| National Weather Service Forecast for:
St. Louis, MO Issued by: National Weather Service St. Louis/St. Charles, MO |
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| Updated: Fri, 26-Jun-2026 3:36am CDT | ||||||||||||||||||||||||||||||||||||||||
| Saint Louis | ||||||||||||||||||||||||||||||||||||||||
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Flood Watch issued June 26 at 3:30AM CDT until June 26 at 7:00PM CDT
Flood Watch issued June 25 at 1:34PM CDT until June 26 at 7:00AM CDT
| Today |
Showers and thunderstorms before 2pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 81. South wind 5 to 8 mph. Chance of precipitation is 90%. |
| Tonight |
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Northwest wind 2 to 6 mph. Chance of precipitation is 70%. |
| Saturday |
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Northeast wind around 3 mph. Chance of precipitation is 30%. |
| Saturday Night |
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southeast wind around 5 mph. Chance of precipitation is 40%. |
| Sunday |
A chance of rain showers before 7am. Sunny, with a high near 95. South wind 5 to 8 mph. Chance of precipitation is 30%. |
| Sunday Night |
Mostly clear, with a low around 77. |
| Monday |
Sunny, with a high near 97. |
| Monday Night |
Mostly clear, with a low around 77. |
| Tuesday |
Sunny, with a high near 98. |
| Tuesday Night |
Clear, with a low around 78. |
| Wednesday |
Sunny, with a high near 98. |
| Wednesday Night |
Mostly clear, with a low around 78. |
| Thursday |
Sunny, with a high near 98. |
| Thursday Night |
Mostly clear, with a low around 79. |
Forecast from NOAA-NWS for St. Louis, MO.