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

Danville, Vermilion County Airport (KDNV)

Lat: 40.2°NLon: 87.6°WElev: 696ft.

Sky Obscured

86°F

30°C

Humidity 60%
Wind Speed NW 8 mph
Barometer 30.02 in
Dewpoint 71°F (22°C)
Visibility NA
Heat Index91°F (33°C)
Last update 8 Aug 4:15 pm CDT
Extended Forecast for

4 Miles NNW Potomac IL

  • Tonight

    Tonight: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 88. Heat index values as high as 100. South southwest wind around 8 mph, with gusts as high as 15 mph.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind 6 to 8 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 15 mph.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Light and variable wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 88. Heat index values as high as 100. South southwest wind around 8 mph, with gusts as high as 15 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind 6 to 8 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 8 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Potomac IL
 40.35°N 87.81°W (Elev. 696 ft)
Last Update:
1:51 pm CDT Aug 8, 2026
Forecast Valid:
4pm CDT Aug 8, 2026-6pm CDT Aug 15, 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