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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Fair

81°F

27°C

Humidity 39%
Wind Speed S 13 G 21 mph
Barometer 29.57 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Oct 11:35 am CDT
Extended Forecast for

Big Stone City SD

  • Today

    Today: Patchy blowing dust. Sunny, with a high near 89. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 37 mph.

    High: 89 °F

    Patchy
    Blowing Dust
    and Breezy

  • Tonight

    Tonight: Clear, with a low around 60. South wind 5 to 9 mph becoming light south southeast after midnight. Winds could gust as high as 28 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 77. North northwest wind 3 to 8 mph.

    High: 77 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. North northwest wind 9 to 13 mph.

    Low: 53 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers after 1pm. Mostly cloudy, with a high near 68. North wind around 10 mph. Chance of precipitation is 40%.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. North northwest wind around 10 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 1pm. Mostly sunny, with a high near 61. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy blowing dust. Sunny, with a high near 89. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 37 mph.
Tonight
Clear, with a low around 60. South wind 5 to 9 mph becoming light south southeast after midnight. Winds could gust as high as 28 mph.
Sunday
Increasing clouds, with a high near 77. North northwest wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 53. North northwest wind 9 to 13 mph.
Columbus Day
A chance of showers after 1pm. Mostly cloudy, with a high near 68. North wind around 10 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 47. Northwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 59. North northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 43. Light northeast wind.
Wednesday
A chance of showers after 1pm. Mostly sunny, with a high near 61. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 54.
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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:
11:21 am CDT Oct 10, 2026
Forecast Valid:
11am CDT Oct 10, 2026-6pm CDT Oct 16, 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