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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

BRITTON (KBTN)

Lat: 45.82°NLon: 97.74°WElev: 1318ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed S 12 G 21 mph
Barometer 29.89 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Aug 5:15 pm CDT
Extended Forecast for

8 Miles W Lake City SD

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. South southeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, mainly before 7am. Mostly sunny, with a high near 81. Southeast wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 66. East wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 83. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 80. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. West wind around 6 mph becoming southeast after midnight.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 80. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 63. East wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. South southeast wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, mainly before 7am. Mostly sunny, with a high near 81. Southeast wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 66. East wind 8 to 10 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 83. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Southeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 80. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 62. West wind around 6 mph becoming southeast after midnight.
Tuesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 80. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 63. East wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A slight chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 65. Chance of precipitation is 20%.
Friday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Lake City SD
 45.73°N 97.59°W (Elev. 1795 ft)
Last Update:
5:06 pm CDT Aug 28, 2026
Forecast Valid:
5pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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Chance of Precipitation