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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Potomac IL

  • Today

    Today: Sunny, with a high near 66. Breezy, with a southwest wind 11 to 21 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. North northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 60. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 60 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely after midnight. Mostly cloudy, with a low around 47. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: A 50 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 68. West wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 68 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. West wind 5 to 8 mph becoming calm after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Partly sunny, with a high near 56. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Breezy, with a southwest wind 11 to 21 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 31. North northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Thursday
Increasing clouds, with a high near 60. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Rain likely after midnight. Mostly cloudy, with a low around 47. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 68. West wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 38. West wind 5 to 8 mph becoming calm after midnight.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 56. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 20.
Veterans Day
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potomac IL
 40.3°N 87.79°W (Elev. 673 ft)
Last Update:
5:36 am CST Nov 5, 2025
Forecast Valid:
5am CST Nov 5, 2025-6pm CST Nov 11, 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