Area Forecast Product
Issued by NWS Great Falls, MT

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FPUS65 KTFX 260118
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
717 PM MDT Sat Jul 25 2026

MTZ301>314-316>318-261200-
Central Montana-
National Weather Service Great Falls MT
717 PM MDT Sat Jul 25 2026

...HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT SUNDAY FOR Eastern
Glacier, Western Toole, and Central Pondera...Eastern Toole and
Liberty...Eastern Pondera and Eastern Teton...Gates of the
Mountains...
...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR
Hill County...Northern Blaine County...Western and Central
Chouteau County...Cascade County below 5000ft...Judith Basin
County and Judith Gap...
...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM MDT SUNDAY FOR Bears
Paw Mountains and Southern Blaine...Fergus County below 4500ft...

.REST OF TONIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Patchy smoke through the night.
Some thunderstorms may be severe with gusty winds. Lows 60 to
70...55 to 65 in the mountains.
.SUNDAY...Sunny. Patchy smoke. Highs 90 to 100...75 to 85 in the
mountains.
.SUNDAY NIGHT...Mostly clear. Patchy smoke. Lows 55 to 65...50 to
60 in the mountains.
.MONDAY...Mostly clear. Highs 85 to 95.
.TUESDAY...Clear. Lows 55 to 65. Highs 90 to 100.
.WEDNESDAY...Mostly clear. Lows 55 to 65. Highs 90 to 100.
.THURSDAY...Mostly clear. Lows 55 to 65. Highs 90 to 100.

$$

MTZ315-319>330-261200-
Southwest Montana-
National Weather Service Great Falls MT
717 PM MDT Sat Jul 25 2026

...HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT SUNDAY FOR Helena
Valley...Meagher County Valleys...Canyon Ferry Area...Missouri
Headwaters...Madison River Valley...Gallatin Valley...Beaverhead
and Western Madison below 6000ft...

.REST OF TONIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Patchy smoke after midnight. Some
thunderstorms may be severe with gusty winds. Lows 55 to 65...
50 to 60 in the mountains.
.SUNDAY...Partly cloudy.  and patchy smoke through the day.
Slight chance of thunderstorms in the afternoon. Highs 85 to 95...
75 to 85 in the mountains.
.SUNDAY NIGHT...Partly cloudy. Patchy smoke. Lows 50 to 60.
.MONDAY...Mostly clear. Highs 80 to 90.
.TUESDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90.
.WEDNESDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90.
.THURSDAY...Mostly clear. Lows 50 to 60. Highs 85 to 95.

$$