Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through this evening. A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the Carolina Shorelines through tonight. This system is forecast to meander off the mid-Atlantic coast early this week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

58°F

14°C

Humidity	59%
Wind Speed	N 3 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	14 Sep 09:53 AM MDT

More Information:

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

Extended Forecast for

East Helena MT

Today
High: 79 °F
Mostly Sunny
Tonight
Low: 49 °F
Chance
Showers
Monday
High: 67 °F
Showers
Likely
Monday Night
Low: 48 °F
Chance
Showers
Tuesday
High: 71 °F
Slight Chance
Showers
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 78 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 79. Light and variable wind becoming east around 6 mph in the afternoon.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. West southwest wind 5 to 8 mph becoming northeast in the evening. Chance of precipitation is 50%.

Monday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 67. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 48. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 71. Calm wind becoming north northeast around 6 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 46. Northeast wind around 6 mph becoming light and variable after midnight.

Wednesday

Sunny, with a high near 76. Calm wind becoming east northeast around 6 mph in the afternoon.

Wednesday Night

Clear, with a low around 46. East northeast wind around 6 mph becoming southwest after midnight.

Thursday

Sunny, with a high near 78.

Thursday Night

Partly cloudy, with a low around 46.