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.

Overcast

39°F

4°C

Humidity 91%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Jan 8:55 am CST
Extended Forecast for

Potomac IL

  • Today

    Today: Rain and snow showers likely before 1pm, then a slight chance of snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. West northwest wind 7 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 39 °F

    Rain Likely
    then Slight
    Chance
    Rain/Snow

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 22. Blustery, with a west wind 11 to 20 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Chance Snow
    Showers and
    Blustery

  • Sunday

    Sunday: A chance of flurries before 9am. Partly sunny, with a high near 33. Breezy, with a west northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 33 °F

    Chance
    Flurries and
    Breezy then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. West southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Today
Rain and snow showers likely before 1pm, then a slight chance of snow showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. West northwest wind 7 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
A 50 percent chance of snow showers, mainly before midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 22. Blustery, with a west wind 11 to 20 mph, with gusts as high as 30 mph.
Sunday
A chance of flurries before 9am. Partly sunny, with a high near 33. Breezy, with a west northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 43. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 31. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday
Mostly cloudy, with a high near 50. West southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 37.
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:
6:52 am CST Jan 10, 2026
Forecast Valid:
9am CST Jan 10, 2026-6pm CST Jan 16, 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