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

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair with Haze

52°F

11°C

Humidity 68%
Wind Speed SE 3 mph
Barometer 29.69 in
Dewpoint 42°F (6°C)
Visibility 2.50 mi
Last update 22 Apr 7:55 am CDT
Extended Forecast for

2 Miles SW Lower Brule SD

Red Flag Warning April 22, 11:00am until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Mostly sunny and hot, with a high near 93. Windy, with a south wind 8 to 18 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 93 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Low around 52. Breezy, with a south wind 16 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 71. Breezy, with a west northwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 71 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Breezy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 37 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 56. Northwest wind 15 to 18 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 34. North northwest wind 9 to 15 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Partly sunny, with a high near 60. North northeast wind 9 to 15 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 39. East southeast wind 10 to 14 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers. High near 53. East wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 53 °F

    Showers

Detailed Forecast

Today
Mostly sunny and hot, with a high near 93. Windy, with a south wind 8 to 18 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Showers and thunderstorms, mainly before 1am. Low around 52. Breezy, with a south wind 16 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 71. Breezy, with a west northwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
Partly cloudy, with a low around 36. Breezy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 37 mph.
Friday
Mostly sunny, with a high near 56. Northwest wind 15 to 18 mph.
Friday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 34. North northwest wind 9 to 15 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Partly sunny, with a high near 60. North northeast wind 9 to 15 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 39. East southeast wind 10 to 14 mph. Chance of precipitation is 30%.
Sunday
Showers. High near 53. East wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 1am. Cloudy, with a low around 36. Breezy. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 40%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 58. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lower Brule SD
 44.05°N 99.61°W (Elev. 1736 ft)
Last Update:
7:36 am CDT Apr 22, 2026
Forecast Valid:
8am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation