Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

Lat: 43.26°NLon: 100.86°WElev: 2724ft.

Fair

75°F

24°C

Humidity 31%
Wind Speed Calm
Barometer 29.69 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 Apr 1:15 pm CDT
Extended Forecast for

Norris SD

Red Flag Warning April 13, 01:32pm until April 13, 10:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 13, 01:32pm until April 13, 10:00pm

    NOW until 10:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 80 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Breezy, with a west wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 67. Northwest wind 3 to 8 mph.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 41. Northeast wind around 6 mph becoming southwest after midnight.

    Low: 41 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Mostly sunny, with a high near 72. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 30 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 26 mph becoming northwest after midnight. Winds could gust as high as 37 mph.

    Low: 34 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.
Tonight
Increasing clouds, with a low around 42. Breezy, with a west wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 67. Northwest wind 3 to 8 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41. Northeast wind around 6 mph becoming southwest after midnight.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 72. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 48. South wind around 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 81. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 30 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 26 mph becoming northwest after midnight. Winds could gust as high as 37 mph.
Friday
A chance of rain and snow showers before noon, then a chance of snow showers. Mostly cloudy, with a high near 46. Windy.
Friday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 25. Blustery.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 49. Breezy.
Saturday Night
Mostly clear, with a low around 26. Blustery.
Sunday
Sunny, with a high near 66. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Norris SD
 43.46°N 101.19°W (Elev. 2500 ft)
11:27 am CDT Apr 13, 2026
1pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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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