Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

HELENA (HRWM8)

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

74°F

23°C

Humidity	41%
Wind Speed	NE 18 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	12 Aug 01:53 PM MDT

More Information:

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

Extended Forecast for

7 Miles S Marysville MT

This Afternoon
High: 73 °F
Slight Chance
T-storms
Tonight
Low: 53 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 63 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 51 °F
Showers
Friday
High: 62 °F
Showers
Friday Night
Low: 50 °F
Showers
Likely then
Mostly Cloudy
Saturday
High: 72 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 52 °F
Chance
Showers then
Mostly Cloudy
Sunday
High: 75 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke. Mostly sunny, with a high near 73. North northeast wind around 11 mph, with gusts as high as 21 mph.

Tonight

A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Patchy smoke before midnight. Increasing clouds, with a low around 53. North northeast wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

Thursday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. North northeast wind 7 to 10 mph. Chance of precipitation is 50%.

Thursday Night

Showers and thunderstorms before 5am, then showers likely. Low around 51. North northeast wind 7 to 10 mph. Chance of precipitation is 80%.

Friday

Showers, with thunderstorms also possible after noon. High near 62. Northeast wind around 7 mph. Chance of precipitation is 80%.

Friday Night

Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 50. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%.

Saturday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. Calm wind becoming south southeast around 6 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. Southwest wind 3 to 5 mph.

Sunday

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

Sunday Night

Partly cloudy, with a low around 54.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 76.