| WXSIM Forecast for:
O'Fallon Issued by: OFallonweather.com |
||||||||||||||||||||||||||||||||||||||||||||||||
| Updated: Friday, 16-Oct-2026 04:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
|
| Tonight |
Fair to partly cloudy in the evening, becoming fair after midnight. Cool. Low 39°. Wind northwest around 9 mph, gusting to 23 mph. |
| Saturday |
Mostly sunny. Patchy light fog in the morning. High 60°. UV index up to 5. Wind north-northeast around 4 mph, gusting to 21 mph. |
| Saturday night |
Fair. Low 39°. Wind southeast around 3 mph. |
| Sunday |
Mostly sunny in the morning, becoming sunny in the afternoon. High 66°. UV index up to 5. Wind south around 5 mph, gusting to 24 mph. |
| Sunday night |
Clear. Low 40°. Wind southeast around 4 mph, gusting to 17 mph, in the evening, becoming south after midnight. |
| Monday |
Sunny. High 70°. UV index up to 5. Wind south-southeast around 2 mph, gusting to 21 mph. |
| Monday night |
Mostly clear in the evening, becoming clear after midnight. Low 42°. Wind southeast around 3 mph. |
| Tuesday |
Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. High 70°. UV index up to 4. Wind southeast around 2 mph, gusting to 20 mph. |
| Tuesday night |
Fair to partly cloudy. Low 44°. Wind southeast around 2 mph. |
| Wednesday |
Sunny. Warm. High 73°. UV index up to 5. Wind south-southeast around 2 mph, gusting to 20 mph. |
| Wednesday night |
Mostly clear in the evening, becoming clear after midnight. Low 43°. Wind southeast around 3 mph. |
| Thursday |
Sunny. Warm. High 75°. Wind south around 4 mph, gusting to 20 mph. |
| Thursday night |
Clear. Low 45°. Wind southeast around 3 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Powered by Davis Vantage Pro2
and
CumulusMX
v 5.1.6 (b5016)
MXUI Template v 2.2.6 by
Silver Acorn
Valid HTML5