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.

Fair

39°F

4°C

Humidity 71%
Wind Speed W 5 mph
Barometer 30.14 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Apr 11:35 pm CDT
Extended Forecast for

Sibley IL

Freeze Watch April 20, 12:00am until April 20, 09:00am
Frost Advisory April 19, 12:00am until April 19, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Tonight

    Tonight: Patchy frost between 1am and 4am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 10 mph.

    Low: 34 °F

    Patchy Frost

  • Sunday

    Sunday: Increasing clouds, with a high near 55. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 57. North wind around 5 mph becoming south in the afternoon.

    High: 57 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost between 1am and 4am. Otherwise, mostly clear, with a low around 34. West southwest wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 55. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 57. North wind around 5 mph becoming south in the afternoon.
Monday Night
Partly cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 75. Breezy.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 82. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sibley IL
 40.59°N 88.4°W
Last Update:
9:30 pm CDT Apr 18, 2026
Forecast Valid:
11pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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