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

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

43°F

6°C

Humidity 95%
Wind Speed NW 7 mph
Barometer 29.84 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Nov 10:35 pm CST
Extended Forecast for

Potomac IL

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 47. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 47 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 3am, then a chance of rain and snow showers between 3am and 5am, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 32. North northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 43. North northwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Northwest wind 3 to 5 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
A 40 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 47. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A chance of rain before 3am, then a chance of rain and snow showers between 3am and 5am, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 32. North northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 43. North northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 25. Northwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 46. Northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 24. Calm wind.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Clear, with a low around 26.
Wednesday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Potomac IL
 40.31°N 87.82°W (Elev. 699 ft)
Last Update:
10:21 pm CST Nov 11, 2026
Forecast Valid:
10pm CST Nov 11, 2026-6pm CST Nov 18, 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