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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Brookings, Brookings Municipal Airport (KBKX)

Lat: 44.3°NLon: 96.82°WElev: 1647ft.

Fair

55°F

13°C

Humidity 59%
Wind Speed S 20 G 24 mph
Barometer 30.03 in (1018.1 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 3 Oct 8:56 am CDT
Extended Forecast for

Sinai SD

Wind Advisory until October 3, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until October 3, 01:00pm

    NOW until 1:00pm Sat

    Wind Advisory

  • Today

    High: 70 °F

    Breezy then
    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northwest wind around 5 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Today
A chance of sprinkles before 3pm, then a slight chance of showers between 3pm and 4pm, then a chance of sprinkles after 4pm. Mostly sunny, with a high near 70. Breezy, with a west southwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 64. Northwest wind around 5 mph.
Sunday Night
Clear, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 66. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sinai SD
 44.24°N 97.04°W (Elev. 1749 ft)
Last Update:
6:28 am CDT Oct 3, 2026
Forecast Valid:
9am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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