Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

51°F

11°C

Humidity	53%
Wind Speed	NA 2 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	21 Aug 04:00 AM MDT

More Information:

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

Extended Forecast for

9 Miles WSW Windham MT

Today
High: 81 °F
Patchy Smoke
then Sunny
Tonight
Low: 60 °F
Increasing
Clouds
Saturday
High: 85 °F
Slight Chance
T-storms then
Chance
Showers
Saturday Night
Low: 61 °F
Chance
T-storms then
Mostly Cloudy
Sunday
High: 85 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 56 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 76 °F
Sunny

Detailed Forecast

Today

Patchy smoke before 10am. Sunny, with a high near 81. West wind 6 to 8 mph becoming northeast in the afternoon.

Tonight

Increasing clouds, with a low around 60. Northeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 18 mph.

Saturday

A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

Sunday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 56. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Monday

Sunny, with a high near 76. West southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

Monday Night

Partly cloudy, with a low around 53. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Tuesday

Sunny, with a high near 76.

Tuesday Night

Mostly clear, with a low around 55.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.