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 >

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

A Few Clouds

69°F

21°C

Humidity 51%
Wind Speed SW 5 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 3 Oct 4:56 pm CDT
Extended Forecast for

Monroe SD

  • Tonight

    Tonight: Mostly clear, with a low around 47. North northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 67. Northwest wind around 5 mph.

    High: 67 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 70 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. South wind around 10 mph becoming west northwest in the afternoon.

    High: 78 °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. North northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 67. Northwest wind around 5 mph.
Sunday Night
Clear, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 70. Breezy, with a south wind 10 to 15 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 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 78. South wind around 10 mph becoming west northwest 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 71.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 77. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monroe SD
 43.49°N 97.2°W (Elev. 1499 ft)
Last Update:
4:53 pm CDT Oct 3, 2026
Forecast Valid:
5pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation