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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

63°F

17°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.93 in (1011.8 mb)
Dewpoint 61°F (16°C)
Visibility NA
Last update 2 Aug 6:56 am CDT
Extended Forecast for

Webster SDSimilar City Names

  • Today

    Today: Mostly sunny, with a high near 86. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. South southeast wind around 18 mph, with gusts as high as 32 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 9am and 11am. Mostly sunny, with a high near 85. Breezy, with a south wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 85 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am. Partly cloudy, with a low around 57. West wind 9 to 18 mph becoming north northwest in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Sunny, with a high near 72. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Light and variable wind becoming south around 6 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 77. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 7 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 67. South southeast wind around 18 mph, with gusts as high as 32 mph.
Monday
A slight chance of showers between 9am and 11am. Mostly sunny, with a high near 85. Breezy, with a south wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am. Partly cloudy, with a low around 57. West wind 9 to 18 mph becoming north northwest in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 72. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 55. Light and variable wind becoming south around 6 mph after midnight.
Wednesday
Sunny, with a high near 77. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind 7 to 10 mph.
Thursday
Sunny, with a high near 79. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Webster SDSimilar City Names
 45.33°N 97.52°W (Elev. 1831 ft)
Last Update:
6:36 am CDT Aug 2, 2026
Forecast Valid:
7am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

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