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 >

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Fair

58°F

14°C

Humidity 75%
Wind Speed W 7 mph
Barometer 30.18 in (1021.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 3 Oct 9:56 pm CDT
Extended Forecast for

Hartford SD

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 5 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. North northwest wind around 5 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. North northwest wind around 5 mph becoming calm.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69. 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: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. South wind around 10 mph becoming west in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 68. North northwest wind around 5 mph.
Sunday Night
Clear, with a low around 46. North northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 69. 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 56. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 77. South wind around 10 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 76. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartford SD
 43.62°N 96.94°W (Elev. 1565 ft)
Last Update:
9:58 pm CDT Oct 3, 2026
Forecast Valid:
10pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
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