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.

Mostly Cloudy

70°F

21°C

Humidity 78%
Wind Speed SE 10 mph
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 26 Jun 8:15 pm CDT
Extended Forecast for

Big Stone City SD

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 32 mph.

    High: 81 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. Breezy, with a southeast wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Slight Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Southeast wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Southeast wind 5 to 9 mph becoming light.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.

    High: 96 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. West southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. West southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 81. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 32 mph.
Saturday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. Breezy, with a southeast wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Southeast wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 70. Southeast wind 5 to 9 mph becoming light.
Monday
Sunny and hot, with a high near 96. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. West southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. West southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. Chance of precipitation is 20%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 68. Chance of precipitation is 70%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. 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:
7:36 pm CDT Jun 26, 2026
Forecast Valid:
8pm CDT Jun 26, 2026-6pm CDT Jul 3, 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