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
205 FPUS65 KTFX 131659 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1058 AM MDT Thu Aug 13 2026 MTZ301>314-316>318-140000- Central Montana- National Weather Service Great Falls MT 1058 AM MDT Thu Aug 13 2026 .REST OF TODAY...Cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 55 to 65...50 to 60 in the mountains. .TONIGHT...Cloudy. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Lows 45 to 50. .FRIDAY...Cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon and evening. Highs 60 to 70...50 to 60 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of rain showers. Lows 45 to 50. Highs 65 to 75. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 55. Highs 75 to 85. .MONDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 50 to 55. Highs 75 to 85. $$ MTZ315-319>330-140000- Southwest Montana- National Weather Service Great Falls MT 1058 AM MDT Thu Aug 13 2026 ...FLASH FLOOD WATCH IN EFFECT FROM 6 PM MDT THIS EVENING THROUGH THIS EVENING FOR Big Belt, Bridger and Castle Mountains... ...FLOOD WATCH IN EFFECT FROM 2 PM MDT THIS AFTERNOON THROUGH THIS EVENING FOR Elkhorn and Boulder Mountains... ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR Northwest Beaverhead County... .REST OF TODAY...Mostly cloudy. Patchy smoke through the day. Chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs 65 to 75...60 to 70 in the mountains. .TONIGHT...Cloudy. Patchy smoke in the evening. Rain showers and chance of thunderstorms through the night. Some thunderstorms may produce heavy rainfall. Lows 45 to 50. .FRIDAY...Mostly cloudy. Rain showers likely through the day. Chance of thunderstorms in the afternoon and evening. Highs 65 to 70...55 to 65 in the mountains. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 40 to 50. Highs 65 to 75. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 40 to 50. Highs 70 to 80. .MONDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 55. Highs 70 to 80. $$