Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

72°F

22°C

Humidity	35%
Wind Speed	WNW 8 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	14 Jun 10:20 PM MDT

More Information:

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

Extended Forecast for

Helena MT

Tonight
Low: 52 °F
Partly Cloudy
Sunday
High: 81 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 51 °F
Chance
Showers then
Partly Cloudy
Monday
High: 78 °F
Slight Chance
Showers then
Chance
Showers
Monday Night
Low: 50 °F
Chance
Showers
Tuesday
High: 78 °F
Chance
Showers
Tuesday Night
Low: 49 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 52. Light west wind.

Sunday

A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. North wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.

Monday

A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 78. Calm wind becoming east northeast around 6 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 50%.

Tuesday

A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 49. West southwest wind 5 to 9 mph.

Wednesday

Sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

Wednesday Night

Mostly clear, with a low around 50.

Juneteenth

Sunny, with a high near 83.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 77.