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

Excessive Rainfall Possible for the Gulf Coast and Florida; 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 parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Fair

70°F

21°C

Humidity 30%
Wind Speed NW 7 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 4 Oct 4:56 pm CDT
Extended Forecast for

5 Miles W Lyons SD

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. 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: 72 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. North northwest wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. North northwest wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 72. 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 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 77. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 72. North northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 58. Breezy.
Saturday
Sunny, with a high near 76. Breezy.
Saturday Night
Mostly clear, with a low around 60. Breezy.
Sunday
Mostly sunny, with a high near 72. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Lyons SD
 43.73°N 96.88°W (Elev. 1535 ft)
Last Update:
3:43 pm CDT Oct 4, 2026
Forecast Valid:
5pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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