LERNA, IL 62440 Weather Forecast & Current Conditions

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62440 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
MATTOON, IL Current Weather
7:53 PM CDT SEP 17, 2026
Clear 81°F
Feels Like:	86°F
Dewpoint:	73°F
Rel. Hum.:	77%
Visibility:	10 miles
Wind:	S at 5 mph
Pressure:	30.14 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

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(Automated weather data from NWS/FAA)

62440 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	LERNA, IL 62440 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

FRIDAY
Mostly sunny with a 20 percent chance of showers. Humid with highs in the upper 80s. Northeast winds 5 to 10 mph.

FRIDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 60s. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 20 percent.

SATURDAY
Mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph, becoming southwest in the afternoon.

SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 70. South winds around 5 mph.

SUNDAY
Partly sunny. Highs in the upper 80s.

SUNDAY NIGHT AND MONDAY
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Highs around 80. Chance of rain 50 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent.

TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the lower 70s. Lows in the mid 50s.

WEDNESDAY THROUGH THURSDAY
Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.

62440 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LERNA, IL 62440

Infrared Weather Satellite
LERNA, IL 62440

62440 WEATHER RADAR LOOP

NEXRAD Weather Radar
LERNA, IL 62440

MOS COMPUTER WEATHER FORECAST

MATTOON, IL 3 hourly weather forecast

weather forecast created 8:00 AM EDT 9/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
17 SEP 2026

1 PM

90°

95°

Partly Cloudy

8%

0% Thunder
( 25% severe)

W 8

50%

69°

High 94°

4 PM

93°

97°

Partly Cloudy

W 8

44%

68°

Partly Cloudy

7 PM

86°

91°

Clear

13%
RAIN
<.01 in

0% Thunder
( 31% severe)

W 3

61%

71°

10 PM

77°

78°

Partly Cloudy

NNW 5

85%

72°

Friday
18 SEP 2026

1 AM

74°

74°

Partly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 27% severe)

N 6

93%

72°

Low 71°

4 AM

72°

72°

Partly Cloudy

NE 7

100%

72°

High 88°

7 AM

71°

71°

Partly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 12% severe)

NE 7

97%

70°

Partly Cloudy

Chance of Rain

10 AM

78°

80°

Partly Cloudy

ENE 7

76%

70°

1 PM

84°

88°

Partly Cloudy

25%
RAIN
1–2 in

0% Thunder
( 24% severe)

NE 6

63%

70°

4 PM

86°

89°

Partly Cloudy

NE 7

55%

68°

7 PM

80°

83°

Partly Cloudy

7%

0% Thunder
( 24% severe)

ENE 9

74%

71°

10 PM

72°

72°

Mostly Cloudy

ESE 8

90%

69°

Saturday
19 SEP 2026

1 AM

70°

70°

Partly Cloudy

8%

0% Thunder
( 12% severe)

ESE 7

93%

68°

Low 68°

4 AM

69°

69°

Partly Cloudy

SSE 8

97%

68°

High 92°

7 AM

69°

69°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 9% severe)

SSE 8

97%

68°

Partly Cloudy

10 AM

80°

83°

Partly Cloudy

S 9

69%

69°

1 PM

88°

91°

Partly Cloudy

7%

0% Thunder
( 17% severe)

SW 10

50%

67°

4 PM

91°

93°

Mostly Cloudy

W 9

42%

65°

7 PM

84°

87°

Mostly Cloudy

SSW 6

57%

67°


MATTOON, IL extended weather forecast
Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026	Wednesday 23 SEP 2026	Thursday 24 SEP 2026
Low 69°	Low 64°	Low 60°	Low 56°	Low 58°
High 86°	High 79°	High 73°	High 81°	High 79°

Overcast 27% Rain	Overcast 55% Rain	Overcast 52% Rain	Mostly Cloudy 28% Rain	Mostly Cloudy 21% Rain

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