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

DESMET (K6E5)

Lat: 44.43°NLon: 97.56°WElev: 1729ft.

Fair

64°F

18°C

Humidity 56%
Wind Speed S 6 mph
Barometer 30.03 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 3:35 pm CDT
Extended Forecast for

Erwin SD

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 4pm. Mostly cloudy early, then becoming sunny, with a high near 65. East northeast wind around 5 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 45. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Northwest wind 5 to 10 mph.

    High: 65 °F

    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 68. 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: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 4pm. Mostly cloudy early, then becoming sunny, with a high near 65. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 45. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 65. Northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 68. 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 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Erwin SD
 44.5°N 97.44°W (Elev. 1854 ft)
Last Update:
3:38 pm CDT Oct 3, 2026
Forecast Valid:
3pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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