ALLISON, IL 62439 Weather Forecast & Current Conditions

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LAWRENCEVILLE, IL
Current Weather

11:53 PM CDT JUN 8, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 73°F
Rel. Hum.: 94%
Visibility: 10 miles
Wind: SSE at 10 mph
Pressure: 29.97 inches
Last 72 hours

Local Area Snow Depth

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ALLISON, IL 62439
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 80 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms. Some thunderstorms may produce heavy rainfall in the morning. Humid with highs in the upper 80s. Southwest winds around 10 mph. Chance of rain 50 percent. Heat index values up to 100 in the afternoon.
TUESDAY NIGHT
Partly cloudy with a chance of thunderstorms. A chance of showers, mainly in the evening. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
WEDNESDAY
Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 102.
WEDNESDAY NIGHT
Mostly clear. A chance of showers after midnight. Humid with lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 30 percent.
THURSDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.
THURSDAY NIGHT
Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 70s. Chance of rain 70 percent.
FRIDAY
Mostly sunny. Highs in the mid 80s.
FRIDAY NIGHT
Mostly clear. Lows in the mid 60s.
SATURDAY
Mostly sunny. Highs in the upper 80s.
SATURDAY NIGHT AND SUNDAY
Partly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the mid 80s. Chance of rain 40 percent.
SUNDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.
MONDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Visible Weather Satellite
ALLISON, IL 62439
Infrared Weather Satellite
ALLISON, IL 62439
NEXRAD Weather Radar
ALLISON, IL 62439

LAWRENCEVILLE, IL 3 hourly weather forecast

weather forecast created  6:00 PM MDT  6/ 8/2026
Tuesday
9 JUN 2026
ALLISON, IL 62439 weather forecast Day 1, 0 hours 1 AM 74° 74° Mostly Cloudy 85%
RAIN
***
0% Thunder
( 40% severe)
S   10 90% 71°
Low 72° ALLISON, IL 62439 weather forecast Day 1, 3 hours 4 AM 73° 73° Mostly Cloudy SSW   10 90% 70°
High 89° ALLISON, IL 62439 weather forecast Day 1, 6 hours 7 AM 74° 74° Mostly Cloudy 34%
RAIN
.01–.1 in
0% Thunder
( 31% severe)
SSW   10 87% 70°

Mostly Cloudy

Chance of Rain

ALLISON, IL 62439 weather forecast Day 1, 9 hours 10 AM 80° 84° Mostly Cloudy SSW   13 79% 73°
ALLISON, IL 62439 weather forecast Day 1, 12 hours 1 PM 85° 93° Mostly Cloudy 35%
RAIN
.01–.1 in
0% Thunder
( 49% severe)
SW   14 72% 75°
ALLISON, IL 62439 weather forecast Day 1, 15 hours 4 PM 88° 98° Mostly Cloudy SW   14 66% 75°
ALLISON, IL 62439 weather forecast Day 1, 18 hours 7 PM 86° 96° Partly Cloudy 40%
RAIN
.25–.5 in
0% Thunder
( 44% severe)
SW   10 72% 76°
ALLISON, IL 62439 weather forecast Day 1, 21 hours 10 PM 80° 85° Partly Cloudy S   9 82% 74°
Wednesday
10 JUN 2026
ALLISON, IL 62439 weather forecast Day 2, 0 hours 1 AM 78° 80° Partly Cloudy 39%
RAIN
.5–1 in
0% Thunder
( 32% severe)
SSW   10 88% 74°
Low 74° ALLISON, IL 62439 weather forecast Day 2, 3 hours 4 AM 76° 76° Mostly Cloudy SSW   10 87% 72°
High 93° ALLISON, IL 62439 weather forecast Day 2, 6 hours 7 AM 77° 78° Partly Cloudy 3%

0% Thunder
( 14% severe)
SSW   10 85% 72°

Partly Cloudy



ALLISON, IL 62439 weather forecast Day 2, 9 hours 10 AM 86° 94° Partly Cloudy SW   13 68% 74°
ALLISON, IL 62439 weather forecast Day 2, 12 hours 1 PM 91° 102° Clear 1%

0% Thunder
( 40% severe)
SW   15 60% 75°
ALLISON, IL 62439 weather forecast Day 2, 15 hours 4 PM 92° 102° Clear SSW   16 56% 74°
ALLISON, IL 62439 weather forecast Day 2, 18 hours 7 PM 89° 99° Clear 8%

0% Thunder
( 20% severe)
SSW   15 64% 75°
ALLISON, IL 62439 weather forecast Day 2, 21 hours 10 PM 82° 87° Partly Cloudy S   13 72% 72°

LAWRENCEVILLE, IL extended weather forecast

BAD DAY
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Low 74° Low 74° Low 75° Low 63° Low 61°
High 94° High 92° High 88° High 86° High 80°
ALLISON, IL 62439 weather forecast Day 3 ALLISON, IL 62439 weather forecast Day 4 ALLISON, IL 62439 weather forecast Day 5 ALLISON, IL 62439 weather forecast Day 6 ALLISON, IL 62439 weather forecast Day 7
Partly Cloudy
45% Rain
Partly Cloudy
55% Rain
Overcast
56% Rain
Partly Cloudy
17% Rain
Partly Cloudy
16% Rain
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