O FALLON, IL 62269 Weather Forecast & Current Conditions

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SCOTT AFB, IL
Current Weather

2:55 PM CDT SEP 23, 2025
Overcast
Thunder Rain
75°F
Feels Like: 75°F
Dewpoint: 73°F
Rel. Hum.: 94%
Visibility: 4 miles
Wind: SW at 7 mph
Pressure: 29.90 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


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(Automated weather data from NWS/FAA)
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O FALLON, IL 62269
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Showers and scattered thunderstorms. Near steady temperature in the mid 70s. Temperature falling into the lower 70s late. South winds around 5 mph. Chance of rain near 100 percent.
TONIGHT
Scattered thunderstorms. Showers. Patchy fog after midnight. Lows in the mid 60s. East winds around 5 mph. Chance of rain 90 percent.
WEDNESDAY
Cloudy. Patchy fog in the morning. Scattered showers in the morning, then numerous showers with isolated thunderstorms in the afternoon. Highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 60 percent.
WEDNESDAY NIGHT
Mostly cloudy. Numerous showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. North winds 5 to 10 mph. Chance of rain 60 percent.
THURSDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the mid 70s. North winds 5 to 10 mph. Chance of rain 20 percent.
THURSDAY NIGHT AND FRIDAY
Mostly clear. Lows in the mid 50s. Highs around 80.
FRIDAY NIGHT THROUGH SUNDAY
Clear. Lows in the mid 50s. Highs in the mid 80s.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the upper 50s. Highs in the mid 80s.

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  5:00 AM PDT  9/23/2025
Tuesday
23 SEP 2025
O FALLON, IL 62269 weather forecast Day 1, 12 hours 1 PM 81° 85° Mostly Cloudy 61%
RAIN
***
0% Thunder
( 40% severe)
S   7 74% 72°
High 82° O FALLON, IL 62269 weather forecast Day 1, 15 hours 4 PM 77° 79° Mostly Cloudy SSW   7 82% 71°
Overcast

Rain Likely

O FALLON, IL 62269 weather forecast Day 1, 18 hours 7 PM 72° 72° Overcast 81%
RAIN
***
0% Thunder
( 40% severe)
E   5 97% 71°
O FALLON, IL 62269 weather forecast Day 1, 21 hours 10 PM 70° 70° Overcast ESE   3 100% 70°
Wednesday
24 SEP 2025
O FALLON, IL 62269 weather forecast Day 2, 0 hours 1 AM 69° 69° Overcast 83%
RAIN
***
0% Thunder
( 29% severe)
ENE   3 100% 69°
Low 66° O FALLON, IL 62269 weather forecast Day 2, 3 hours 4 AM 68° 68° Mostly Cloudy ENE   5 100% 68°
High 77° O FALLON, IL 62269 weather forecast Day 2, 6 hours 7 AM 67° 67° Mostly Cloudy 51%
RAIN
>2 in
0% Thunder
( 6% severe)
NNE   6 100% 67°

Mostly Cloudy

Rain Likely

O FALLON, IL 62269 weather forecast Day 2, 9 hours 10 AM 71° 71° Mostly Cloudy NNE   8 90% 68°
O FALLON, IL 62269 weather forecast Day 2, 12 hours 1 PM 74° 74° Mostly Cloudy 41%
RAIN
.5–1 in
0% Thunder
( 20% severe)
NNE   9 82% 68°
O FALLON, IL 62269 weather forecast Day 2, 15 hours 4 PM 73° 73° Mostly Cloudy N   10 81% 67°
O FALLON, IL 62269 weather forecast Day 2, 18 hours 7 PM 70° 70° Mostly Cloudy 42%
RAIN
***
0% Thunder
( 21% severe)
N   8 87% 66°
O FALLON, IL 62269 weather forecast Day 2, 21 hours 10 PM 67° 67° Mostly Cloudy N   6 97% 66°
Thursday
25 SEP 2025
O FALLON, IL 62269 weather forecast Day 3, 0 hours 1 AM 65° 65° Mostly Cloudy 29%
RAIN
.5–1 in
0% Thunder
( 13% severe)
N   5 100% 65°
Low 60° O FALLON, IL 62269 weather forecast Day 3, 3 hours 4 AM 63° 63° Mostly Cloudy N   6 97% 62°
High 77° O FALLON, IL 62269 weather forecast Day 3, 6 hours 7 AM 61° 61° Mostly Cloudy 19%
RAIN
.01–.1 in
0% Thunder
( 0% severe)
N   6 100% 61°

Partly Cloudy



O FALLON, IL 62269 weather forecast Day 3, 9 hours 10 AM 68° 68° Partly Cloudy N   8 81% 62°
O FALLON, IL 62269 weather forecast Day 3, 15 hours 1 PM 74° 74° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 2% severe)
NNW   10 64% 61°
O FALLON, IL 62269 weather forecast Day 3, 18 hours 4 PM 75° 75° Partly Cloudy NNW   10 58% 59°
O FALLON, IL 62269 weather forecast Day 3, 21 hours 7 PM 70° 70° Partly Cloudy     NNW   6 71% 60°

SCOTT AFB, IL extended weather forecast

Friday
26 SEP 2025
Saturday
27 SEP 2025
Sunday
28 SEP 2025
Monday
29 SEP 2025
Tuesday
30 SEP 2025
Low 54° Low 55° Low 57° Low 59° Low 56°
High 83° High 85° High 87° High 82° High 84°
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
Clear
Clear
3% Rain
Clear
8% Rain
Clear
16% Rain
Partly Cloudy
22% Rain
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