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.

Mostly Cloudy

61°F

16°C

Humidity 39%
Wind Speed SW 18 G 24 mph
Barometer 29.96 in
Dewpoint 36°F (2°C)
Visibility 5.00 mi
Last update 7 May 1:15 pm CDT
Extended Forecast for

Potomac IL

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 61. West southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 46. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 68. South southwest wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. South southwest wind 3 to 7 mph.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then becoming sunny, with a high near 76. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 51. West wind 5 to 8 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 66. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

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

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 61. West southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 46. South southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 68. South southwest wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 50. South southwest wind 3 to 7 mph.
Saturday
Mostly cloudy through mid morning, then becoming sunny, with a high near 76. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 51. West wind 5 to 8 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.
Sunday
Partly sunny, with a high near 66. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Showers likely. Partly sunny, with a high near 67.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potomac IL
 40.3°N 87.79°W (Elev. 673 ft)
Last Update:
1:26 pm CDT May 7, 2026
Forecast Valid:
1pm CDT May 7, 2026-6pm CDT May 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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