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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Overcast

51°F

11°C

Humidity 80%
Wind Speed N 16 G 23 mph
Barometer 29.90 in (1013.0 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 27 Apr 11:56 pm CDT
Extended Forecast for

5 Miles W Lyons SD

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Cloudy, with a low around 43. Northeast wind around 15 mph, with gusts as high as 30 mph.

    Slight Chance
    Showers

    Low: 43 °F

  • Sunday

    Sunday: Showers and thunderstorms likely before 9am, then showers and possibly a thunderstorm between 9am and 4pm, then showers after 4pm. High near 50. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers and
    Breezy

    High: 50 °F

  • Sunday
    Night

    Sunday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Cloudy, with a low around 39. North northeast wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 39 °F

  • Monday

    Monday: Mostly cloudy, with a high near 57. West wind around 15 mph, with gusts as high as 30 mph.

    Mostly Cloudy

    High: 57 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 41. West wind 5 to 10 mph becoming southeast after midnight.

    Mostly Clear

    Low: 41 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Partly sunny, with a high near 68. Breezy, with a south southeast wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.

    Showers
    Likely and
    Breezy

    High: 68 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 41. Breezy.

    Mostly Clear
    and Breezy
    then Mostly
    Clear

    Low: 41 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    Partly Sunny

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Mostly Cloudy

    Low: 46 °F

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Cloudy, with a low around 43. Northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
Showers and thunderstorms likely before 9am, then showers and possibly a thunderstorm between 9am and 4pm, then showers after 4pm. High near 50. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers after 1am. Cloudy, with a low around 39. North northeast wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, with a high near 57. West wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 41. West wind 5 to 10 mph becoming southeast after midnight.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Partly sunny, with a high near 68. Breezy, with a south southeast wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 41. Breezy.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 60.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 59.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
5 Miles W Lyons SD
 43.73°N 96.88°W (Elev. 1535 ft)
Last Update:
10:33 pm CDT Apr 27, 2024
Forecast Valid:
12am CDT Apr 28, 2024-6pm CDT May 3, 2024
 
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