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

N/A

Humidity NA
Wind Speed S 15 mph
Barometer 29.97 in
Dewpoint N/A
Visibility 10.00 mi
Last update 6 Jul 6:15 pm CDT
Extended Forecast for

Reliance SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 9pm and 1am. Partly cloudy, with a low around 67. South southeast wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96. Breezy, with an east northeast wind 10 to 15 mph becoming south southeast 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 96 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 67. Breezy, with a south wind 11 to 21 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms
    Likely and
    Breezy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 85. North northwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 85 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East wind 7 to 11 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. East southeast wind around 9 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny and hot, with a high near 91. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 91 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly between 9pm and 1am. Partly cloudy, with a low around 67. South southeast wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny and hot, with a high near 96. Breezy, with an east northeast wind 10 to 15 mph becoming south southeast 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 67. Breezy, with a south wind 11 to 21 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 85. North northwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Wednesday Night
Partly cloudy, with a low around 62. East wind 7 to 11 mph.
Thursday
Mostly sunny, with a high near 86. East southeast wind around 9 mph.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Friday
Mostly sunny and hot, with a high near 91. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 67. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny and hot, with a high near 96. Breezy.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 101. Breezy.
Sunday Night
Mostly clear, with a low around 73. Breezy.
Monday
Sunny and hot, with a high near 100. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reliance SD
 43.88°N 99.6°W (Elev. 1781 ft)
Last Update:
5:36 pm CDT Jul 6, 2026
Forecast Valid:
6pm CDT Jul 6, 2026-6pm CDT Jul 13, 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