Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

81°F

27°C

Humidity	79%
Wind Speed	E 5 mph
Barometer	29.75 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	29 Aug 8:15 pm CDT

More Information:

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

Extended Forecast for

Gann Valley SD

Tonight
Low: 68 °F
Chance
Showers then
Slight Chance
T-storms
Sunday
High: 92 °F
Hot
Sunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 65 °F
Mostly Cloudy
Tuesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 62 °F
Chance
T-storms
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 65 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 68. East northeast wind 6 to 13 mph. Chance of precipitation is 30%.

Sunday

Mostly sunny and hot, with a high near 92. East wind 6 to 10 mph becoming west southwest in the afternoon.

Sunday Night

Partly cloudy, with a low around 64. Southwest wind 7 to 10 mph becoming east southeast in the evening.

Monday

Mostly sunny, with a high near 86. North wind 6 to 8 mph becoming east in the afternoon.

Monday Night

Mostly cloudy, with a low around 65. East wind 3 to 5 mph.

Tuesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East southeast wind 5 to 9 mph. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. East wind 6 to 9 mph. Chance of precipitation is 50%.

Wednesday

Mostly sunny, with a high near 87. East wind 6 to 11 mph, with gusts as high as 20 mph.

Wednesday Night

A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Southeast wind 8 to 10 mph. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 87.

Thursday Night

Mostly clear, with a low around 64.

Friday

Mostly sunny, with a high near 89.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 87.