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Hazardous Weather Conditions

Current conditions at

Brookings, Brookings Municipal Airport (KBKX)

Lat: 44.3°NLon: 96.82°WElev: 1647ft.

Fair

76°F

24°C

Humidity 74%
Wind Speed W 6 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Aug 8:56 pm CDT
Extended Forecast for

Sinai SD

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. South southwest wind around 5 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 77. West wind around 5 mph becoming north in the morning.

    High: 77 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. North northwest wind around 5 mph becoming east southeast after midnight.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. East southeast wind around 5 mph becoming west southwest in the afternoon.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 57. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. South southwest wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 77. West wind around 5 mph becoming north in the morning.
Tuesday Night
Partly cloudy, with a low around 55. North northwest wind around 5 mph becoming east southeast after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. East southeast wind around 5 mph becoming west southwest in the afternoon.
Wednesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 57. South wind around 5 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sinai SD
 44.24°N 97.04°W (Elev. 1749 ft)
Last Update:
8:23 pm CDT Aug 17, 2026
Forecast Valid:
9pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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