Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

Iona SD

Severe T-storm Watch July 14, 09:35pm until July 14, 10:00pm

Click here for hazard details and duration

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Severe T-storm Watch July 14, 09:35pm until July 14, 10:00pm
NOW until 10:00pm Mon
Severe T-storm Watch
Tonight
Low: 74 °F
Severe
Thunderstorms
then Partly
Cloudy and
Breezy
Tuesday
High: 95 °F
Mostly Sunny
then Heavy
Rain
Tuesday Night
Low: 59 °F
Heavy Rain
Wednesday
High: 71 °F
Mostly Cloudy
Wednesday Night
Low: 54 °F
Chance
Showers
Thursday
High: 76 °F
Partly Sunny
Thursday Night
Low: 60 °F
Partly Cloudy
Friday
High: 85 °F
Slight Chance
T-storms and
Breezy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 74. Breezy, with a south southwest wind 15 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tuesday

Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly sunny and hot, with a high near 95. South wind around 18 mph becoming east in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Some of the storms could produce heavy rainfall. Low around 59. East wind around 17 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Mostly cloudy, with a high near 71. North wind 16 to 18 mph, with gusts as high as 28 mph.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North wind 13 to 17 mph. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 76. North wind 11 to 14 mph becoming east southeast in the afternoon.

Thursday Night

Partly cloudy, with a low around 60. Southeast wind 13 to 16 mph.

Friday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64. South southeast wind 11 to 17 mph becoming north after midnight. Chance of precipitation is 40%.

Saturday

Partly sunny, with a high near 85.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

Sunday

Partly sunny, with a high near 85.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Monday

Mostly sunny and hot, with a high near 92.