NimbocastGreat Falls, MT Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Great Falls, Cascade County, Montana.
Updated Jul 29, 2026, 1:27 PM local time · Radar refreshes every 5 minutes
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Great Falls
87°F
Wind 3 mph
Humidity 19%
Cloud cover 0%
UV index 8
Alerts 0
Active alerts
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No active National Weather Service alerts for Great Falls, MT.
Great Falls weather radar
Light
Heavy
Next 24 hours
Now
☀️
87°F
2 PM
☀️
88°F
3 PM
☀️
90°F
4 PM
☀️
91°F
5 PM
☀️
92°F
6 PM
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92°F
7 PM
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91°F
8 PM
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88°F
1%
9 PM
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82°F
1%
10 PM
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78°F
1%
11 PM
☁️
77°F
12 AM
☁️
74°F
1 AM
☁️
72°F
2 AM
⛅
70°F
3 AM
☁️
67°F
4 AM
🌤️
65°F
5 AM
☀️
63°F
6 AM
☀️
63°F
7 AM
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63°F
8 AM
🌤️
69°F
9 AM
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78°F
10 AM
🌤️
84°F
11 AM
☀️
87°F
12 PM
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89°F
7-day forecast
Today
Jul 29
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92°F
54°F
1%
Thu
Jul 30
☁️
96°F
63°F
3%
Fri
Jul 31
☁️
99°F
68°F
3%
Sat
Aug 1
☁️
103°F
68°F
3%
Sun
Aug 2
🌤️
92°F
67°F
3%
Mon
Aug 3
☁️
67°F
51°F
2%
Tue
Aug 4
☁️
78°F
47°F
2%
Weather near Great Falls
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.