LERNA, IL 62440 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

6:53 AM CDT APR 21, 2026
Clear
52°F
Feels Like: 48°F
Dewpoint: 43°F
Rel. Hum.: 71%
Visibility: 10 miles
Wind: SSE at 12 mph
Pressure: 30.13 inches
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LERNA, IL 62440
Weather Forecast

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TODAY
Mostly sunny. Not as cool with highs in the mid 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Not as cool with lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph, diminishing to around 10 mph with gusts up to 20 mph after midnight. Chance of rain 40 percent.
WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the mid 70s. Southwest winds around 10 mph. Chance of rain 30 percent.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 50s. South winds 5 to 10 mph.
THURSDAY
Sunny. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph.
THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.
FRIDAY
Showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Chance of rain 30 percent.
SATURDAY THROUGH SUNDAY
Partly cloudy. Highs in the lower 70s. Lows in the upper 40s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.
MONDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 50 percent.

Visible Weather Satellite
LERNA, IL 62440
Infrared Weather Satellite
LERNA, IL 62440
NEXRAD Weather Radar
LERNA, IL 62440

MATTOON, IL 3 hourly weather forecast

weather forecast created  8:00 PM EDT  4/20/2026
Tuesday
21 APR 2026
LERNA, IL 62440 weather forecast Day 1, 0 hours 1 AM 49° 45° Clear 0%

0% Thunder
( 1% severe)
S   10 56% 34°
Low 48° LERNA, IL 62440 weather forecast Day 1, 3 hours 4 AM 49° 45° Partly Cloudy S   10 66% 38°
High 75° LERNA, IL 62440 weather forecast Day 1, 6 hours 7 AM 49° 44° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   12 74% 41°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 1, 9 hours 10 AM 64° 63° Partly Cloudy SW   15 50% 45°
LERNA, IL 62440 weather forecast Day 1, 12 hours 1 PM 72° 72° Mostly Cloudy 4%

0% Thunder
( 6% severe)
SW   18 38% 45°
LERNA, IL 62440 weather forecast Day 1, 15 hours 4 PM 75° 75° Clear SW   18 38% 48°
LERNA, IL 62440 weather forecast Day 1, 18 hours 7 PM 72° 72° Clear 19%
RAIN
***
0% Thunder
( 13% severe)
SW   15 44% 49°
LERNA, IL 62440 weather forecast Day 1, 21 hours 10 PM 65° 65° Mostly Cloudy SW   13 56% 49°
Wednesday
22 APR 2026
LERNA, IL 62440 weather forecast Day 2, 0 hours 1 AM 63° 62° Mostly Cloudy 26%
RAIN
***
0% Thunder
( 19% severe)
WSW   12 62% 50°
Low 58° LERNA, IL 62440 weather forecast Day 2, 3 hours 4 AM 61° 59° Mostly Cloudy WSW   12 70% 51°
High 75° LERNA, IL 62440 weather forecast Day 2, 6 hours 7 AM 59° 57° Partly Cloudy 4%

0% Thunder
( 12% severe)
W   12 78% 52°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 2, 9 hours 10 AM 65° 65° Partly Cloudy WSW   12 68% 54°
LERNA, IL 62440 weather forecast Day 2, 12 hours 1 PM 71° 71° Partly Cloudy 6%

0% Thunder
( 13% severe)
SW   12 57% 55°
LERNA, IL 62440 weather forecast Day 2, 15 hours 4 PM 73° 73° Partly Cloudy SW   10 53% 55°
LERNA, IL 62440 weather forecast Day 2, 18 hours 7 PM 71° 71° Partly Cloudy 2%

0% Thunder
( 6% severe)
SSW   7 57% 55°
LERNA, IL 62440 weather forecast Day 2, 21 hours 10 PM 64° 64° Partly Cloudy S   7 73% 55°

MATTOON, IL extended weather forecast

Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Low 58° Low 60° Low 55° Low 51° Low 54°
High 78° High 76° High 72° High 70° High 67°
LERNA, IL 62440 weather forecast Day 3 LERNA, IL 62440 weather forecast Day 4 LERNA, IL 62440 weather forecast Day 5 LERNA, IL 62440 weather forecast Day 6 LERNA, IL 62440 weather forecast Day 7
Partly Cloudy
14% Rain
Overcast
67% Rain
Mostly Cloudy
61% Rain
Partly Cloudy
13% Rain
Mostly Cloudy
50% Rain
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