O FALLON, IL 62269 Weather Forecast & Current Conditions

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SCOTT AFB, IL
Current Weather

2:55 PM CDT OCT 27, 2025
Overcast
54°F
Feels Like: 52°F
Dewpoint: 50°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: ENE at 7 mph
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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O FALLON, IL 62269
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Cloudy. Highs in the upper 50s. East winds 5 to 10 mph.
TONIGHT
Cloudy. Lows around 50. East winds 5 to 10 mph.
TUESDAY
Cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph. Chance of rain 50 percent.
TUESDAY NIGHT
Showers. Lows in the upper 40s. East winds 10 to 15 mph. Chance of rain near 100 percent.
WEDNESDAY
Showers. Highs in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows around 40. Chance of rain 50 percent.
THURSDAY
Mostly sunny. Highs in the upper 50s.
THURSDAY NIGHT AND FRIDAY
Mostly clear. Lows in the upper 30s. Highs in the lower 60s.
FRIDAY NIGHT AND SATURDAY
Partly cloudy. Lows in the upper 30s. Highs in the mid 50s.
SATURDAY NIGHT AND SUNDAY
Partly cloudy. A 20 percent chance of rain showers. Lows in the mid 30s. Highs in the upper 50s.

Visible Weather Satellite
O FALLON, IL 62269
Infrared Weather Satellite
O FALLON, IL 62269
NEXRAD Weather Radar
O FALLON, IL 62269

SCOTT AFB, IL 3 hourly weather forecast

weather forecast created  4:00 AM PST 10/27/2025
Monday
27 OCT 2025
O FALLON, IL 62269 weather forecast Day 1, 12 hours 12 PM 55° 52° Mostly Cloudy 12%
RAIN
.01–.1 in
0% Thunder
( 1% severe)
E   12 83% 50°
High 58° O FALLON, IL 62269 weather forecast Day 1, 15 hours 3 PM 57° 55° Mostly Cloudy E   10 77% 50°
Mostly Cloudy



O FALLON, IL 62269 weather forecast Day 1, 18 hours 6 PM 55° 53° Mostly Cloudy 7%

0% Thunder
( 1% severe)
ENE   7 86% 51°
O FALLON, IL 62269 weather forecast Day 1, 21 hours 9 PM 52° 52° Mostly Cloudy E   3 96% 51°
Tuesday
28 OCT 2025
O FALLON, IL 62269 weather forecast Day 2, 0 hours 12 AM 52° 52° Mostly Cloudy 4%

0% Thunder
( 1% severe)
ENE   2 100% 52°
Low 49° O FALLON, IL 62269 weather forecast Day 2, 3 hours 3 AM 51° 51° Mostly Cloudy ENE   2 100% 51°
High 61° O FALLON, IL 62269 weather forecast Day 2, 6 hours 6 AM 51° 50° Mostly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 1% severe)
E   3 100% 51°

Mostly Cloudy

Chance of Rain

O FALLON, IL 62269 weather forecast Day 2, 9 hours 9 AM 55° 54° Mostly Cloudy ESE   5 93% 53°
O FALLON, IL 62269 weather forecast Day 2, 12 hours 12 PM 59° 58° Overcast 38%
RAIN
<.01 in
0% Thunder
( 2% severe)
E   7 80% 53°
O FALLON, IL 62269 weather forecast Day 2, 15 hours 3 PM 59° 58° Mostly Cloudy E   8 83% 54°
O FALLON, IL 62269 weather forecast Day 2, 18 hours 6 PM 57° 56° Overcast 81%
RAIN
***
0% Thunder
( 3% severe)
E   7 90% 54°
O FALLON, IL 62269 weather forecast Day 2, 21 hours 9 PM 55° 53° Overcast E   8 100% 55°
Wednesday
29 OCT 2025
O FALLON, IL 62269 weather forecast Day 3, 0 hours 12 AM 54° 51° Mostly Cloudy 84%
RAIN
***
0% Thunder
( 7% severe)
E   9 100% 54°
Low 47° O FALLON, IL 62269 weather forecast Day 3, 3 hours 3 AM 52° 48° Overcast ENE   12 100% 52°
High 56° O FALLON, IL 62269 weather forecast Day 3, 6 hours 6 AM 50° 45° Mostly Cloudy 77%
RAIN
***
0% Thunder
( 4% severe)
ENE   14 96% 49°

Mostly Cloudy

Rain Likely

O FALLON, IL 62269 weather forecast Day 3, 9 hours 9 AM 51° 46° Mostly Cloudy NE   14 89% 48°
O FALLON, IL 62269 weather forecast Day 3, 15 hours 12 PM 52° 47° Mostly Cloudy 57%
RAIN
***
0% Thunder
( 4% severe)
NNE   15 80% 46°
O FALLON, IL 62269 weather forecast Day 3, 18 hours 3 PM 53° 48° Mostly Cloudy NNE   16 71% 44°
O FALLON, IL 62269 weather forecast Day 3, 21 hours 6 PM 51° 46° Mostly Cloudy     N   13 74% 43°

SCOTT AFB, IL extended weather forecast

Thursday
30 OCT 2025
Friday
31 OCT 2025
Saturday
1 NOV 2025
Sunday
2 NOV 2025
Monday
3 NOV 2025
Low 42° Low 38° Low 39° Low 36° Low 34°
High 55° High 61° High 56° High 55° High 61°
O FALLON, IL 62269 weather forecast Day 4 O FALLON, IL 62269 weather forecast Day 5 O FALLON, IL 62269 weather forecast Day 6 O FALLON, IL 62269 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
51% Rain
Clear
5% Rain
Partly Cloudy
17% Rain
Partly Cloudy
15% Rain
Partly Cloudy
21% Rain
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