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

Hazardous Weather Conditions

Current conditions at

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Fair

72°F

22°C

Humidity 22%
Wind Speed SW 8 mph
Barometer 29.82 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 5:55 pm CDT
Extended Forecast for

Big Stone City SD

Red Flag Warning April 20, 05:59pm until April 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning April 20, 05:59pm until April 20, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 39 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 72. North northwest wind around 6 mph becoming light and variable.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Southeast wind 6 to 9 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Breezy, with a southeast wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 86 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 61. Breezy, with a south wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly sunny, with a high near 78. Breezy, with a south southeast wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers before 1am. Mostly clear, with a low around 39. Breezy, with a west wind 20 to 23 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a west wind 18 to 24 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. Calm wind becoming north northwest around 6 mph after midnight.
Tuesday
Sunny, with a high near 72. North northwest wind around 6 mph becoming light and variable.
Tuesday Night
Mostly clear, with a low around 46. Southeast wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 86. Breezy, with a southeast wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 61. Breezy, with a south wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 78. Breezy, with a south southeast wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers before 1am. Mostly clear, with a low around 39. Breezy, with a west wind 20 to 23 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 54. Breezy, with a west wind 18 to 24 mph.
Friday Night
Partly cloudy, with a low around 33. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Monday
A slight chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Stone City SD
 45.3°N 96.46°W (Elev. 971 ft)
Last Update:
5:51 pm CDT Apr 20, 2026
Forecast Valid:
5pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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