountains.
.FRIDAY...Mostly clear. Lows 55 to 60. Highs 85 to 95.
.SATURDAY...Mostly clear. Lows 55 to 65. Highs 85 to 95.
.SUNDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90.

$$