NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

7-Day Zone Forecast for St. Louis County (Text-Only)
NWS Forecast for: St. Louis County
Issued by: National Weather Service Saint Louis, MO
Last Update: 258 PM CDT Tue Jun 9 2026
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Tonight: Partly cloudy with a slight chance of showers and thunderstorms this evening, then clear after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 early this evening.

Wednesday: Sunny. Highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 103.

Wednesday Night: Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 103 early in the evening.

Thursday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 105.

Thursday Night: Showers with a chance of thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds 15 to 20 mph, becoming northwest 5 to 10 mph after midnight. Chance of rain 80 percent. Heat index values up to 102 early in the evening.

Friday And Friday Night: Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

Saturday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent.

Sunday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

Sunday Night: Mostly cloudy. A chance of showers, mainly in the evening. Lows in the lower 60s. Chance of rain 50 percent.

Monday: Partly sunny with a slight chance of showers and thunderstorms. Highs around 80. Chance of rain 20 percent.

Monday Night: Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 60. Chance of rain 20 percent.

Tuesday: Mostly sunny. A slight chance of showers in the morning. Highs around 80. Chance of rain 20 percent.







Zone Forecast: St. Louis County

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