LERNA, IL 62440 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

6:53 PM CDT APR 21, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 48°F
Rel. Hum.: 41%
Visibility: 10 miles
Wind: SSW at 13 mph, gusts to 20
Pressure: 29.95 inches
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LERNA, IL 62440
Weather Forecast

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TONIGHT
Partly cloudy with isolated showers and thunderstorms this evening, then mostly cloudy with scattered showers and thunderstorms after midnight. Not as cool with lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to around 10 mph with gusts up to 20 mph after midnight. Chance of rain 40 percent.
WEDNESDAY
Mostly sunny. Scattered showers and thunderstorms in the morning. Highs in the mid 70s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s. South winds 5 to 10 mph.
THURSDAY
Sunny. Highs in the upper 70s. South winds 15 to 20 mph.
THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
FRIDAY
Showers likely in the morning, then showers with 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 mid 50s. Chance of rain 40 percent.
SATURDAY THROUGH SUNDAY
Partly cloudy. Highs in the mid 70s. Lows around 50.
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. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent.
TUESDAY
Mostly sunny. Highs in the upper 60s.

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 AM EDT  4/21/2026
Tuesday
21 APR 2026
LERNA, IL 62440 weather forecast Day 1, 12 hours 1 PM 72° 72° Partly Cloudy 1%

0% Thunder
( 4% severe)
SW   18 37% 44°
High 75° LERNA, IL 62440 weather forecast Day 1, 15 hours 4 PM 74° 74° Clear SW   20 38% 47°
Partly Cloudy




Breezy
LERNA, IL 62440 weather forecast Day 1, 18 hours 7 PM 71° 71° Clear 16%
RAIN
<.01 in
0% Thunder
( 11% severe)
SW   15 42% 47°
LERNA, IL 62440 weather forecast Day 1, 21 hours 10 PM 65° 65° Mostly Cloudy SW   13 52% 47°
Wednesday
22 APR 2026
LERNA, IL 62440 weather forecast Day 2, 0 hours 1 AM 62° 61° Mostly Cloudy 25%
RAIN
***
0% Thunder
( 16% severe)
SW   12 60% 48°
Low 58° LERNA, IL 62440 weather forecast Day 2, 3 hours 4 AM 60° 58° Partly Cloudy WSW   12 72% 51°
High 74° LERNA, IL 62440 weather forecast Day 2, 6 hours 7 AM 59° 57° Partly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 11% severe)
WSW   10 78% 52°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 2, 9 hours 10 AM 65° 65° Partly Cloudy WSW   12 70% 55°
LERNA, IL 62440 weather forecast Day 2, 12 hours 1 PM 71° 71° Partly Cloudy 6%

0% Thunder
( 16% severe)
WSW   12 61% 57°
LERNA, IL 62440 weather forecast Day 2, 15 hours 4 PM 74° 74° Partly Cloudy SW   10 53% 56°
LERNA, IL 62440 weather forecast Day 2, 18 hours 7 PM 71° 71° Partly Cloudy 2%

0% Thunder
( 7% severe)
SSW   7 59% 56°
LERNA, IL 62440 weather forecast Day 2, 21 hours 10 PM 65° 65° Partly Cloudy S   7 73% 56°
Thursday
23 APR 2026
LERNA, IL 62440 weather forecast Day 3, 0 hours 1 AM 61° 60° Partly Cloudy 0%

0% Thunder
( 3% severe)
S   7 78% 54°
Low 57° LERNA, IL 62440 weather forecast Day 3, 3 hours 4 AM 59° 58° Partly Cloudy S   8 80% 53°
High 79° LERNA, IL 62440 weather forecast Day 3, 6 hours 7 AM 58° 56° Clear 0%

0% Thunder
( 2% severe)
S   8 80% 52°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 3, 9 hours 10 AM 69° 69° Clear S   13 59% 54°
LERNA, IL 62440 weather forecast Day 3, 15 hours 1 PM 76° 78° Partly Cloudy 3%

0% Thunder
( 8% severe)
S   16 45% 53°
LERNA, IL 62440 weather forecast Day 3, 18 hours 4 PM 78° 79° Partly Cloudy S   16 43% 54°
LERNA, IL 62440 weather forecast Day 3, 21 hours 7 PM 74° 74° Partly Cloudy     S   14 51% 55°

MATTOON, IL extended weather forecast

Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Tuesday
28 APR 2026
Low 60° Low 55° Low 51° Low 54° Low 51°
High 76° High 72° High 70° High 67° High 65°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
67% Rain
Mostly Cloudy
61% Rain
Partly Cloudy
13% Rain
Mostly Cloudy
50% Rain
Overcast
64% Rain
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