LERNA, IL 62440 Weather Forecast & Current Conditions

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MATTOON, IL
Current Weather

6:53 PM CDT SEP 11, 2026
Clear
77°F
Feels Like: 79°F
Dewpoint: 68°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: ESE at 5 mph
Pressure: 29.87 inches
Last 72 hours

Local Area Snow Depth

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LERNA, IL 62440
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 20 percent.
SATURDAY
Mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
SUNDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 30 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. Northeast winds 5 to 10 mph.
MONDAY
Mostly sunny. Highs in the lower 80s.
MONDAY NIGHT AND TUESDAY
Mostly clear. Lows in the mid 60s. Highs in the lower 90s.
TUESDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.
WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. A chance of showers. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.
FRIDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 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 AM EDT  9/11/2026
Friday
11 SEP 2026
LERNA, IL 62440 weather forecast Day 1, 12 hours 1 PM 81° 83° Mostly Cloudy 2%

0% Thunder
( 7% severe)
ESE   7 58% 65°
High 83° LERNA, IL 62440 weather forecast Day 1, 15 hours 4 PM 82° 84° Mostly Cloudy ESE   5 56% 65°
Mostly Cloudy



LERNA, IL 62440 weather forecast Day 1, 18 hours 7 PM 77° 79° Mostly Cloudy 3%

0% Thunder
( 7% severe)
E   3 74% 68°
LERNA, IL 62440 weather forecast Day 1, 21 hours 10 PM 70° 70° Mostly Cloudy SE   3 97% 69°
Saturday
12 SEP 2026
LERNA, IL 62440 weather forecast Day 2, 0 hours 1 AM 68° 68° Partly Cloudy 9%

0% Thunder
( 10% severe)
SSE   3 100% 68°
Low 66° LERNA, IL 62440 weather forecast Day 2, 3 hours 4 AM 68° 68° Mostly Cloudy S   3 100% 68°
High 88° LERNA, IL 62440 weather forecast Day 2, 6 hours 7 AM 68° 68° Mostly Cloudy 5%

0% Thunder
( 6% severe)
S   3 100% 68°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 2, 9 hours 10 AM 78° 80° Partly Cloudy WSW   6 76% 70°
LERNA, IL 62440 weather forecast Day 2, 12 hours 1 PM 85° 88° Partly Cloudy 7%

0% Thunder
( 9% severe)
WSW   7 57% 68°
LERNA, IL 62440 weather forecast Day 2, 15 hours 4 PM 88° 90° Partly Cloudy WSW   7 47% 65°
LERNA, IL 62440 weather forecast Day 2, 18 hours 7 PM 81° 84° Partly Cloudy 0%

0% Thunder
( 7% severe)
SW   3 65% 68°
LERNA, IL 62440 weather forecast Day 2, 21 hours 10 PM 71° 71° Partly Cloudy   CALM 90% 68°
Sunday
13 SEP 2026
LERNA, IL 62440 weather forecast Day 3, 0 hours 1 AM 68° 68° Partly Cloudy 2%

0% Thunder
( 10% severe)
  CALM 100% 68°
Low 66° LERNA, IL 62440 weather forecast Day 3, 3 hours 4 AM 67° 67° Partly Cloudy W   3 100% 67°
High 86° LERNA, IL 62440 weather forecast Day 3, 6 hours 7 AM 66° 66° Partly Cloudy 4%

0% Thunder
( 7% severe)
NNW   3 100% 66°

Partly Cloudy



LERNA, IL 62440 weather forecast Day 3, 9 hours 10 AM 78° 80° Partly Cloudy N   6 67% 66°
LERNA, IL 62440 weather forecast Day 3, 15 hours 1 PM 84° 86° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 26% severe)
NW   6 53% 65°
LERNA, IL 62440 weather forecast Day 3, 18 hours 4 PM 85° 86° Partly Cloudy N   8 48% 63°
LERNA, IL 62440 weather forecast Day 3, 21 hours 7 PM 76° 78° Partly Cloudy     NNE   8 66% 64°

MATTOON, IL extended weather forecast

Monday
14 SEP 2026
Tuesday
15 SEP 2026
Wednesday
16 SEP 2026
Thursday
17 SEP 2026
Friday
18 SEP 2026
Low 58° Low 66° Low 68° Low 71° Low 67°
High 79° High 93° High 90° High 92° High 90°
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
Partly Cloudy
27% Rain
Partly Cloudy
34% Rain
Partly Cloudy
43% Rain
Partly Cloudy
31% Rain
Partly Cloudy
37% Rain
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