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Day 1 Outlook • April 19, 2026
Day 2 Outlook • April 20, 2026
Day 3 Outlook • April 21, 2026
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National Weather Radar

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dBZ 5
75

Hazardous Weather Conditions

Current Conditions: PECATONICA, ILLINOIS

MONROE (KEFT)

Clear

39.0 F
Humidity:50%
Wind Speed:W 10.3 mph
Barometer:30.04 in
Dewpoint:21.7 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:32.4 F
Apr 18 2026, 09:55 PM CDT
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5 Day Forecast for PECATONICA, ILLINOIS (61063)

Saturday

High 48 °F
Partly Sunny
Saturday
Night
Low 32 °F
Partly Cloudy
Sunday

High 50 °F
Slight Chance of Snow
Sunday
Night
Low 28 °F
Mostly Clear
Monday

High 55 °F
Mostly Sunny
Monday
Night
Low 44 °F
Mostly Cloudy
Tuesday

High 73 °F
Partly Sunny
Tuesday
Night
Low 46 °F
Mostly Clear
Wednesday

High 75 °F
Mostly Sunny

Detailed Forecast for PECATONICA, ILLINOIS (61063)

Saturday
Partly Sunny. High near 48°F. Wind 15 to 18 mph, with gusts as high as 30 mph.
Saturday Night
Partly Cloudy. Low around 32°F. Wind 5 to 7 mph, with gusts as high as 9 mph.
Sunday
Slight Chance of Snow. High near 50°F. Wind 7 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly Clear. Low around 28°F. Wind 2 to 9 mph, with gusts as high as 16 mph.
Monday
Mostly Sunny. High near 55°F. Wind 2 to 9 mph, with gusts as high as 15 mph.
Monday Night
Mostly Cloudy. Low around 44°F. Wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday
Partly Sunny. High near 73°F. Wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly Clear. Low around 46°F. Wind around 6 mph, with gusts as high as 12 mph.
Wednesday
Mostly Sunny. High near 75°F. Wind 7 to 8 mph, with gusts as high as 13 mph.
Wednesday Night
Mostly Clear. Low around 55°F. Wind around 9 mph, with gusts as high as 16 mph.
Thursday
Partly Sunny. High near 80°F. Wind 16 to 20 mph, with gusts as high as 26 mph.
Thursday Night
Thunderstorms Likely. Low around 59°F. Wind around 16 mph, with gusts as high as 24 mph.
Friday
Chance of Thunderstorms. High near 68°F. Wind 14 to 16 mph, with gusts as high as 23 mph.
Friday Night
Chance of Rain. Low around 41°F. Wind around 12 mph, with gusts as high as 18 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 19, 2026

Observation History for PECATONICA, 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)
09:55 PM CDT W 10.3 10.00 Clear -- 39.0 21.7 50% 32.4 NA 30.04 1017.3
09:35 PM CDT W 10.3 10.00 Clear -- 39.4 22.1 50% 32.7 NA 30.04 1017.3
09:15 PM CDT W 10.3 10.00 Clear -- 40.3 21.2 46% 33.8 NA 30.04 1017.3
08:55 PM CDT W 11.4 10.00 Clear -- 41.0 20.7 44% 34.3 NA 30.03 1016.9
08:35 PM CDT W 15.0 G 19.7 10.00 Clear -- 41.4 20.5 43% 33.6 NA 30.02 1016.6
08:15 PM CDT W 15.0 10.00 Clear -- 41.9 20.3 42% 34.3 NA 30.01 1016.3
07:55 PM CDT W 13.9 G 19.7 10.00 Clear -- 42.1 21.2 43% 34.9 NA 30.01 1016.3
07:35 PM CDT W 16.1 G 25.3 10.00 Clear -- 42.8 20.8 41% 35.1 NA 30.00 1015.9
07:15 PM CDT W 20.8 G 25.3 10.00 Clear and Windy -- 42.8 20.3 40% 34.0 NA 29.99 1015.6
06:55 PM CDT 20.8 G 31.1 10.00 Clear and Windy -- 43.2 20.7 40% 34.5 NA 29.99 1015.6
06:35 PM CDT W 23.0 G 34.4 10.00 Partly Cloudy and Windy -- 43.7 20.7 40% 34.7 NA 29.99 1015.6
06:15 PM CDT G 35.8 10.00 Mostly Cloudy -- 43.9 20.1 38% NA NA 29.98 1015.2
05:55 PM CDT 18.3 G 30.0 10.00 Mostly Cloudy -- 43.3 21.9 42% 35.2 NA 29.98 1015.2
05:35 PM CDT W 25.3 G 38.0 10.00 Clear and Windy -- 43.2 21.2 41% 33.6 NA 29.97 1014.9
05:15 PM CDT G 34.4 10.00 Partly Cloudy -- 43.0 21.4 42% NA NA 29.96 1014.6
04:55 PM CDT W 21.9 G 31.1 10.00 Mostly Cloudy and Windy -- 43.5 23.4 45% 34.7 NA 29.96 1014.6
04:35 PM CDT 24.2 G 34.4 10.00 Partly Cloudy and Windy -- 43.0 22.6 44% 33.4 NA 29.96 1014.6
04:15 PM CDT W 24.2 10.00 Windy -- 43.0 23.4 46% 33.4 NA 29.95 1014.2
03:55 PM CDT W 24.2 G 38.0 10.00 Mostly Cloudy and Windy -- 43.5 24.3 46% 34.2 NA 29.95 1014.2
03:35 PM CDT W 24.2 G 34.4 10.00 Mostly Cloudy and Windy -- 44.1 24.4 46% 34.9 NA 29.95 1014.2
03:15 PM CDT W 25.3 G 40.3 10.00 Partly Cloudy and Windy -- 42.8 24.3 48% 33.1 NA 29.94 1013.9
02:55 PM CDT W 26.4 G 33.3 10.00 Mostly Cloudy and Breezy -- 43.5 25.5 49% 33.8 NA 29.94 1013.6
02:35 PM CDT W 23.0 G 34.4 10.00 Mostly Cloudy and Windy -- 43.0 24.4 48% 33.8 NA 29.94 1013.6
02:15 PM CDT G 35.8 10.00 Mostly Cloudy -- 42.8 24.8 49% NA NA 29.94 1013.6

Regional Weather Observation

MONROE (KEFT)

Clear
39.0 F

FREEPORT (KFEP)

Clear
40.1 F

JANESVILLE/ROCK (KJVL)

Clear
39.2 F

ROCKFORD (KRFD)

Clear
39.2 F

SAVANNA/TRITOWN (KSFY)

Clear
43.9 F

(KMRJ)


F
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