O FALLON, IL 62269 Weather Forecast & Current Conditions

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SCOTT AFB, IL
Current Weather

6:55 AM CDT APR 5, 2026
Clear
41°F
Feels Like: 36°F
Dewpoint: 34°F
Rel. Hum.: 76%
Visibility: 10 miles
Wind: WNW at 7 mph
Pressure: 30.23 inches
Last 72 hours

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O FALLON, IL 62269
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.
TONIGHT
Clear. Lows around 40. West winds 5 to 10 mph.
MONDAY
Sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph.
MONDAY NIGHT
Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. North winds 5 to 10 mph. Chance of rain 20 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 50s. East winds 5 to 10 mph.
TUESDAY NIGHT
Mostly cloudy. Lows in the lower 40s.
WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.
THURSDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent.
FRIDAY AND FRIDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Lows in the mid 50s. Chance of rain 40 percent.
SATURDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 50 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 PM PDT  4/ 4/2026
Sunday
5 APR 2026
O FALLON, IL 62269 weather forecast Day 1, 0 hours 1 AM 45° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   7 71% 36°
Low 39° O FALLON, IL 62269 weather forecast Day 1, 3 hours 4 AM 42° 38° Partly Cloudy WNW   7 76% 35°
High 60° O FALLON, IL 62269 weather forecast Day 1, 6 hours 7 AM 40° 35° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   8 79% 34°

Clear



O FALLON, IL 62269 weather forecast Day 1, 9 hours 10 AM 47° 42° Clear NW   12 63% 35°
O FALLON, IL 62269 weather forecast Day 1, 12 hours 1 PM 54° 50° Clear 0%

0% Thunder
( 0% severe)
NW   13 48% 35°
O FALLON, IL 62269 weather forecast Day 1, 15 hours 4 PM 59° 57° Clear NW   12 42% 36°
O FALLON, IL 62269 weather forecast Day 1, 18 hours 7 PM 55° 53° Clear 0%

0% Thunder
( 1% severe)
NW   7 49% 36°
O FALLON, IL 62269 weather forecast Day 1, 21 hours 10 PM 48° 47° Clear W   2 65% 37°
Monday
6 APR 2026
O FALLON, IL 62269 weather forecast Day 2, 0 hours 1 AM 44° 43° Clear 1%

0% Thunder
( 1% severe)
WSW   2 73% 36°
Low 40° O FALLON, IL 62269 weather forecast Day 2, 3 hours 4 AM 42° 40° Clear WSW   3 79% 36°
High 63° O FALLON, IL 62269 weather forecast Day 2, 6 hours 7 AM 41° 38° Clear 0%

0% Thunder
( 1% severe)
WNW   5 82% 36°

Clear



O FALLON, IL 62269 weather forecast Day 2, 9 hours 10 AM 53° 50° Clear NW   8 61% 40°
O FALLON, IL 62269 weather forecast Day 2, 12 hours 1 PM 60° 58° Clear 2%

0% Thunder
( 2% severe)
NW   10 46% 39°
O FALLON, IL 62269 weather forecast Day 2, 15 hours 4 PM 62° 61° Partly Cloudy NNW   10 41% 38°
O FALLON, IL 62269 weather forecast Day 2, 18 hours 7 PM 56° 54° Partly Cloudy 3%

0% Thunder
( 2% severe)
NNW   9 47% 36°
O FALLON, IL 62269 weather forecast Day 2, 21 hours 10 PM 49° 46° Mostly Cloudy NNW   7 58% 35°

SCOTT AFB, IL extended weather forecast

Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Friday
10 APR 2026
Saturday
11 APR 2026
Low 38° Low 41° Low 52° Low 53° Low 52°
High 55° High 71° High 67° High 71° High 79°
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
Overcast
42% Rain
Partly Cloudy
14% Rain
Overcast
46% Rain
Overcast
67% Rain
Overcast
42% Rain
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