Extreme Heat and Fire Weather Conditions in the West; Heavy Rain in the Southeast; Poor Air Quality

Extreme heat will begin to peak across the Desert Southwest. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Poor air quality persists from the Upper Midwest into the Northeast due to wildfire smoke. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

83°F

28°C

Humidity 64%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 6 Aug 12:55 pm CDT
Extended Forecast for

Lower Brule SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. East wind 7 to 10 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. East southeast wind around 9 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 93. Heat index values as high as 98. Southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Southeast wind 13 to 18 mph, with gusts as high as 28 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 92. Southeast wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. North northwest wind 9 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 83. West northwest wind 8 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. South wind 6 to 9 mph becoming west after midnight.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Northwest wind 6 to 10 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. East wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 68. East southeast wind around 9 mph.
Thursday
Sunny and hot, with a high near 93. Heat index values as high as 98. Southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 69. Southeast wind 13 to 18 mph, with gusts as high as 28 mph.
Friday
Sunny and hot, with a high near 92. Southeast wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northwest wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 83. West northwest wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 61. South wind 6 to 9 mph becoming west after midnight.
Sunday
Mostly sunny, with a high near 82. Northwest wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Brule SD
 44.07°N 99.58°W (Elev. 1444 ft)
12:48 pm CDT Aug 6, 2025
1pm CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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