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

82°F

28°C

Humidity 67%
Wind Speed S 7 mph
Barometer 30.12 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 6 Aug 1:15 pm CDT
Extended Forecast for

2 Miles NW Fort Thompson SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. East wind 8 to 10 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. East southeast wind 7 to 9 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny and hot, with a high near 95. Heat index values as high as 102. Southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Southeast wind 11 to 18 mph, with gusts as high as 26 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 96. Southeast wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 65. North northwest wind 8 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 86. West northwest wind 8 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. South southwest wind 6 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Northwest wind 6 to 10 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. East wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 68. East southeast wind 7 to 9 mph.
Thursday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 95. Heat index values as high as 102. Southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 70. Southeast wind 11 to 18 mph, with gusts as high as 26 mph.
Friday
Mostly sunny and hot, with a high near 96. Southeast wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. North northwest wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. West northwest wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 62. South southwest wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 86. Northwest wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Fort Thompson SD
 44.07°N 99.43°W (Elev. 1480 ft)
12:48 pm CDT Aug 6, 2025
1pm CDT Aug 6, 2025-6pm CDT Aug 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

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