| National Weather Service Forecast for:
St. Louis, MO Issued by: National Weather Service St. Louis/St. Charles, MO |
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| Updated: Fri, 07-Aug-2026 1:26pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Saint Louis | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 90. West wind around 7 mph. |
| Tonight |
Partly cloudy, with a low around 73. Southwest wind 2 to 6 mph. |
| Saturday |
Sunny, with a high near 91. Heat index values as high as 102. West wind around 5 mph. |
| Saturday Night |
Partly cloudy, with a low around 74. Southeast wind around 5 mph. |
| Sunday |
Sunny, with a high near 94. South wind 3 to 8 mph. |
| Sunday Night |
Mostly clear, with a low around 77. |
| Monday |
Sunny, with a high near 96. |
| Monday Night |
Mostly clear, with a low around 78. |
| Tuesday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%. |
| Tuesday Night |
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 40%. |
| Wednesday |
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%. |
| Wednesday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%. |
| Thursday |
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Chance of precipitation is 50%. |
| Thursday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for St. Louis, MO.