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

66°F

19°C

Humidity 92%
Wind Speed SW 5 mph
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 5:55 am CDT
Extended Forecast for

Sibley IL

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then isolated showers between 1pm and 4pm. Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    T-storms then
    Scattered
    Showers

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 59. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 67. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then isolated showers between 1pm and 4pm. Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight
A 50 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 59. Northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 67. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 50. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 57.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sibley IL
 40.59°N 88.38°W
Last Update:
5:46 am CDT Oct 14, 2026
Forecast Valid:
6am CDT Oct 14, 2026-6pm CDT Oct 20, 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