| National Weather Service Forecast for:
Florissant MO Issued by: National Weather Service Saint Louis, MO |
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| Updated: 7:26 am CDT May 26, 2026 | ||||||||||||||||||
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| Today |
Mostly cloudy, with a high near 81. Calm wind becoming east 5 to 7 mph in the afternoon. |
| Tonight |
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. |
| Wednesday |
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 83. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 30%. |
| Wednesday Night |
Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. |
| Thursday |
Partly sunny, with a high near 84. East wind 5 to 9 mph. |
| Thursday Night |
Mostly cloudy, with a low around 64. |
| Friday |
Mostly cloudy, with a high near 80. |
| Friday Night |
Mostly cloudy, with a low around 61. |
| Saturday |
Partly sunny, with a high near 81. |
| Saturday Night |
Partly cloudy, with a low around 61. |
| Sunday |
Mostly sunny, with a high near 80. |
| Sunday Night |
Partly cloudy, with a low around 59. |
| Monday |
Mostly sunny, with a high near 81. |
Forecast from NOAA-NWS for Florissant MO.
