Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

72°F

22°C

Humidity	53%
Wind Speed	ENE 8 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	29 Aug 11:05 AM MDT

More Information:

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

Extended Forecast for

3 Miles WNW Helena MT

Today
High: 76 °F
Showers
Tonight
Low: 51 °F
Showers
Sunday
High: 65 °F
Chance
Showers then
Mostly Sunny
Sunday Night
Low: 46 °F
Mostly Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 52 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 77 °F
Chance
Showers

Detailed Forecast

Today

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 76. East southeast wind 6 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 51. East southeast wind 6 to 9 mph becoming west northwest in the evening. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 50 percent chance of showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 65. West wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

Sunday Night

Mostly clear, with a low around 46. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.

Monday

Sunny, with a high near 76. Calm wind becoming west 5 to 8 mph in the afternoon.

Monday Night

Mostly clear, with a low around 51. North northwest wind 5 to 7 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 82. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. Southwest wind 6 to 10 mph.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.

Wednesday Night

Mostly cloudy, with a low around 50.

Thursday

Partly sunny, with a high near 77.

Thursday Night

A slight chance of showers. Partly cloudy, with a low around 48.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.