National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain Expected Tonight and Friday Night with Flash Flooding Possible

Periods of rain & thunderstorms are expected into Saturday, with areas of heavy rain likely tonight and again Friday night. The heavy rains will bring a potential for flash flooding, as well as additional rises on area rivers & creeks. Monitor the latest river levels and rainfall forecasts here. Read More >

Hazardous Weather Conditions

Current conditions at

Madison Municipal Airport (KMDS)

Lat: 44.02°NLon: 97.09°WElev: 1718ft.

Light Rain

63°F

17°C

Humidity 100%
Wind Speed SE 13 mph
Barometer 30.21 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 20 Jun 11:55 pm CDT
Extended Forecast for

Egan SD

Flood Watch June 21, 12:02am until June 22, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 21, 12:02am until June 22, 07:00am

    NOW until 7:00am Sat

    Flood Watch

  • Overnight

    Low: 60 °F

    Heavy Rain

  • Friday

    Friday: Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers and thunderstorms likely after 4am. Low around 66. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 66 °F

    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 78. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Northwest wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 1am, then showers and thunderstorms between 1am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 60. East southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers and thunderstorms likely after 4am. Low around 66. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 78. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 82. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Egan SD
 43.99°N 96.65°W (Elev. 1532 ft)
Last Update:
10:46 pm CDT Jun 20, 2024
Forecast Valid:
12am CDT Jun 21, 2024-6pm CDT Jun 27, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation