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.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed SE 7 mph
Barometer 30.21 in
Dewpoint 59°F (15°C)
Visibility 2.50 mi
Last update 25 Sep 2:15 am CDT
Extended Forecast for

Big Stone City SD

  • Overnight

    Overnight: A slight chance of drizzle before 4am, then a slight chance of showers after 5am. Patchy fog. Otherwise, cloudy, with a low around 58. Southeast wind around 7 mph. Chance of precipitation is 10%.

    Low: 58 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 7am. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 66. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 66 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Showers, mainly after 1am. Low around 57. Southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Showers

  • Saturday

    Saturday: Showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. High near 63. Southeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely with a slight chance of drizzle before 7pm, then a slight chance of drizzle between 7pm and 1am. Cloudy, with a low around 56. Southeast wind 5 to 10 mph becoming light south southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely then
    Slight Chance
    Drizzle

  • Sunday

    Sunday: Partly sunny, with a high near 70. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. East southeast wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of drizzle after 1pm. Mostly cloudy, with a high near 70. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 70 °F

    Cloudy then
    Slight Chance
    Drizzle

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of drizzle before 4am, then a slight chance of showers after 5am. Patchy fog. Otherwise, cloudy, with a low around 58. Southeast wind around 7 mph. Chance of precipitation is 10%.
Friday
A slight chance of showers before 7am. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 66. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Friday Night
Showers, mainly after 1am. Low around 57. Southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. High near 63. Southeast wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely with a slight chance of drizzle before 7pm, then a slight chance of drizzle between 7pm and 1am. Cloudy, with a low around 56. Southeast wind 5 to 10 mph becoming light south southeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 70. Calm wind becoming east southeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 56. East southeast wind around 6 mph.
Monday
A slight chance of drizzle after 1pm. Mostly cloudy, with a high near 70. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Stone City SD
 45.3°N 96.46°W (Elev. 971 ft)
Last Update:
2:21 am CDT Sep 25, 2026
Forecast Valid:
2am CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation