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

Hazardous Weather Conditions

Current conditions at

Brookings, Brookings Municipal Airport (KBKX)

Lat: 44.3°NLon: 96.82°WElev: 1647ft.

Fair

70°F

21°C

Humidity 76%
Wind Speed S 20 G 25 mph
Barometer 29.70 in (1005.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 3:56 am CDT
Extended Forecast for

Sinai SD

Heat Advisory June 20, 12:00pm until June 22, 06:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 94. Breezy, with a south southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 94 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 73 °F

    Increasing
    Clouds and
    Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 99. South southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 95 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 60. Breezy, with a west wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 60 °F

    T-storms
    Likely and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 94. Breezy, with a south southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Increasing clouds, with a low around 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny and hot, with a high near 99. South southwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 73. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 95. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 60. Breezy, with a west wind 15 to 20 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 74.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 54.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 70. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely. Cloudy, with a high near 73. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinai SD
 44.22°N 97.04°W (Elev. 1745 ft)
Last Update:
3:30 am CDT Jun 20, 2025
Forecast Valid:
4am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation