Active Weather for the Plains and Mississippi Valley

A developing storm across the Southern Plains is forecast to bring severe weather that includes large hail and damaging wind gusts, heavy rainfall that could result in flash flooding across portions of the Plains and Mississippi Valley. The effects of this storm will continue through the middle of this week. The Four Corners area will continue to see elevated to critical fire weather conditions. Read More >

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Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874ft.

Clear

43°F

6°C

Humidity	48%
Wind Speed	N 0 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	23 May 02:30 AM MDT

More Information:

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

Extended Forecast for

Helena MT

Overnight

Partly Cloudy
Low: 36 °F
Monday

Increasing
Clouds
High: 65 °F
Monday
Night

Isolated
Showers then
Mostly Cloudy
Low: 41 °F
Tuesday

Isolated
Showers then
Slight Chance
T-storms
High: 67 °F
Tuesday
Night

Mostly Cloudy
Low: 44 °F
Wednesday

Mostly Cloudy
High: 72 °F
Wednesday
Night

Mostly Cloudy
Low: 47 °F
Thursday

Partly Sunny
High: 80 °F
Thursday
Night

Mostly Cloudy
then Slight
Chance Rain
Low: 51 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 36. West wind around 5 mph becoming calm.

Monday

Increasing clouds, with a high near 65. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Isolated showers before 7pm. Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

Tuesday

Isolated showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 67. Light west southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly cloudy, with a low around 44. West wind 6 to 13 mph, with gusts as high as 20 mph.

Wednesday

Mostly cloudy, with a high near 72. West southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

Wednesday Night

Mostly cloudy, with a low around 47. Southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

Thursday

Partly sunny, with a high near 80. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

A slight chance of rain after midnight. Mostly cloudy, with a low around 51.

Friday

A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73.