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

Hazardous Weather Conditions

Current conditions at

WAGNERMUNC (KAGZ)

Lat: 43.06°NLon: 98.3°WElev: 1475ft.

Partly Cloudy

66°F

19°C

Humidity 30%
Wind Speed SE 12 mph
Barometer 29.81 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Apr 10:35 pm CDT
Extended Forecast for

Harrison SD

Red Flag Warning April 22, 12:00pm until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 93 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, mainly after 1am. Mostly cloudy, with a low around 58. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Windy. Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 20%.

    High: 76 °F

    Breezy.
    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 59. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 93. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Showers likely and possibly a thunderstorm, mainly after 1am. Mostly cloudy, with a low around 58. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Partly sunny, with a high near 76. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 37. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Friday
Sunny, with a high near 59. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 39.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 54. Breezy.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrison SD
 43.45°N 98.51°W (Elev. 1581 ft)
Last Update:
10:38 pm CDT Apr 21, 2026
Forecast Valid:
10pm CDT Apr 21, 2026-6pm CDT Apr 28, 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