Heavy Rain and Flooding Concerns From the Southwest to the Upper Midwest; Heat Continues to Build in the East

Widespread showers and thunderstorms are expected to develop Friday afternoon in the Four Corners region and northern High Plains through the Upper Midwest. Stronger storms may produce heavy to excessive rainfall that will likely lead to scattered instances of flash and urban flooding. Meanwhile, the ongoing dangerous heat wave will peak across the Midwest and Mid-Atlantic through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Heavy Rain and Breezy

64°F

18°C

Humidity	100%
Wind Speed	SE 25 G 37 mph
Barometer	30.14 in
Dewpoint	64°F (18°C)
Visibility	1.00 mi
Last update	20 Jun 8:55 pm CDT

More Information:

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

Extended Forecast for

Lower Brule SD

Flood Watch June 20, 09:19pm until June 22, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch June 20, 09:19pm until June 22, 07:00am
NOW until 7:00am Sat
Flood Watch
Tonight
Low: 60 °F
Heavy Rain
Friday
High: 74 °F
Chance
T-storms then
Showers
Friday Night
Low: 62 °F
T-storms
Likely then
T-storms
Saturday
High: 79 °F
Showers
Likely then
Mostly Sunny
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 94 °F
Hot

Detailed Forecast

Tonight

Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely, mainly between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 60. East wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. High near 74. East wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Low around 62. East northeast wind 6 to 8 mph becoming north northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers likely and possibly a thunderstorm before 7am. Cloudy through mid morning, then gradual clearing, with a high near 79. Northwest wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Mostly clear, with a low around 61. Northwest wind 5 to 8 mph becoming southwest in the evening.

Sunday

Sunny, with a high near 84. East southeast wind 5 to 9 mph.

Sunday Night

Mostly clear, with a low around 66. East southeast wind around 11 mph.

Monday

Sunny and hot, with a high near 94. Southeast wind around 14 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

Monday Night

Mostly clear, with a low around 65. North northwest wind 6 to 10 mph.

Tuesday

Sunny, with a high near 84.