Pearl City, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Pearl City, IL.

Current Conditions — Pearl City, IL

SAVANNA/TRITOWN (KSFY)

Light Rain

58.1 F
Humidity:94%
Wind Speed: G 36.9 mph
Barometer: in
Dewpoint:56.5 F
Visibility:10.00 mi
Precip:00.08 in
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 11:35 AM CDT
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5-Day Forecast — Pearl City, IL

Monday

High 68 °F
T-storms
Monday
Night
Low 46 °F
T-storms Likely
Tuesday

High 62 °F
Mostly Cloudy
Tuesday
Night
Low 44 °F
Mostly Cloudy
Wednesday

High 59 °F
Partly Sunny
Wednesday
Night
Low 39 °F
Mostly Clear
Thursday

High 59 °F
Slight Chance of Rain Showers
Thursday
Night
Low 37 °F
Mostly Cloudy
Friday

High 57 °F
Mostly Cloudy

Detailed Forecast — Pearl City, IL

Monday
Thunderstorms. High near 68°F. Wind 18 to 21 mph, with gusts as high as 30 mph.
Monday Night
Thunderstorms Likely. Low around 46°F. Wind 16 to 18 mph, with gusts as high as 26 mph.
Tuesday
Mostly Cloudy. High near 62°F. Wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly Cloudy. Low around 44°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Wednesday
Partly Sunny. High near 59°F. Wind 9 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly Clear. Low around 39°F. Wind around 3 mph, with gusts as high as 7 mph.
Thursday
Slight Chance of Rain Showers. High near 59°F. Wind 8 to 10 mph, with gusts as high as 16 mph.
Thursday Night
Mostly Cloudy. Low around 37°F. Wind around 5 mph, with gusts as high as 8 mph.
Friday
Mostly Cloudy. High near 57°F. Wind 6 to 9 mph, with gusts as high as 14 mph.
Friday Night
Mostly Clear. Low around 37°F. Wind around 1 mph, with gusts as high as 5 mph.
Saturday
Mostly Sunny. High near 62°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Saturday Night
Mostly Clear. Low around 42°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Mostly Sunny. High near 71°F. Wind 6 to 10 mph, with gusts as high as 16 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 27, 2026

Observation History — Pearl City, IL

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)
11:35 AM CDT G 36.9 10.00 Light Rain 00.08 58.1 56.5 94% NA NA M
11:15 AM CDT G 31.1 4.00 Thunderstorms and Rain 00.04 57.2 55.6 94% NA NA M
10:55 AM CDT 13.9 4.00 Thunderstorms and Rain 00.15 57.4 55.4 93% NA NA 29.74 1007.1
10:35 AM CDT 13.9 2.50 Heavy Thunderstorms and Heavy Rain 00.09 57.2 54.9 92% NA NA 29.74 1007.1
10:15 AM CDT 10.3 4.00 Heavy Thunderstorms and Heavy Rain 00.04 57.6 54.3 89% NA NA 29.73 1006.8
09:55 AM CDT SE 6.9 5.00 Thunderstorms and Rain 00.07 57.7 53.6 86% NA NA 29.68 1005.1
09:35 AM CDT SE 11.4 G 20.8 7.00 Rain 00.02 58.5 53.1 82% NA NA 29.69 1005.4
09:15 AM CDT SE 12.8 G 20.8 10.00 Rain -- 59.7 52.0 76% NA NA 29.71 1006.1
08:55 AM CDT 17.2 G 24.2 10.00 Mostly Cloudy -- 61.3 50.2 67% NA NA 29.72 1006.4
08:35 AM CDT SE 15.0 G 24.2 10.00 Cloudy -- 61.3 50.0 66% NA NA 29.72 1006.4
08:15 AM CDT 18.3 G 23.0 10.00 Cloudy -- 61.2 49.6 66% NA NA 29.72 1006.4
07:55 AM CDT SE 16.1 G 21.9 10.00 Cloudy -- 60.4 49.5 67% NA NA 29.73 1006.8
07:35 AM CDT SE 12.8 10.00 Cloudy -- 60.1 49.8 69% NA NA 29.74 1007.1
07:15 AM CDT 12.8 10.00 Cloudy -- 59.9 49.6 69% NA NA 29.74 1007.1
06:55 AM CDT 13.9 G 19.7 10.00 Cloudy -- 59.9 49.3 68% NA NA 29.75 1007.5
06:35 AM CDT 11.4 G 18.3 10.00 Cloudy -- 60.1 49.1 67% NA NA 29.76 1007.8
06:15 AM CDT 13.9 G 20.8 10.00 Cloudy -- 60.8 49.1 65% NA NA 29.76 1007.8
05:55 AM CDT SE 15.0 G 20.8 10.00 Cloudy -- 61.0 48.9 64% NA NA 29.78 1008.5
05:35 AM CDT SE 10.3 G 19.7 10.00 Cloudy -- 60.4 49.1 66% NA NA 29.77 1008.1
05:15 AM CDT 13.9 G 21.9 10.00 Cloudy -- 60.1 48.7 66% NA NA 29.78 1008.5
04:55 AM CDT 13.9 G 17.2 10.00 Mostly Cloudy -- 59.5 48.7 67% NA NA 29.79 1008.8
04:35 AM CDT SE 12.8 G 17.2 10.00 Partly Cloudy -- 59.4 48.7 68% NA NA 29.79 1008.8
04:15 AM CDT SE 12.8 10.00 Partly Cloudy -- 59.4 48.6 67% NA NA 29.79 1008.8
03:55 AM CDT G 21.9 10.00 Mostly Cloudy -- 59.9 48.6 66% NA NA 29.79 1008.8

Regional Weather Observation

SAVANNA/TRITOWN (KSFY)

Light Rain
58.1 F

PLATTEVILLE (KPVB)

Cloudy
NULL F

(KMRJ)


F

MONROE (KEFT)

Heavy Rain
54.9 F

FREEPORT (KFEP)

Cloudy
56.3 F

DUBUQUE (KDBQ)

Mostly Cloudy and Windy
60.8 F
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