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

95°F

35°C

Humidity 50%
Wind Speed SW 8 mph
Barometer 29.97 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 4 Sep 2:15 pm CDT
Extended Forecast for

Melvin IL

Heat Advisory September 4, 02:31pm until September 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 02:31pm until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73. West southwest wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 102. Light and variable wind becoming north 5 to 10 mph in the morning.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 83. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 104. West wind 5 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73. West southwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 92. Heat index values as high as 102. Light and variable wind becoming north 5 to 10 mph in the morning.
Saturday Night
Increasing clouds, with a low around 65. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 83. East northeast wind around 5 mph, with gusts as high as 10 mph.
Sunday Night
Mostly clear, with a low around 59.
Labor Day
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Melvin IL
 40.57°N 88.26°W
Last Update:
1:21 pm CDT Sep 4, 2026
Forecast Valid:
2pm CDT Sep 4, 2026-6pm CDT Sep 10, 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