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

55°F

13°C

Humidity 69%
Wind Speed Calm
Barometer 30.05 in (1018.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 12:56 am CDT
Extended Forecast for

Sinai SD

  • Overnight

    Overnight: Partly cloudy, with a low around 48. West northwest wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 76. Northwest wind around 5 mph becoming east in the afternoon.

    High: 76 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after midnight. Cloudy, with a low around 55. East wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Cloudy, with a high near 68. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 73. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. West northwest wind around 5 mph.
Saturday
Increasing clouds, with a high near 76. Northwest wind around 5 mph becoming east in the afternoon.
Saturday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 55. East wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Showers likely, mainly after 1pm. Cloudy, with a high near 68. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 52. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 73. Northeast wind around 5 mph becoming southeast in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinai SD
 44.24°N 97.07°W (Elev. 1749 ft)
Last Update:
11:47 pm CDT Jun 19, 2026
Forecast Valid:
1am CDT Jun 20, 2026-6pm CDT Jun 26, 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