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.

Fog

N/A

Humidity NA
Wind Speed E 8 mph
Barometer 29.54 in
Dewpoint N/A
Visibility 0.50 mi
Last update 29 Jun 4:35 am CDT
Extended Forecast for

12 Miles WSW Gann Valley SD

Severe T-storm Watch until June 29, 06:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until June 29, 06:00am

    NOW until 6:00am Mon

    Severe T-storm Watch

  • Overnight

    Low: 73 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am. Some of the storms could be severe. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Northeast wind 10 to 18 mph becoming southwest in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 10%.

    High: 88 °F

    Severe
    Thunderstorms
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West wind 5 to 8 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. South wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Southeast wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 63. Northwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 10%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 1pm. Mostly sunny and hot, with a high near 91. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Some of the storms could be severe. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 73. East wind around 8 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 7am. Some of the storms could be severe. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Northeast wind 10 to 18 mph becoming southwest in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 10%.
Monday Night
Mostly clear, with a low around 59. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 88. West wind 5 to 8 mph.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. South wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Southeast wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 63. Northwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 10%.
Thursday
A chance of showers after 1pm. Mostly sunny and hot, with a high near 91. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 65. West wind 5 to 14 mph becoming east after midnight. Chance of precipitation is 60%.
Friday
Mostly sunny and hot, with a high near 90.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Gann Valley SD
 43.95°N 99.19°W (Elev. 1506 ft)
Last Update:
4:36 am CDT Jun 29, 2026
Forecast Valid:
4am CDT Jun 29, 2026-6pm CDT Jul 5, 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