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

Hazardous Weather Conditions

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

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 50. East northeast wind around 6 mph.

    High: 50 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Cloudy, with a low around 39. North northeast wind around 6 mph.

    Low: 39 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 50. East northeast wind around 6 mph becoming calm in the afternoon.

    High: 50 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Cloudy, with a high near 57. Calm wind becoming south around 6 mph in the morning.

    High: 57 °F

    Cloudy then
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 55. North northeast wind 3 to 7 mph.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 50. East northeast wind around 6 mph.
Tonight
Cloudy, with a low around 39. North northeast wind around 6 mph.
Wednesday
Cloudy, with a high near 50. East northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Cloudy, with a low around 39. Calm wind.
Thursday
A 30 percent chance of rain after noon. Cloudy, with a high near 57. Calm wind becoming south around 6 mph in the morning.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 45. Light and variable wind.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 55. North northeast wind 3 to 7 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potomac IL
 40.3°N 87.79°W (Elev. 673 ft)
Last Update:
4:11 pm CST Nov 18, 2025
Forecast Valid:
5pm CST Nov 18, 2025-6pm CST Nov 25, 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