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.

Fair

33°F

1°C

Humidity 88%
Wind Speed NW 8 mph
Barometer 30.21 in
Dewpoint 30°F (-1°C)
Visibility 2.50 mi
Wind Chill26°F (-3°C)
Last update 12 Mar 1:35 am CDT
Extended Forecast for

Potomac IL

  • Overnight

    Overnight: Clear, with a low around 29. Northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 29 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 49. West wind 5 to 11 mph, with gusts as high as 16 mph.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Breezy, with a south wind 9 to 14 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 45 mph.

    Low: 39 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 53. Breezy, with a west wind 23 to 29 mph, with gusts as high as 46 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. West northwest wind 9 to 14 mph becoming light north northwest after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. Light northeast wind becoming east southeast 5 to 9 mph in the morning.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am. Cloudy, with a low around 42. East wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 64. Breezy. Chance of precipitation is 80%.

    High: 64 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Low around 21. Blustery. Chance of precipitation is 80%.

    Low: 21 °F

    Rain/Snow and
    Blustery

Detailed Forecast

Overnight
Clear, with a low around 29. Northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Thursday
Sunny, with a high near 49. West wind 5 to 11 mph, with gusts as high as 16 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Breezy, with a south wind 9 to 14 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 45 mph.
Friday
Mostly sunny, with a high near 53. Breezy, with a west wind 23 to 29 mph, with gusts as high as 46 mph.
Friday Night
Mostly cloudy, with a low around 30. West northwest wind 9 to 14 mph becoming light north northwest after midnight. Winds could gust as high as 28 mph.
Saturday
Mostly cloudy, with a high near 50. Light northeast wind becoming east southeast 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 42. East wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday
Rain, mainly after 1pm. High near 64. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Low around 21. Blustery. Chance of precipitation is 80%.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 45.
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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:
1:26 am CDT Mar 12, 2026
Forecast Valid:
1am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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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