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Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

59°F

15°C

Humidity 49%
Wind Speed W 14 mph
Barometer 29.63 in (1001.7 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 15 May 5:56 am CDT
Extended Forecast for

Webster SD

Red Flag Warning May 15, 09:00am until May 15, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Sunny, with a high near 77. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. West wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West wind 5 to 8 mph becoming east in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 48. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Partly Cloudy
    then Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm. High near 69. Breezy, with an east wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. North wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 55. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.

    High: 55 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. Breezy, with a north wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers before 1pm. Cloudy, with a high near 49. Breezy, with a northwest wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 77. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 46. West wind 7 to 15 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 74. West wind 5 to 8 mph becoming east in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 48. Breezy, with an east wind 11 to 16 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 1pm. High near 69. Breezy, with an east wind 15 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. North wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 55. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. Breezy, with a north wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers before 1pm. Cloudy, with a high near 49. Breezy, with a northwest wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Tuesday Night
Patchy frost after 3am. Otherwise, mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
6:36 am CDT May 15, 2026
Forecast Valid:
6am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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