037
FPUS65 KTFX 202138
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
337 PM MDT Mon Jul 20 2026

MTZ301>314-316>318-211200-
Central Montana-
National Weather Service Great Falls MT
337 PM MDT Mon Jul 20 2026


.TONIGHT...Mostly cloudy. Patchy smoke in the evening. Lows 55 to
60.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 80 to 85...70 to 80 in the mountains.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Lows 55 to 65...50 to 60 in the mountains.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Highs 80 to 90.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 65. Highs 85 to 95.
.FRIDAY...Mostly clear. Lows 60 to 65. Highs 90 to 100.
.SATURDAY...Clear. Lows 60 to 65. Highs 90 to 100.

$$

MTZ315-319>330-211200-
Southwest Montana-
National Weather Service Great Falls MT
337 PM MDT Mon Jul 20 2026


.TONIGHT...Partly cloudy. Patchy smoke. Lows 50 to 60.
.TUESDAY...Increasing clouds. Patchy smoke through the day.
Slight chance of showers and thunderstorms in the afternoon.
Highs 80 to 85...70 to 80 in the mountains.
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Patchy smoke in the evening. Slight chance of
showers and thunderstorms through the night. Lows 55 to 60.
.WEDNESDAY...Mostly cloudy. Showers likely and chance of
thunderstorms. Highs 75 to 85.
.THURSDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows 50 to 60. Highs 75 to 85.
.FRIDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90.
.SATURDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90.

$$