O FALLON, IL 62269 Weather Forecast & Current Conditions

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SCOTT AFB, IL
Current Weather

12:55 PM CDT AUG 22, 2025
Few Clouds
82°F
Feels Like: 84°F
Dewpoint: 66°F
Rel. Hum.: 58%
Visibility: 10 miles
Wind: NNE at 9 mph
Pressure: 30.05 inches
Last 72 hours

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O FALLON, IL 62269
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Highs in the mid 80s. North winds around 5 mph.
TONIGHT
Mostly clear. Patchy fog after midnight. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
SATURDAY
Mostly sunny. Highs in the upper 80s. Northwest winds 5 to 10 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s. North winds around 5 mph.
SUNDAY
Sunny. Highs around 80. Northwest winds 5 to 10 mph.
SUNDAY NIGHT
Mostly clear. Lows in the upper 50s.
MONDAY AND MONDAY NIGHT
Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
TUESDAY THROUGH WEDNESDAY
Mostly clear. Highs in the upper 70s. Lows in the lower 50s.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s.
THURSDAY
Mostly sunny. A slight chance of showers in the afternoon. Highs around 80. Chance of rain 20 percent.

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  8/22/2025
Friday
22 AUG 2025
O FALLON, IL 62269 weather forecast Day 1, 12 hours 1 PM 81° 83° Partly Cloudy 0%

0% Thunder
( 1% severe)
NE   6 58% 65°
High 84° O FALLON, IL 62269 weather forecast Day 1, 15 hours 4 PM 83° 85° Partly Cloudy NE   6 55% 65°
Partly Cloudy



O FALLON, IL 62269 weather forecast Day 1, 18 hours 7 PM 80° 82° Partly Cloudy 0%

0% Thunder
( 1% severe)
NE   3 60% 65°
O FALLON, IL 62269 weather forecast Day 1, 21 hours 10 PM 73° 73° Partly Cloudy ENE   1 79% 66°
Saturday
23 AUG 2025
O FALLON, IL 62269 weather forecast Day 2, 0 hours 1 AM 69° 69° Clear 0%

0% Thunder
( 1% severe)
  CALM 87% 65°
Low 64° O FALLON, IL 62269 weather forecast Day 2, 3 hours 4 AM 66° 66° Partly Cloudy   CALM 93% 64°
High 87° O FALLON, IL 62269 weather forecast Day 2, 6 hours 7 AM 65° 65° Partly Cloudy 4%

0% Thunder
( 1% severe)
  CALM 97% 64°

Mostly Cloudy



O FALLON, IL 62269 weather forecast Day 2, 9 hours 10 AM 79° 81° Partly Cloudy NW   3 69% 68°
O FALLON, IL 62269 weather forecast Day 2, 12 hours 1 PM 84° 87° Mostly Cloudy 3%

0% Thunder
( 12% severe)
NNW   7 57% 67°
O FALLON, IL 62269 weather forecast Day 2, 15 hours 4 PM 84° 87° Mostly Cloudy NNW   8 57% 67°
O FALLON, IL 62269 weather forecast Day 2, 18 hours 7 PM 81° 84° Mostly Cloudy 1%

0% Thunder
( 10% severe)
N   6 63% 67°
O FALLON, IL 62269 weather forecast Day 2, 21 hours 10 PM 74° 74° Partly Cloudy NNW   5 79% 67°
Sunday
24 AUG 2025
O FALLON, IL 62269 weather forecast Day 3, 0 hours 1 AM 70° 70° Partly Cloudy 1%

0% Thunder
( 5% severe)
N   6 81% 64°
Low 60° O FALLON, IL 62269 weather forecast Day 3, 3 hours 4 AM 64° 64° Clear NNW   6 87% 60°
High 80° O FALLON, IL 62269 weather forecast Day 3, 6 hours 7 AM 61° 61° Clear 0%

0% Thunder
( 0% severe)
NNW   5 90% 58°

Clear



O FALLON, IL 62269 weather forecast Day 3, 9 hours 10 AM 71° 71° Clear NNW   7 63% 58°
O FALLON, IL 62269 weather forecast Day 3, 15 hours 1 PM 77° 79° Clear 0%

0% Thunder
( 1% severe)
NNW   10 50% 57°
O FALLON, IL 62269 weather forecast Day 3, 18 hours 4 PM 78° 79° Clear NNW   10 45% 55°
O FALLON, IL 62269 weather forecast Day 3, 21 hours 7 PM 73° 73° Partly Cloudy     NNW   7 53% 55°

SCOTT AFB, IL extended weather forecast

Monday
25 AUG 2025
Tuesday
26 AUG 2025
Wednesday
27 AUG 2025
Thursday
28 AUG 2025
Friday
29 AUG 2025
Low 56° Low 53° Low 52° Low 56° Low 58°
High 77° High 77° High 79° High 79° High 87°
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
Partly Cloudy
12% Rain
Clear
12% Rain
Clear
8% Rain
Clear
14% Rain
Clear
18% Rain
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