Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

74°F

23°C

Humidity 78%
Wind Speed S 9 mph
Barometer 29.95 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 9:15 pm CDT
Extended Forecast for

Sibley IL

Heat Advisory June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 73. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 105. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 73. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 105. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Clear, with a low around 75. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny and hot, with a high near 95.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Sibley IL
 40.59°N 88.4°W
9:26 pm CDT Jun 20, 2025
9pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

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