| National Weather Service Forecast for:
St. Louis, MO Issued by: National Weather Service St. Louis/St. Charles, MO |
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| Updated: Fri, 28-Aug-2026 5:26pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Saint Louis | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 64. East wind 0 to 5 mph. |
| Saturday |
Mostly sunny, with a high near 90. Southeast wind 1 to 7 mph. |
| Saturday Night |
Mostly clear, with a low around 71. South wind around 7 mph. |
| Sunday |
Sunny, with a high near 96. South wind 5 to 9 mph. |
| Sunday Night |
Mostly clear, with a low around 76. South wind around 7 mph. |
| Monday |
Sunny, with a high near 99. |
| Monday Night |
Mostly clear, with a low around 78. |
| Tuesday |
Sunny, with a high near 99. |
| Tuesday Night |
Mostly clear, with a low around 80. |
| Wednesday |
Sunny, with a high near 99. |
| Wednesday Night |
Mostly clear, with a low around 80. |
| Thursday |
Sunny, with a high near 98. |
| Thursday Night |
Mostly clear, with a low around 79. |
| Friday |
Mostly sunny, with a high near 97. |
Forecast from NOAA-NWS for St. Louis, MO.