| National Weather Service Forecast for:
Florissant MO Issued by: National Weather Service Saint Louis, MO |
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| Updated: 1:26 am CST Feb 2, 2026 | ||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 22. West wind 3 to 5 mph. |
| Monday |
Partly sunny, with a high near 37. West wind around 5 mph becoming light and variable in the afternoon. |
| Monday Night |
Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph after midnight. |
| Tuesday |
A 20 percent chance of snow. Mostly cloudy, with a high near 33. North wind 5 to 8 mph. |
| Tuesday Night |
Mostly cloudy, with a low around 18. North wind 3 to 6 mph. |
| Wednesday |
Mostly sunny, with a high near 30. |
| Wednesday Night |
Partly cloudy, with a low around 17. |
| Thursday |
Mostly sunny, with a high near 40. |
| Thursday Night |
Mostly clear, with a low around 33. |
| Friday |
Mostly sunny, with a high near 45. |
| Friday Night |
Partly cloudy, with a low around 22. |
| Saturday |
Sunny, with a high near 37. |
| Saturday Night |
Partly cloudy, with a low around 26. |
| Sunday |
Mostly sunny, with a high near 42. |
Forecast from NOAA-NWS for Florissant MO.
