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Day 1 Outlook • April 18, 2026
Day 2 Outlook • April 19, 2026
Day 3 Outlook • April 20, 2026
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National Weather Radar

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dBZ 5
75

Hazardous Weather Conditions

Current Conditions: CUSTER PARK, ILLINOIS

JOLIET (KJOT)

Rain

63.0 F
Humidity:96%
Wind Speed: 12.8 G 20.8 mph
Barometer:29.68 in
Dewpoint:61.7 F
Visibility:10.00 mi
Precip:00.01 in
Heat Index:NA
Wind Chill:NA
Apr 18 2026, 12:35 AM CDT
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5 Day Forecast for CUSTER PARK, ILLINOIS (60481)

Saturday

High 55 °F
Slight Chance of Rain Showers
Saturday
Night
Low 35 °F
Mostly Clear
Sunday

High 55 °F
Partly Sunny
Sunday
Night
Low 32 °F
Mostly Clear
Monday

High 57 °F
Mostly Sunny
Monday
Night
Low 46 °F
Partly Cloudy
Tuesday

High 75 °F
Partly Sunny
Tuesday
Night
Low 51 °F
Partly Cloudy
Wednesday

High 77 °F
Mostly Sunny

Detailed Forecast for CUSTER PARK, ILLINOIS (60481)

Saturday
Slight Chance of Rain Showers. High near 55°F. Wind 15 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Mostly Clear. Low around 35°F. Wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly Sunny. High near 55°F. Wind 8 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly Clear. Low around 32°F. Wind 2 to 6 mph, with gusts as high as 12 mph.
Monday
Mostly Sunny. High near 57°F. Wind 5 to 7 mph, with gusts as high as 13 mph.
Monday Night
Partly Cloudy. Low around 46°F. Wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Partly Sunny. High near 75°F. Wind 9 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Partly Cloudy. Low around 51°F. Wind around 7 mph, with gusts as high as 14 mph.
Wednesday
Mostly Sunny. High near 77°F. Wind around 7 mph, with gusts as high as 14 mph.
Wednesday Night
Mostly Clear. Low around 55°F. Wind around 6 mph, with gusts as high as 14 mph.
Thursday
Partly Sunny. High near 82°F. Wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Chance of Thunderstorms. Low around 62°F. Wind around 10 mph, with gusts as high as 21 mph.
Friday
Chance of Thunderstorms. High near 78°F. Wind 12 to 15 mph, with gusts as high as 23 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 18, 2026

Observation History for CUSTER PARK, ILLINOIS

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
12:35 AM CDT 12.8 G 20.8 10.00 Rain 00.01 63.0 61.7 96% NA NA 29.68 1004.8
12:15 AM CDT 11.4 G 16.1 10.00 Light Drizzle -- 63.3 62.2 96% NA NA 29.68 1005.1
11:55 PM CDT 5.8 10.00 Light Rain 00.06 63.1 62.6 98% NA NA 29.66 1004.4
11:35 PM CDT 4.7 10.00 Light Rain 00.06 63.3 62.4 97% NA NA 29.64 1003.7
11:15 PM CDT 9.2 G 24.2 7.00 Rain 00.04 63.5 62.8 98% NA NA 29.69 1005.4
10:55 PM CDT 15.0 G 23.0 7.00 Rain 00.40 63.5 62.8 98% NA NA 29.72 1006.4
10:15 PM CDT W 15.0 G 26.4 3.00 Heavy Rain 00.27 63.1 62.6 98% NA NA 29.72 1006.4
09:55 PM CDT W 9.2 G 18.3 4.00 Heavy Rain 00.14 64.8 61.5 89% NA NA 29.69 1005.4
09:35 PM CDT 10.00 NULL -- 76.3 65.1 68% NA 76.8 29.68 1005.1
09:15 PM CDT 15.0 G 21.9 10.00 Light Rain -- 76.1 65.1 69% NA 76.6 29.65 1004.1
08:55 PM CDT 16.1 G 28.9 10.00 Light Rain -- 76.3 64.9 68% NA 76.8 29.65 1004.1
08:35 PM CDT 17.2 G 24.2 10.00 Cloudy -- 78.8 63.7 60% NA 79.2 29.66 1004.4
08:15 PM CDT 10.00 NULL -- 78.4 63.5 60% NA 78.8 29.63 1003.4
07:55 PM CDT S 13.9 G 21.9 10.00 Mostly Cloudy -- 78.8 63.9 60% NA 79.2 29.63 1003.4
07:35 PM CDT S 16.1 G 23.0 10.00 Partly Cloudy -- 78.8 63.9 60% NA 79.2 29.63 1003.4
07:15 PM CDT S 12.8 G 20.8 10.00 Partly Cloudy -- 79.0 64.0 60% NA 79.3 29.63 1003.4
06:55 PM CDT S 12.8 G 21.9 10.00 Partly Cloudy -- 79.7 64.0 59% NA 81.3 29.64 1003.7
06:35 PM CDT S 13.9 G 21.9 10.00 Mostly Cloudy -- 79.9 64.4 59% NA 81.7 29.66 1004.4
06:15 PM CDT S 17.2 G 27.7 10.00 Partly Cloudy -- 80.6 63.9 57% NA 82.2 29.68 1005.1
05:55 PM CDT S 20.8 G 30.0 10.00 Partly Cloudy and Windy -- 80.6 63.7 56% NA 82.0 29.66 1004.4
05:35 PM CDT S 16.1 G 27.7 10.00 Mostly Cloudy -- 80.8 64.0 57% NA 82.4 29.66 1004.4
05:15 PM CDT S 19.7 G 28.9 10.00 Mostly Cloudy and Windy -- 82.4 63.5 53% NA 83.7 29.68 1004.8
04:55 PM CDT S 13.9 G 24.2 10.00 Partly Cloudy -- 82.4 62.4 51% NA 83.3 29.66 1004.4
04:15 PM CDT G 27.7 10.00 Mostly Cloudy -- 83.8 62.2 48% NA 84.6 29.70 1005.8

Regional Weather Observation

JOLIET (KJOT)

Rain
63.0 F

ROMEOVILLE/CHI (KLOT)

Light Rain
62.6 F

MORRIS-WASHBURN (KC09)

Light Rain
61.7 F

CHICAGO/AURORA (KARR)

Rain and Fog/Mist
60.8 F

CHICAGO/DUPAGE (KDPA)

Light Rain
62.6 F

SCHAUMBURG (K06C)

Cloudy
62.1 F
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