Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

73°F

23°C

Humidity	33%
Wind Speed	N 9 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	09 Aug 10:53 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

12 Miles NNE Helena MT

Tonight
Low: 52 °F
Areas Smoke
Monday
High: 88 °F
Areas Smoke
Monday Night
Low: 52 °F
Patchy Smoke
Tuesday
High: 90 °F
Areas Smoke
Tuesday Night
Low: 51 °F
Patchy Smoke
then Mostly
Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 49 °F
Chance
Showers
Thursday
High: 75 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 48 °F
Showers

Detailed Forecast

Tonight

Areas of smoke. Mostly clear, with a low around 52. North wind around 5 mph becoming calm after midnight.

Monday

Areas of smoke. Sunny, with a high near 88. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

Monday Night

Patchy smoke. Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

Tuesday

Areas of smoke. Sunny, with a high near 90. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Patchy smoke before 7pm. Mostly clear, with a low around 51. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 21 mph.

Wednesday

Sunny, with a high near 82. North northwest wind 6 to 9 mph, with gusts as high as 21 mph.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

Thursday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. North wind 5 to 8 mph, with gusts as high as 18 mph.

Thursday Night

Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 48.

Friday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 79.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.