National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Overcast

32°F

0°C

Humidity 78%
Wind Speed SW 6 mph
Barometer 29.97 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 6 Dec 11:55 am CST
Extended Forecast for

Potomac IL

Winter Weather Advisory December 6, 09:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Cloudy, with a high near 34. West wind around 5 mph becoming calm.

    High: 34 °F

    Cloudy

  • Tonight

    Tonight: A 50 percent chance of snow after midnight. Cloudy, with a low around 26. South southeast wind 3 to 7 mph.

    Low: 26 °F

    Cloudy then
    Chance Snow

  • Sunday

    Sunday: Rain and snow likely, becoming all snow after 11am, then gradually ending. Mostly cloudy, with a high near 33. South wind 5 to 13 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7. North wind 6 to 11 mph becoming light northeast after midnight.

    Low: 7 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22. Light and variable wind.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9. Light south southeast wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 9 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain after midnight. Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 34. West wind around 5 mph becoming calm.
Tonight
A 50 percent chance of snow after midnight. Cloudy, with a low around 26. South southeast wind 3 to 7 mph.
Sunday
Rain and snow likely, becoming all snow after 11am, then gradually ending. Mostly cloudy, with a high near 33. South wind 5 to 13 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 7. North wind 6 to 11 mph becoming light northeast after midnight.
Monday
Mostly sunny, with a high near 22. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 9. Light south southeast wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 38. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 50 percent chance of rain after midnight. Cloudy, with a low around 34.
Wednesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
A chance of snow. Mostly cloudy, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 21.
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:
10:26 am CST Dec 6, 2025
Forecast Valid:
12pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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