Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03° N Lon: 88.28° W Elev: 741 ft.

Fair

88°F

31°C

Humidity 73%
Wind Speed S 15 mph
Barometer 29.95 in (1013.4 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 29 Jun 5:53 pm CDT
Detailed forecast for

Piatt County

This Afternoon
Partly sunny. Near steady temperature around 90. South winds around 15 mph with gusts up to 25 mph. Heat index values up to 105.
Tonight
Partly cloudy. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph.
Tuesday
Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108.
Tuesday Night
Clear with lows in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday
Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 106.
Wednesday Night
Clear. Lows in the mid 70s.
Thursday
Sunny. Highs in the lower 90s. Heat index values up to 105.
Thursday Night And Friday
Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs around 90. Chance of rain 50 percent.
Friday Night
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40 percent.
Independence Day And Saturday Night
Partly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 30 percent.
Sunday
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.



Basemap Options
Click map to change the forecast location
Loading map...
153 PM CDT Mon Jun 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database