Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. 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

70°F

21°C

Humidity	78%
Wind Speed	SE 14 G 22 mph
Barometer	29.97 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	5 Sep 8:35 am CDT

More Information:

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

Extended Forecast for

Reliance SD

Today
High: 94 °F
Hot and
Breezy
Tonight
Low: 69 °F
Chance
T-storms
Sunday
High: 89 °F
Chance
Showers
Sunday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Labor Day
High: 91 °F
Chance
Showers and
Breezy
Monday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 83 °F
Mostly Sunny
and Breezy
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny

Detailed Forecast

Today

Sunny and hot, with a high near 94. Breezy, with a south southeast wind 15 to 25 mph.

Tonight

A chance of showers and thunderstorms before 4am, then a slight chance of showers. Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Sunday

A chance of showers, mainly before 2pm. Partly sunny, then gradually becoming sunny, with a high near 89. Southeast wind 9 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Sunday Night

A chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 68. Southeast wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Labor Day

A chance of showers, with thunderstorms also possible after 4pm. Partly sunny and hot, with a high near 91. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

Monday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

Tuesday

Mostly sunny, with a high near 83. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Tuesday Night

Mostly clear, with a low around 59. Northwest wind around 9 mph.

Wednesday

Sunny, with a high near 80. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

Wednesday Night

Partly cloudy, with a low around 58.

Thursday

Mostly sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 61.