Missouri Farm Bureau

	County Forecast for Jefferson City , MO

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051700-
Boone MO-Moniteau MO-Cole MO-
Including the cities of Columbia and Jefferson City
417 AM CDT Sat Sep 5 2026

..extreme heat warning in effect until 8 pm cdt this evening
Today   Mostly sunny. Hot with highs in the upper 90s. West winds around 5 mph. Heat index values up to 107.
Tonight   Mostly clear. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 105 early in the evening.
Sunday   Sunny. Isolated showers in the afternoon. Hot with highs in the mid 90s. East winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 103.
Sunday night   Partly cloudy. Lows in the upper 60s. East winds 5 to 10 mph.
Labor day   Sunny. Highs in the lower 90s. Southeast winds around 5 mph.
Monday night and tuesday   Mostly clear. Hot. Lows in the upper 60s. Highs around 99. Heat index values up to 105.
Tuesday night and wednesday   Mostly clear. Hot. Lows in the mid 70s. Highs in the upper 90s. Heat index values up to 105.
Wednesday night and thursday   Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows around 70. Highs around 90. Chance of rain 50 percent. Heat index values up to 100.
Thursday night   Mostly clear. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent.
Friday   Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent.

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Bryce Anderson – DTN Meteorologist

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Hot and Dry for Central US Labor Day Weekend

Hot, humid conditions persist through the holiday weekend with scattered showers and thunderstorms likely. » More DTN Weather Commentary

Posted at 11:59AM Fri Sep 4, 2026 CDT

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