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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. 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 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 18 Aug 2:35 am CDT
Extended Forecast for

8 Miles ENE Wilmot SD

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Light south southeast wind.

    Low: 67 °F

    Patchy Fog

  • Monday

    Monday: Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 6 to 8 mph becoming north northwest in the afternoon.

    High: 81 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Southeast wind around 9 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. South wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Light south southeast wind.
Monday
Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 6 to 8 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 63. Southeast wind around 9 mph.
Thursday
Sunny, with a high near 85. South wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 6 to 9 mph becoming north northwest after midnight. Chance of precipitation is 50%.
Friday
A slight chance of showers before 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Wilmot SD
 45.45°N 96.7°W (Elev. 1106 ft)
Last Update:
2:00 am CDT Aug 18, 2025
Forecast Valid:
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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