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.

Sky Obscured

38°F

3°C

Humidity 85%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 34°F (1°C)
Visibility 1.75 mi
Last update 7 May 1:15 am CDT
Extended Forecast for

Potomac IL

  • Overnight

    Overnight: Increasing clouds, with a low around 38. Light west northwest wind.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 62. Light west southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 62 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 46. South southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 66. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: 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 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51. West southwest wind 5 to 8 mph becoming north after midnight.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Increasing clouds, with a low around 38. Light west northwest wind.
Thursday
A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 62. Light west southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 46. South southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Friday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 66. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
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 30 percent chance of showers after 1am. Mostly cloudy, with a low around 51. West southwest wind 5 to 8 mph becoming north after midnight.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 44.
Tuesday
A chance of showers. Mostly sunny, with a high near 69.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
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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:
1:26 am CDT May 7, 2026
Forecast Valid:
1am CDT May 7, 2026-6pm CDT May 13, 2026
 
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