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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Fair

79°F

26°C

Humidity 17%
Wind Speed W 10 G 29 mph
Barometer 29.59 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Apr 2:15 pm CDT
Extended Forecast for

Norris SD

Red Flag Warning until April 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 16, 08:00pm

    NOW until 8:00pm Thu

    Red Flag Warning

  • This Afternoon

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A 50 percent chance of showers. Increasing clouds, with a low around 33. Breezy, with a west wind 10 to 15 mph becoming north 20 to 25 mph in the evening. Winds could gust as high as 38 mph.

    Low: 33 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of rain showers before 8am, then a chance of rain and snow showers between 8am and 4pm, then a chance of snow showers after 4pm. Mostly cloudy, with a high near 46. Wind chill values as low as 20 early. Breezy, with a north wind 25 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Wind chill values as low as 15. Blustery, with a northwest wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 53 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Blustery, with a northwest wind 19 to 24 mph becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 34 mph.

    Low: 28 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Southwest wind 8 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. East wind around 15 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 31 mph.
Tonight
A 50 percent chance of showers. Increasing clouds, with a low around 33. Breezy, with a west wind 10 to 15 mph becoming north 20 to 25 mph in the evening. Winds could gust as high as 38 mph.
Friday
A chance of rain showers before 8am, then a chance of rain and snow showers between 8am and 4pm, then a chance of snow showers after 4pm. Mostly cloudy, with a high near 46. Wind chill values as low as 20 early. Breezy, with a north wind 25 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Wind chill values as low as 15. Blustery, with a northwest wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 34 mph.
Saturday
Mostly sunny, with a high near 53. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.
Saturday Night
Mostly clear, with a low around 28. Blustery, with a northwest wind 19 to 24 mph becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 67. Southwest wind 8 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 38. East wind around 15 mph becoming south after midnight. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Norris SD
 43.46°N 101.19°W (Elev. 2500 ft)
Last Update:
1:32 pm CDT Apr 16, 2026
Forecast Valid:
2pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation