LERNA, IL 62440 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

8:53 AM CDT APR 23, 2026
Clear
66°F
Feels Like: 66°F
Dewpoint: 55°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: S at 9 mph
Pressure: 29.97 inches
Last 72 hours

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LERNA, IL 62440
Weather Forecast

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REST OF TODAY
Sunny. Highs around 80. South winds 15 to 20 mph with gusts up to 30 mph.
TONIGHT
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 50 percent.
FRIDAY
A chance of thunderstorms. Showers. Highs in the mid 70s. South winds around 15 mph, becoming southwest in the afternoon. Chance of rain 90 percent.
FRIDAY NIGHT
Mostly cloudy in the evening, then clearing. Cooler with lows in the lower 50s. Northwest winds 5 to 10 mph, becoming north after midnight.
SATURDAY
Sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 40s.
SUNDAY
Partly sunny. Highs in the lower 70s.
SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.
MONDAY
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 70s. Chance of rain 80 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 50s. Chance of rain 50 percent.
TUESDAY AND TUESDAY NIGHT
Mostly clear. Highs in the upper 60s. Lows in the mid 40s.
WEDNESDAY
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 PM EDT  4/22/2026
Thursday
23 APR 2026
LERNA, IL 62440 weather forecast Day 1, 0 hours 1 AM 62° 62° Clear 0%

0% Thunder
( 1% severe)
SSW   7 78% 55°
Low 58° LERNA, IL 62440 weather forecast Day 1, 3 hours 4 AM 59° 58° Clear SSW   7 83% 54°
High 80° LERNA, IL 62440 weather forecast Day 1, 6 hours 7 AM 59° 58° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   8 83% 54°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 1, 9 hours 10 AM 71° 71° Partly Cloudy S   13 57% 55°
LERNA, IL 62440 weather forecast Day 1, 12 hours 1 PM 77° 78° Partly Cloudy 2%

0% Thunder
( 9% severe)
SSW   16 45% 54°
LERNA, IL 62440 weather forecast Day 1, 15 hours 4 PM 79° 80° Partly Cloudy S   16 44% 55°
LERNA, IL 62440 weather forecast Day 1, 18 hours 7 PM 76° 78° Partly Cloudy 8%

0% Thunder
( 8% severe)
S   14 50% 56°
LERNA, IL 62440 weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy S   13 63% 56°
Friday
24 APR 2026
LERNA, IL 62440 weather forecast Day 2, 0 hours 1 AM 67° 67° Partly Cloudy 39%
RAIN
.5–1 in
0% Thunder
( 24% severe)
S   13 68% 56°
Low 62° LERNA, IL 62440 weather forecast Day 2, 3 hours 4 AM 65° 65° Mostly Cloudy S   14 70% 55°
High 72° LERNA, IL 62440 weather forecast Day 2, 6 hours 7 AM 63° 61° Mostly Cloudy 67%
RAIN
***
0% Thunder
( 20% severe)
S   14 78% 56°

Mostly Cloudy

Rain Likely

LERNA, IL 62440 weather forecast Day 2, 9 hours 10 AM 66° 66° Mostly Cloudy SSW   15 78% 59°
LERNA, IL 62440 weather forecast Day 2, 12 hours 1 PM 68° 68° Mostly Cloudy 68%
RAIN
***
0% Thunder
( 26% severe)
SW   15 76% 60°
LERNA, IL 62440 weather forecast Day 2, 15 hours 4 PM 70° 70° Mostly Cloudy WSW   13 68% 59°
LERNA, IL 62440 weather forecast Day 2, 18 hours 7 PM 68° 68° Mostly Cloudy 32%
RAIN
1–2 in
0% Thunder
( 8% severe)
W   9 68% 57°
LERNA, IL 62440 weather forecast Day 2, 21 hours 10 PM 62° 61° Mostly Cloudy WNW   8 78% 55°

MATTOON, IL extended weather forecast

Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Tuesday
28 APR 2026
Wednesday
29 APR 2026
Low 50° Low 51° Low 56° Low 55° Low 48°
High 76° High 70° High 76° 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
Clear
7% Rain
Partly Cloudy
15% Rain
Overcast
64% Rain
Partly Cloudy
52% Rain
Overcast
31% Rain
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