LEMONT, IL 60439 Weather Forecast & Current Conditions
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  60439 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ROMEOVILLE WFO, IL
Current Weather
2:35 AM CDT JUN 9, 2026
Overcast
73°F
Feels Like: 73°F
Dewpoint: 73°F
Rel. Hum.: 100%
Visibility: 8 miles
Wind: SW at 9 mph
Pressure: 29.95 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  60439 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

LEMONT, IL 60439
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Lows around 70. South winds 5 to 10 mph. Chance of precipitation 70 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers in the morning. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds 5 to 10 mph. Chance of precipitation 50 percent.
WEDNESDAY
Mostly cloudy in the morning, then clearing. Breezy with highs in the lower 90s. Southwest winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Gusts up to 30 mph. Heat index values up to 102.
WEDNESDAY NIGHT
Showers with a chance of thunderstorms. Breezy with lows around 70. Southwest winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.
THURSDAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Breezy with highs in the upper 80s. Chance of precipitation 70 percent.
THURSDAY NIGHT
Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 80 percent.
FRIDAY
Mostly sunny. Highs in the lower 80s.
FRIDAY NIGHT
Clear. Lows in the lower 60s.
SATURDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of precipitation 50 percent.
SUNDAY
A chance of showers in the morning. Partly cloudy. Highs in the upper 70s. Chance of precipitation 30 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the upper 50s.

  60439 WEATHER SATELLITE LOOPS
Visible Weather Satellite
LEMONT, IL 60439
Infrared Weather Satellite
LEMONT, IL 60439
  60439 WEATHER RADAR LOOP
NEXRAD Weather Radar
LEMONT, IL 60439
 MOS COMPUTER WEATHER FORECAST

ROMEOVILLE WFO, IL 3 hourly weather forecast
weather forecast created  8:00 PM EDT  6/ 8/2026
Tuesday
9 JUN 2026		 LEMONT, IL 60439 weather forecast Day 1, 0 hours 1 AM 71° 71° Mostly Cloudy 56%
RAIN
***		 0% Thunder
( 18% severe)		 S   9 97% 70°
Low 70° LEMONT, IL 60439 weather forecast Day 1, 3 hours 4 AM 71° 71° Mostly Cloudy SSW   8 97% 70°
High 87° LEMONT, IL 60439 weather forecast Day 1, 6 hours 7 AM 72° 72° Mostly Cloudy 25%
RAIN
.1–.25 in		 0% Thunder
( 21% severe)		 SW   8 100% 72°

Mostly Cloudy

Chance of Rain

 LEMONT, IL 60439 weather forecast Day 1, 9 hours 10 AM 78° 80° Mostly Cloudy WSW   10 88% 74°
LEMONT, IL 60439 weather forecast Day 1, 12 hours 1 PM 84° 90° Mostly Cloudy 6%

 0% Thunder
( 35% severe)		 W   13 70% 73°
LEMONT, IL 60439 weather forecast Day 1, 15 hours 4 PM 87° 94° Partly Cloudy W   13 63% 73°
LEMONT, IL 60439 weather forecast Day 1, 18 hours 7 PM 85° 92° Partly Cloudy 15%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 W   8 67% 73°
LEMONT, IL 60439 weather forecast Day 1, 21 hours 10 PM 77° 78° Mostly Cloudy SE   3 85% 72°
Wednesday
10 JUN 2026		 LEMONT, IL 60439 weather forecast Day 2, 0 hours 1 AM 74° 74° Partly Cloudy 51%
RAIN
>2 in		 0% Thunder
( 38% severe)		 S   7 90% 71°
Low 68° LEMONT, IL 60439 weather forecast Day 2, 3 hours 4 AM 73° 73° Mostly Cloudy SSW   8 93% 71°
High 91° LEMONT, IL 60439 weather forecast Day 2, 6 hours 7 AM 74° 74° Mostly Cloudy 8%

 0% Thunder
( 14% severe)		 S   12 100% 74°

Partly Cloudy




Breezy		 LEMONT, IL 60439 weather forecast Day 2, 9 hours 10 AM 83° 92° Partly Cloudy SSW   15 82% 77°
LEMONT, IL 60439 weather forecast Day 2, 12 hours 1 PM 89° 101° Partly Cloudy 6%

 0% Thunder
( 42% severe)		 SSW   17 66% 76°
LEMONT, IL 60439 weather forecast Day 2, 15 hours 4 PM 91° 101° Partly Cloudy SW   21 58% 74°
LEMONT, IL 60439 weather forecast Day 2, 18 hours 7 PM 88° 96° Partly Cloudy 49%
RAIN
***		 0% Thunder
( 27% severe)		 SSW   21 61% 73°
LEMONT, IL 60439 weather forecast Day 2, 21 hours 10 PM 81° 85° Partly Cloudy SSW   16 74% 72°

ROMEOVILLE WFO, IL extended weather forecast
Thursday
11 JUN 2026		 Friday
12 JUN 2026		 Saturday
13 JUN 2026		 Sunday
14 JUN 2026		 Monday
15 JUN 2026
Low 72° Low 67° Low 59° Low 61° Low 60°
High 91° High 80° High 84° High 78° High 75°
LEMONT, IL 60439 weather forecast Day 3 LEMONT, IL 60439 weather forecast Day 4 LEMONT, IL 60439 weather forecast Day 5 LEMONT, IL 60439 weather forecast Day 6 LEMONT, IL 60439 weather forecast Day 7
Partly Cloudy
72% Rain		 Mostly Cloudy
69% Rain		 Partly Cloudy
10% Rain		 Mostly Cloudy
46% Rain		 Overcast
54% Rain
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