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

36°F

2°C

Humidity 87%
Wind Speed S 16 G 24 mph
Barometer 29.53 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 9 Dec 9:55 pm CST
Extended Forecast for

Potomac IL

  • Tonight

    Tonight: Rain likely, mainly between 11pm and 2am. Cloudy, with a low around 35. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain before 7am, then rain and snow likely between 7am and noon, then a chance of snow after noon. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 37 °F⇓

    Breezy.
    Rain/Snow
    Likely then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 28. West northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 28 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Snow likely, mainly after midnight. Cloudy, with a low around 23. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow Likely

  • Friday

    Friday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 32. East wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 32 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. West northwest wind around 8 mph.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 19.

    High: 19 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly between 11pm and 2am. Cloudy, with a low around 35. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain before 7am, then rain and snow likely between 7am and noon, then a chance of snow after noon. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday
Mostly cloudy, with a high near 28. West northwest wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Snow likely, mainly after midnight. Cloudy, with a low around 23. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Friday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 32. East wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 12. West northwest wind around 8 mph.
Saturday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 19.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Sunny and cold, with a high near 9.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 30.
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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:
9:36 pm CST Dec 9, 2025
Forecast Valid:
10pm CST Dec 9, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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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