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

Brookings, Brookings Municipal Airport (KBKX)

Lat: 44.3°NLon: 96.82°WElev: 1647ft.

Fair

0°F

-18°C

Humidity 83%
Wind Speed NE 9 mph
Barometer 30.67 in (1044.0 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 23 Feb 12:56 am CST
Extended Forecast for

Sinai SD

  • Overnight

    Overnight: Partly cloudy, with a low around -3. North northeast wind around 5 mph becoming east.

    Low: -3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Breezy, with an east southeast wind 5 to 10 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 29 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. Breezy, with a southwest wind 15 to 20 mph becoming northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.

    High: 41 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 31. North wind 5 to 10 mph becoming south southeast in the afternoon. New snow accumulation of less than one inch possible.

    High: 31 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around -3. North northeast wind around 5 mph becoming east.
Monday
Sunny, with a high near 29. Breezy, with an east southeast wind 5 to 10 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 20. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, with a high near 41. Breezy, with a southwest wind 15 to 20 mph becoming northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.
Tuesday Night
Mostly clear, with a low around 10. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 31. North wind 5 to 10 mph becoming south southeast in the afternoon. New snow accumulation of less than one inch possible.
Wednesday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Thursday
Sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 51. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 12. Blustery. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 23.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 5.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinai SD
 44.24°N 97.04°W (Elev. 1749 ft)
Last Update:
12:33 am CST Feb 23, 2026
Forecast Valid:
1am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation