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
503 FPUS65 KTFX 170938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Thu Sep 17 2026 MTZ301>314-316>318-180000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Thu Sep 17 2026 .TODAY...Sunny. Highs 70 to 75. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of rain showers. Lows 50 to 55...45 to 50 in the mountains. .FRIDAY...Increasing clouds. Chance of rain showers in the afternoon and evening. Highs 70 to 75...60 to 70 in the mountains. .SATURDAY...Mostly cloudy. Chance of rain. Lows 45 to 50. Highs 60 to 70. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 65 to 75. .MONDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. $$ MTZ315-319>330-180000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Thu Sep 17 2026 .TODAY...Mostly cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs 70 to 80... 60 to 70 in the mountains. .TONIGHT...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 50. .FRIDAY...Mostly cloudy. Rain showers through the day. Chance of thunderstorms in the afternoon and evening. Highs 65 to 75... 55 to 65 in the mountains. .SATURDAY...Rain showers and slight chance of thunderstorms. Lows 40 to 50. Highs 55 to 65. .SUNDAY...Mostly clear. Lows 40 to 45. Highs 60 to 70. .MONDAY...Mostly clear. Lows 40 to 45. Highs 65 to 75. $$