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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

☀️
Helena
Clear
88°F
Feels like 89°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

Light 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
1%
4 PM
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93°F
2%
5 PM
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92°F
2%
6 PM
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92°F
1%
7 PM
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91°F
2%
8 PM
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87°F
3%
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
 
1 AM
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70°F
 
2 AM
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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
62°F
 
8 AM
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
🌫️
93°F
60°F
6%
Thu
Jul 30
🌦️
95°F
61°F
12%
Fri
Jul 31
☁️
98°F
65°F
1%
Sat
Aug 1
☁️
104°F
67°F
2%
Sun
Aug 2
☁️
93°F
62°F
2%
Mon
Aug 3
🌤️
70°F
47°F
1%
Tue
Aug 4
80°F
45°F
1%

Weather near Helena

47 mi Butte, MT72 mi Great Falls, MT79 mi Bozeman, MT95 mi Missoula, MT
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.