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

46°F

8°C

Humidity 85%
Wind Speed S 14 mph
Barometer 29.88 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Mar 7:35 am CDT
Extended Forecast for

Potomac IL

  • Today

    Today: Sunny, with a high near 72. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 52. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    T-storms

  • Wednesday

    Wednesday: Showers. Temperature rising to near 60 by 10am, then falling to around 45 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 60 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 29. North northwest wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 55. Breezy.

    High: 55 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 72. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 58. South southwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers. Temperature rising to near 60 by 10am, then falling to around 45 during the remainder of the day. Breezy, with a southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 29. North northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 47. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy.
Friday
Mostly cloudy, with a high near 55. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 53.
Saturday Night
A chance of rain. Cloudy, with a low around 39.
Sunday
Rain likely. Cloudy, with a high near 60. Breezy.
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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:
7:36 am CDT Mar 9, 2026
Forecast Valid:
7am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation