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 (HRWM8)

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

64°F

18°C

Humidity	49%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	15 Jun 01:53 AM MDT

More Information:

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

Extended Forecast for

6 Miles SW Marysville MT

Overnight
Low: 48 °F
Partly Cloudy
Sunday
High: 69 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 48 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 65 °F
Partly Sunny
then Chance
Showers
Monday Night
Low: 46 °F
Chance
Showers
Tuesday
High: 65 °F
Slight Chance
Showers
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 45 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 48. Calm wind.

Sunday

A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 69. Calm wind becoming northwest 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 48. Northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.

Monday

A 50 percent chance of showers after noon. Partly sunny, with a high near 65. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 46. Northeast wind 5 to 7 mph becoming southwest in the evening. Chance of precipitation is 40%.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 65. West wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 45. West wind 6 to 10 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 68. Southwest wind 5 to 13 mph, with gusts as high as 24 mph.

Wednesday Night

Mostly clear, with a low around 45.

Juneteenth

Sunny, with a high near 71.

Thursday Night

A slight chance of showers. Partly cloudy, with a low around 44.