O FALLON, IL 62269 Weather Forecast & Current Conditions
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  62269 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SCOTT AFB, IL
Current Weather
3:55 AM CDT JUN 24, 2026
Clear
64°F
Feels Like: 64°F
Dewpoint: 63°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: Calm
Pressure: 30.11 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  62269 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

O FALLON, IL 62269
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Partly cloudy. Near steady temperature in the mid 60s. Southeast winds around 5 mph.
WEDNESDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds around 5 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
THURSDAY
Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph, becoming south in the afternoon. Chance of rain 50 percent.
THURSDAY NIGHT
Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. South winds around 5 mph. Chance of rain 90 percent.
FRIDAY
Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Highs in the lower 80s. Chance of rain 90 percent.
FRIDAY NIGHT
Thunderstorms likely. Showers likely. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Chance of rain 70 percent.
SATURDAY
A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 80s. Chance of rain 70 percent.
SATURDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. Chance of rain 50 percent.
SUNDAY
Sunny. Highs in the mid 90s. Heat index values up to 110 in the afternoon.
SUNDAY NIGHT
Clear. Lows in the mid 70s. Heat index values up to 110 early in the evening.
MONDAY
Sunny, hot with highs in the mid 90s. Heat index values up to 115 in the afternoon.
MONDAY NIGHT
Clear. Lows in the mid 70s. Heat index values up to 110 early in the evening.

  62269 WEATHER SATELLITE LOOPS
Visible Weather Satellite
O FALLON, IL 62269
Infrared Weather Satellite
O FALLON, IL 62269
  62269 WEATHER RADAR LOOP
NEXRAD Weather Radar
O FALLON, IL 62269
 MOS COMPUTER WEATHER FORECAST

SCOTT AFB, IL 3 hourly weather forecast
weather forecast created  5:00 PM PDT  6/23/2026
Wednesday
24 JUN 2026		 O FALLON, IL 62269 weather forecast Day 1, 0 hours 1 AM 67° 67° Mostly Cloudy 1%

 0% Thunder
( 2% severe)		   CALM 78% 60°
Low 64° O FALLON, IL 62269 weather forecast Day 1, 3 hours 4 AM 65° 65° Mostly Cloudy   CALM 81% 59°
High 83° O FALLON, IL 62269 weather forecast Day 1, 6 hours 7 AM 66° 66° Partly Cloudy 7%

 0% Thunder
( 6% severe)		 SSE   3 81% 60°

Mostly Cloudy



 O FALLON, IL 62269 weather forecast Day 1, 9 hours 10 AM 74° 74° Mostly Cloudy S   6 69% 63°
O FALLON, IL 62269 weather forecast Day 1, 12 hours 1 PM 79° 81° Partly Cloudy 19%
RAIN
<.01 in		 0% Thunder
( 32% severe)		 SSW   7 64% 66°
O FALLON, IL 62269 weather forecast Day 1, 15 hours 4 PM 81° 83° Mostly Cloudy SSW   7 60% 66°
O FALLON, IL 62269 weather forecast Day 1, 18 hours 7 PM 81° 84° Partly Cloudy 13%
RAIN
.01–.1 in		 0% Thunder
( 30% severe)		 SSW   6 63% 67°
O FALLON, IL 62269 weather forecast Day 1, 21 hours 10 PM 74° 74° Partly Cloudy S   2 84% 69°
Thursday
25 JUN 2026		 O FALLON, IL 62269 weather forecast Day 2, 0 hours 1 AM 71° 71° Partly Cloudy 17%
RAIN
<.01 in		 0% Thunder
( 17% severe)		   CALM 93% 69°
Low 66° O FALLON, IL 62269 weather forecast Day 2, 3 hours 4 AM 69° 69° Partly Cloudy   CALM 100% 69°
High 86° O FALLON, IL 62269 weather forecast Day 2, 6 hours 7 AM 70° 70° Mostly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 19% severe)		   CALM 97% 69°

Partly Cloudy

Chance of Rain

 O FALLON, IL 62269 weather forecast Day 2, 9 hours 10 AM 78° 80° Partly Cloudy   CALM 82% 72°
O FALLON, IL 62269 weather forecast Day 2, 12 hours 1 PM 82° 86° Partly Cloudy 49%
RAIN
***		 0% Thunder
( 47% severe)		 S   3 69% 71°
O FALLON, IL 62269 weather forecast Day 2, 15 hours 4 PM 84° 89° Partly Cloudy S   5 65% 71°
O FALLON, IL 62269 weather forecast Day 2, 18 hours 7 PM 80° 83° Mostly Cloudy 83%
RAIN
***		 0% Thunder
( 34% severe)		 S   6 74% 71°
O FALLON, IL 62269 weather forecast Day 2, 21 hours 10 PM 74° 74° Mostly Cloudy SSE   3 93% 72°

SCOTT AFB, IL extended weather forecast
Friday
26 JUN 2026		 Saturday
27 JUN 2026		 Sunday
28 JUN 2026		 Monday
29 JUN 2026		 Tuesday
30 JUN 2026
Low 70° Low 71° Low 72° Low 70° Low 74°
High 84° High 87° High 95° High 96° High 96°
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
100% Rain		 Overcast
67% Rain		 Partly Cloudy
22% Rain		 Partly Cloudy
16% Rain		 Partly Cloudy
22% Rain
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