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

Hazardous Weather Conditions

Current conditions at

DESMET (K6E5)

Lat: 44.43°NLon: 97.56°WElev: 1729ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Last update 18 Aug 10:15 pm CDT
Extended Forecast for

Erwin SD

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. North wind around 5 mph becoming southeast after midnight.

    Low: 66 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 86. South wind around 5 mph becoming north in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. East wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South southeast wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South wind around 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. North wind around 5 mph becoming southeast after midnight.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. South wind around 5 mph becoming north in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. East wind around 5 mph.
Wednesday
Sunny, with a high near 85. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 66. Southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 87. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Erwin SD
 44.5°N 97.47°W (Elev. 1847 ft)
Last Update:
9:41 pm CDT Aug 18, 2025
Forecast Valid:
10pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation