Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Chillicothe, Chillicothe Agri-Science Center (KCDJ)

Lat: 39.82° N Lon: 93.58° W Elev: 768 ft.

83°F

28°C

Humidity 65%
Wind Speed NA
Barometer 30.01 in (1014.3 mb)
Dewpoint 70°F (21°C)
Visibility NA
Heat Index87°F (31°C)
Last update 8 Sep 11:51 pm CDT
Detailed forecast for

Linn County

This Afternoon
Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 105.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 103 early in the evening.
Wednesday
Partly sunny with a chance of thunderstorms. Showers likely, mainly in the morning. Not as warm with highs in the mid 80s. West winds 5 to 10 mph. Chance of rain 70 percent.
Wednesday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. West winds around 5 mph. Chance of rain 70 percent.
Thursday
Partly sunny. A chance of showers in the morning. Highs in the lower 80s. North winds around 5 mph. Chance of rain 40 percent.
Thursday Night And Friday
Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Friday Night
Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent.
Saturday
Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
Saturday Night And Sunday
Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs around 80. Chance of rain 50 percent.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
Monday
Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 50 percent.



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128 PM CDT Tue Sep 8 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database