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

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Partly Cloudy

73°F

23°C

Humidity 41%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 3:15 pm CDT
Extended Forecast for

Big Stone City SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Light north wind.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 52. East northeast wind 3 to 5 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 71. East wind 6 to 9 mph.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. East northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 55. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 70. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 69. North northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Light north wind.
Tonight
Increasing clouds, with a low around 52. East northeast wind 3 to 5 mph.
Sunday
Mostly cloudy, with a high near 71. East wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 51. East northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 74. Light and variable wind.
Monday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 55. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 70. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 69. North northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Stone City SD
 45.3°N 96.46°W (Elev. 971 ft)
Last Update:
2:36 pm CDT Jun 20, 2026
Forecast Valid:
3pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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