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

68°F

20°C

Humidity 23%
Wind Speed S 20 G 29 mph
Barometer 29.87 in
Dewpoint 28°F (-2°C)
Visibility 9.00 mi
Last update 20 Apr 2:55 pm CDT
Extended Forecast for

Erwin SD

Red Flag Warning April 20, 03:13pm until April 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 20, 03:13pm until April 20, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 41. South southwest wind 5 to 10 mph becoming north northeast after midnight.

    Low: 41 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 75. Northeast wind around 10 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 85 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 40 mph.

    Low: 58 °F

    Windy. Mostly
    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 73. Breezy.

    High: 73 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 41. South southwest wind 5 to 10 mph becoming north northeast after midnight.
Tuesday
Sunny, with a high near 75. Northeast wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 52. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 85. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Windy, with a south southeast wind 25 to 30 mph, with gusts as high as 40 mph.
Thursday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 73. Breezy.
Thursday Night
Partly cloudy, with a low around 36. Breezy.
Friday
Mostly sunny, with a high near 54. Breezy.
Friday Night
Partly cloudy, with a low around 30. Blustery.
Saturday
Mostly sunny, with a high near 51. Breezy.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 53.
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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:
2:48 pm CDT Apr 20, 2026
Forecast Valid:
3pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation