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

Hazardous Weather Conditions

Current conditions at

VERMILLION (KVMR)

Lat: 42.77°NLon: 96.93°WElev: 1147ft.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 29.92 in
Dewpoint N/A
Visibility 10.00 mi
Last update 15 Aug 7:15 pm CDT
Extended Forecast for

5 Miles ENE Gayville SD

Heat Advisory August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers between 7am and 11am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 107. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southeast wind around 10 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 5 to 10 mph.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 91. South southwest wind around 5 mph becoming west in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph.
Saturday
A slight chance of showers between 7am and 11am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 107. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southeast wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 91. South southwest wind around 5 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Gayville SD
 42.93°N 97.1°W (Elev. 1234 ft)
Last Update:
6:56 pm CDT Aug 15, 2025
Forecast Valid:
7pm CDT Aug 15, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation