Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Ortonville, Ortonville Muncipal-Martinson Field Airport (KVVV)

Lat: 45.31°NLon: 96.42°WElev: 1099ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 1 Sep 10:15 pm CDT
Extended Forecast for

Big Stone City SD

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a slight chance of showers.  Mostly cloudy, with a low around 60. Light and variable wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the morning.

    High: 82 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. East southeast wind around 6 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 89 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. South southeast wind 5 to 9 mph becoming light southeast  after midnight.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 90. Calm wind becoming east southeast 5 to 9 mph in the afternoon.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers after 1am.  Mostly clear, with a low around 69. Southeast wind 6 to 8 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Clear then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 89. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 66. Southeast wind 6 to 9 mph.  Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 63. East southeast wind around 6 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 66. South southeast wind 5 to 9 mph becoming light southeast after midnight.
Friday
Sunny and hot, with a high near 90. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Friday Night
A slight chance of showers after 1am. Mostly clear, with a low around 69. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. South southeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers before 1pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Labor Day
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Stone City SD
 45.3°N 96.49°W (Elev. 1099 ft)
9:06 pm CDT Sep 1, 2026
10pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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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