Helena, MT Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Helena, Lewis and Clark County, Montana.
Updated Jul 29, 2026, 1:27 PM local time · Radar refreshes every 5 minutes
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Helena
88°F
Wind 3 mph
Humidity 21%
Cloud cover 0%
UV index 8
Alerts 1
Active alerts (1)
Fire Weather WatchSevere
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty; Hill and Blaine Counties; Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front; Chouteau and Fergus Counties; Lincoln Ranger District of the Helena National Forest; Central and Eastern Lewis and Clark National Forest Areas; Helena and Townsend Ranger Districts of the Helena National Forest
Until Jul 30, 2026, 8:00 AM
Full details
The National Weather Service in Great Falls has issued a Fire Weather Watch for hot temperatures, gusty winds, and low relative humidity, which is in effect from Saturday afternoon through Sunday evening. * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front, Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 15 to 25 mph with gusts up to 50 mph. Along the Rocky Mountain Front, west winds 20 to 35 mph with gusts up to 65 mph. * RELATIVE HUMIDITY...As low as 8 percent. * TEMPERATURES...Up to 105 on Saturday. * COLD FRONT...A strong, dry cold front will arrive Saturday evening. * IMPACTS...Any fires that develop will spread rapidly. Containment of any ongoing or new fires may be very difficult. Outdoor burning is not recommended. A Fire Weather Watch means that critical fire weather conditions are possible. A combination of gusty winds, low relative humidity, and warm temperatures will create high fire growth potential. Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch.
Helena weather radar
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Heavy
Next 24 hours
Now
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87°F
2 PM
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90°F
3 PM
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92°F
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4 PM
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93°F
2%
5 PM
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92°F
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6 PM
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92°F
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7 PM
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91°F
2%
8 PM
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87°F
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9 PM
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77°F
4%
10 PM
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78°F
6%
11 PM
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73°F
1%
12 AM
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71°F
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70°F
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69°F
3 AM
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68°F
4 AM
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67°F
5 AM
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64°F
6 AM
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61°F
7 AM
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62°F
8 AM
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67°F
9 AM
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71°F
10 AM
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76°F
11 AM
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82°F
12 PM
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87°F
7-day forecast
Today
Jul 29
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93°F
60°F
6%
Thu
Jul 30
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95°F
61°F
12%
Fri
Jul 31
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98°F
65°F
1%
Sat
Aug 1
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104°F
67°F
2%
Sun
Aug 2
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93°F
62°F
2%
Mon
Aug 3
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70°F
47°F
1%
Tue
Aug 4
⛅
80°F
45°F
1%
Weather near Helena
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