Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

BRITTON (KBTN)

Lat: 45.82°NLon: 97.74°WElev: 1318ft.

Fair

73°F

23°C

Humidity 53%
Wind Speed NE 6 mph
Barometer 30.14 in
Dewpoint 55°F (13°C)
Visibility 9.00 mi
Last update 27 Aug 12:15 pm CDT
Extended Forecast for

Lake City SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. North northeast wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light and variable wind becoming southeast 5 to 8 mph after midnight.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 3pm.  Increasing clouds, with a high near 80. South southeast wind 9 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 2am.  Increasing clouds, with a low around 64. South wind 11 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 7am.  Partly sunny, with a high near 81. South southeast wind around 9 mph.  Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 63. East wind around 8 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers before 1pm.  Mostly sunny, with a high near 81. East wind 7 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 61. North wind 7 to 9 mph becoming south southwest after midnight.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 79. West northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. North northeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 56. Light and variable wind becoming southeast 5 to 8 mph after midnight.
Friday
A slight chance of showers after 3pm. Increasing clouds, with a high near 80. South southeast wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 2am. Increasing clouds, with a low around 64. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers before 7am. Partly sunny, with a high near 81. South southeast wind around 9 mph. Chance of precipitation is 10%.
Saturday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East wind around 8 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers before 1pm. Mostly sunny, with a high near 81. East wind 7 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. North wind 7 to 9 mph becoming south southwest after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 79. West northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake City SD
 45.72°N 97.41°W (Elev. 1890 ft)
12:06 pm CDT Aug 27, 2026
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

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