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: Rain likely, mainly between 2pm and 5pm. Cloudy, with a high near 51. Northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 35. North wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Saturday

    Saturday: Sunny, with a high near 52. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West southwest wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 34. Light south southeast wind.

    Low: 34 °F

    Increasing
    Clouds

  • Monday

    Monday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 56. Light south southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Rain likely, mainly between 2pm and 5pm. Cloudy, with a high near 51. Northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 35. North wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 52. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 34. West southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 55. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 34. Light south southeast wind.
Monday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 56. Light south southeast wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Rain. Low around 46. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 24.
Thanksgiving Day
Mostly sunny, with a high near 40.
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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:
12:21 pm CST Nov 21, 2025
Forecast Valid:
1pm CST Nov 21, 2025-6pm CST Nov 27, 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