O FALLON, IL 62269 Weather Forecast & Current Conditions

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SCOTT AFB, IL
Current Weather

12:55 AM CDT JUN 20, 2025
Clear
72°F
Feels Like: 72°F
Dewpoint: 68°F
Rel. Hum.: 87%
Visibility: 10 miles
Wind: Calm
Pressure: 30.00 inches
Last 72 hours

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O FALLON, IL 62269
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Mostly clear. Lows in the mid 60s. South winds around 5 mph.
FRIDAY
Sunny. Highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph.
FRIDAY NIGHT
Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph.
SATURDAY
Sunny, hot with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107.
SATURDAY NIGHT
Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 105 early in the evening.
SUNDAY
Sunny, hot with highs in the mid 90s. Heat index values up to 105.
SUNDAY NIGHT THROUGH MONDAY NIGHT
Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105.
TUESDAY
Sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 70s. Heat index values up to 100 early in the evening.
WEDNESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 100 early in the evening.
THURSDAY
Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.

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 PM PDT  6/19/2025
Friday
20 JUN 2025
O FALLON, IL 62269 weather forecast Day 1, 0 hours 1 AM 70° 70° Clear 1%

0% Thunder
( 1% severe)
SSW   1 84% 65°
Low 67° O FALLON, IL 62269 weather forecast Day 1, 3 hours 4 AM 68° 68° Clear S   2 90% 65°
High 91° O FALLON, IL 62269 weather forecast Day 1, 6 hours 7 AM 70° 70° Clear 1%

0% Thunder
( 4% severe)
S   3 87% 66°

Partly Cloudy



O FALLON, IL 62269 weather forecast Day 1, 9 hours 10 AM 82° 85° Clear S   8 65% 69°
O FALLON, IL 62269 weather forecast Day 1, 12 hours 1 PM 87° 91° Partly Cloudy 2%

0% Thunder
( 11% severe)
SSW   9 55% 69°
O FALLON, IL 62269 weather forecast Day 1, 15 hours 4 PM 91° 97° Partly Cloudy S   12 50% 70°
O FALLON, IL 62269 weather forecast Day 1, 18 hours 7 PM 88° 94° Clear 1%

0% Thunder
( 7% severe)
S   12 57% 71°
O FALLON, IL 62269 weather forecast Day 1, 21 hours 10 PM 81° 85° Clear S   10 74% 72°
Saturday
21 JUN 2025
O FALLON, IL 62269 weather forecast Day 2, 0 hours 1 AM 79° 82° Clear 0%

0% Thunder
( 7% severe)
S   9 79% 72°
Low 76° O FALLON, IL 62269 weather forecast Day 2, 3 hours 4 AM 77° 78° Clear S   9 87% 73°
High 96° O FALLON, IL 62269 weather forecast Day 2, 6 hours 7 AM 78° 80° Clear 0%

0% Thunder
( 9% severe)
S   9 88% 74°

Clear



O FALLON, IL 62269 weather forecast Day 2, 9 hours 10 AM 86° 95° Clear SSW   12 70% 75°
O FALLON, IL 62269 weather forecast Day 2, 12 hours 1 PM 92° 103° Clear 0%

0% Thunder
( 12% severe)
SSW   13 58% 75°
O FALLON, IL 62269 weather forecast Day 2, 15 hours 4 PM 95° 106° Clear SSW   13 51% 74°
O FALLON, IL 62269 weather forecast Day 2, 18 hours 7 PM 91° 101° Clear 0%

0% Thunder
( 7% severe)
S   12 58% 74°
O FALLON, IL 62269 weather forecast Day 2, 21 hours 10 PM 85° 93° Clear S   10 70% 74°

SCOTT AFB, IL extended weather forecast

BAD DAY
BAD DATE
BAD DAY
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Low 72° Low 72° Low 73° Low 72° Low 72°
High 97° High 97° High 96° High 92° High 93°
O FALLON, IL 62269 weather forecast Day 3 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
Clear
8% Rain
Clear
11% Rain
Partly Cloudy
22% Rain
Partly Cloudy
30% Rain
Partly Cloudy
43% Rain
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