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

Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

86°F

30°C

Humidity 39%
Wind Speed NA
Barometer 29.87 in (1009.5 mb)
Dewpoint 58°F (14°C)
Visibility NA
Heat Index85°F (29°C)
Last update 13 Jul 12:56 pm CDT
Extended Forecast for

Webster SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West southwest wind 6 to 8 mph becoming northwest.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. South wind 6 to 15 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 68. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. South wind 13 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. North northeast wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. North northeast wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 52. North northeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 69. North wind 8 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West southwest wind 6 to 8 mph becoming northwest.
Tonight
Mostly clear, with a low around 63. North northwest wind 5 to 10 mph becoming light and variable.
Monday
Sunny, with a high near 88. South wind 6 to 15 mph.
Monday Night
A chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 68. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. South wind 13 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. North northeast wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. North northeast wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 52. North northeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 69. North wind 8 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A chance of showers after 1am. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Webster SD
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
1:01 pm CDT Jul 13, 2025
Forecast Valid:
1pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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