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.

Mostly Cloudy

79°F

26°C

Humidity 79%
Wind Speed NE 17 G 25 mph
Barometer 29.82 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 15 Jul 5:50 pm CDT
Extended Forecast for

Erwin SD

Severe T-storm Watch July 15, 06:42pm until July 15, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch July 15, 06:42pm until July 15, 11:00pm

    NOW until 11:00pm Tue

    Severe T-storm Watch

  • Tonight

    Low: 58 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. North northeast wind around 10 mph becoming southeast in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall. Areas of smoke after 2am. Low around 58. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 50. North wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 71. North northeast wind around 10 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 86.
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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:
6:33 pm CDT Jul 15, 2025
Forecast Valid:
6pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation