Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
559 FPUS65 KTFX 180938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 338 AM MDT Tue Aug 18 2026 MTZ301>314-316>318-190000- Central Montana- National Weather Service Great Falls MT 338 AM MDT Tue Aug 18 2026 .TODAY...Partly cloudy. Patchy smoke through the day. Slight chance of showers and thunderstorms in the afternoon. Highs 75 to 85...65 to 75 in the mountains. .TONIGHT...Partly cloudy. Patchy smoke. Slight chance of showers. Lows 50 to 60...45 to 55 in the mountains. .WEDNESDAY...Partly cloudy in the morning then clearing. Patchy smoke. Highs 80 to 85...70 to 80 in the mountains. .THURSDAY...Mostly clear. Lows 50 to 60. Highs 75 to 85. .FRIDAY...Mostly clear. Lows 50 to 55. Highs 80 to 90. .SATURDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60. Highs 80 to 90. $$ MTZ315-319>330-190000- Southwest Montana- National Weather Service Great Falls MT 338 AM MDT Tue Aug 18 2026 .TODAY...Increasing clouds. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 75 to 80...60 to 70 in the mountains. .TONIGHT...Mostly cloudy in the evening then clearing. Slight chance of rain showers. Lows 45 to 55. .WEDNESDAY...Sunny then becoming partly cloudy. Highs 75 to 85... 65 to 75 in the mountains. .THURSDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85. .FRIDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 75 to 85. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 55 to 60. Highs 75 to 85. $$