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.

Fair

84°F

29°C

Humidity 40%
Wind Speed S 12 mph
Barometer 30.10 in
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Heat Index83°F (28°C)
Last update 4 Oct 4:55 pm CDT
Extended Forecast for

Potomac IL

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind 3 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 23 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South wind 6 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. South wind 6 to 8 mph.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. North northeast wind 5 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. South wind 3 to 8 mph.
Sunday
Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 61. South wind 6 to 8 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. South wind 6 to 8 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 48. North northeast wind 5 to 8 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 73.
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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:
4:16 pm CDT Oct 4, 2025
Forecast Valid:
5pm CDT Oct 4, 2025-6pm CDT Oct 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