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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77° N Lon: 90.24° W Elev: 614 ft.

Mostly Cloudy

87°F

31°C

Humidity 73%
Wind Speed S 12 mph
Barometer 29.94 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 29 Jun 12:55 pm CDT
Detailed forecast for

Morgan County

This Afternoon
Mostly sunny. Highs in the lower 90s. South winds 10 to 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, hot with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105.
Tuesday Night
Clear with lows in the mid 70s. South winds 5 to 10 mph.
Wednesday
Sunny with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.
Wednesday Night
Clear. Lows in the mid 70s.
Thursday
Sunny. Highs in the mid 90s. Heat index values up to 105.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
Friday
Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.
Friday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
Independence Day And Saturday Night
Partly cloudy. Highs in the lower 90s. Lows in the lower 70s.
Sunday
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.



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1137 AM 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