7-Day Zone Forecast for Jefferson County (Text-Only)
NWS Forecast for: Jefferson County
Issued by: National Weather Service Saint Louis, MO
Last Update: 159 AM CDT Thu Aug 28 2025
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Rest Of Tonight: Partly cloudy. Near steady temperature in the upper 50s. South winds around 5 mph.

Thursday: Mostly sunny. Highs in the lower 80s. South winds around 5 mph.

Thursday Night: Mostly clear. Lows in the mid 50s. South winds around 5 mph, becoming west after midnight.

Friday: Sunny. Highs in the mid 80s. North winds around 5 mph, becoming east in the afternoon.

Friday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. East winds around 5 mph.

Saturday: Sunny. Highs in the mid 80s.

Saturday Night And Sunday: Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.

Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.

Labor Day And Monday Night: Partly cloudy. Highs in the lower 80s. Lows in the upper 50s.

Tuesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 60.

Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.







Zone Forecast: Jefferson County

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