| National Weather Service Forecast for:
2 Miles NNE O'Fallon MO Issued by: National Weather Service Saint Louis, MO |
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| Updated: 7:41 am CST Dec 22, 2025 | ||||||||||||||||||
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| Today |
Partly sunny, with a high near 56. South wind 5 to 8 mph. |
| Tonight |
Partly cloudy, with a low around 45. South wind around 6 mph. |
| Tuesday |
Mostly sunny, with a high near 64. Southwest wind around 5 mph becoming calm in the afternoon. |
| Tuesday Night |
Mostly cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight. |
| Wednesday |
Mostly cloudy, with a high near 70. Southeast wind 6 to 8 mph becoming south in the afternoon. |
| Wednesday Night |
Partly cloudy, with a low around 58. |
| Christmas Day |
Mostly sunny, with a high near 75. |
| Thursday Night |
Partly cloudy, with a low around 57. |
| Friday |
Sunny, with a high near 66. |
| Friday Night |
Mostly cloudy, with a low around 47. |
| Saturday |
A 20 percent chance of rain. Partly sunny, with a high near 65. |
| Saturday Night |
A 20 percent chance of rain. Mostly cloudy, with a low around 36. |
| Sunday |
Mostly sunny, with a high near 45. |
Forecast from NOAA-NWS for 2 Miles NNE O'Fallon MO.
