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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Breezy

46°F

8°C

Humidity 77%
Wind Speed NW 21 G 36 mph
Barometer 30.11 in (1020.3 mb)
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 15 Oct 7:56 pm CDT
Extended Forecast for

Webster SD

  • Tonight

    Tonight: Showers likely before 4am, then a chance of sprinkles between 4am and 5am. Cloudy, with a low around 35. Breezy, with a north northwest wind 22 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of sprinkles before 7am. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a north wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 45 °F

    Breezy then
    Sunny

  • Friday Night

    Friday Night: Widespread frost between 9pm and 1am. Otherwise, clear, with a low around 33. Light and variable wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 24 mph.

    Low: 33 °F

    Frost

  • Saturday

    Saturday: Sunny, with a high near 58. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 33 mph.

    High: 58 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. South southwest wind 13 to 16 mph, with gusts as high as 30 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. North wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. East wind 5 to 8 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. East wind around 7 mph.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely before 4am, then a chance of sprinkles between 4am and 5am. Cloudy, with a low around 35. Breezy, with a north northwest wind 22 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of sprinkles before 7am. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a north wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Widespread frost between 9pm and 1am. Otherwise, clear, with a low around 33. Light and variable wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 58. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 45. South southwest wind 13 to 16 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 64. South southwest wind 7 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 41. North wind 3 to 5 mph.
Monday
Sunny, with a high near 63. East wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 44. East wind around 7 mph.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 67.
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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:
7:21 pm CDT Oct 15, 2026
Forecast Valid:
8pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation