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Day 1 Outlook • April 20, 2026
Day 2 Outlook • April 21, 2026
Day 3 Outlook • April 22, 2026
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National Weather Radar

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dBZ 5
75

Hazardous Weather Conditions

Current Conditions: MENDOTA, ILLINOIS

ROCHELLE/KORITZ (KRPJ)

Clear

30.7 F
Humidity:83%
Wind Speed: 0.0 mph
Barometer:30.29 in
Dewpoint:26.1 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 20 2026, 02:55 AM CDT
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5 Day Forecast for MENDOTA, ILLINOIS (61342)

Monday

High 59 °F
Partly Sunny
Monday
Night
Low 44 °F
Partly Cloudy
Tuesday

High 75 °F
Partly Sunny
Tuesday
Night
Low 53 °F
Isolated T-storm
Wednesday

High 75 °F
Mostly Sunny
Wednesday
Night
Low 57 °F
Partly Cloudy
Thursday

High 80 °F
Mostly Cloudy
Thursday
Night
Low 59 °F
T-storms
Friday

High 71 °F
Chance of Rain Showers

Detailed Forecast for MENDOTA, ILLINOIS (61342)

Monday
Partly Sunny. High near 59°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Monday Night
Partly Cloudy. Low around 44°F. Wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday
Partly Sunny. High near 75°F. Wind 9 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Isolated T-storm. Low around 53°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Wednesday
Mostly Sunny. High near 75°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Wednesday Night
Partly Cloudy. Low around 57°F. Wind around 8 mph, with gusts as high as 15 mph.
Thursday
Mostly Cloudy. High near 80°F. Wind 20 to 22 mph, with gusts as high as 30 mph.
Thursday Night
Thunderstorms. Low around 59°F. Wind around 18 mph, with gusts as high as 28 mph.
Friday
Chance of Rain Showers. High near 71°F. Wind 13 to 17 mph, with gusts as high as 24 mph.
Friday Night
Chance of Rain. Low around 46°F. Wind around 9 mph, with gusts as high as 15 mph.
Saturday
Partly Sunny. High near 66°F. Wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Slight Chance of Rain. Low around 44°F. Wind around 8 mph, with gusts as high as 14 mph.
Sunday
Slight Chance of Showers. High near 64°F. Wind 10 to 12 mph, with gusts as high as 18 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 20, 2026

Observation History for MENDOTA, 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)
02:55 AM CDT 0.0 10.00 Clear -- 30.7 26.1 83% NA NA 30.29 1025.7
02:35 AM CDT 0.0 10.00 Clear -- 32.5 24.1 71% NA NA 30.29 1025.7
02:15 AM CDT 0.0 10.00 Clear -- 33.8 23.5 66% NA NA 30.29 1025.7
01:55 AM CDT 0.0 10.00 Clear -- 34.7 24.6 66% NA NA 30.29 1025.7
01:35 AM CDT 3.4 10.00 Clear -- 34.7 24.6 66% 32.0 NA 30.29 1025.7
01:15 AM CDT 0.0 10.00 Clear -- 35.6 25.2 65% NA NA 30.28 1025.4
12:55 AM CDT 3.4 10.00 Clear -- 35.4 24.8 65% 32.7 NA 30.28 1025.4
12:35 AM CDT 0.0 10.00 Clear -- 35.2 25.3 67% NA NA 30.28 1025.4
12:15 AM CDT 3.4 10.00 Clear -- 35.8 25.0 65% 33.1 NA 30.27 1025.1
11:55 PM CDT 3.4 10.00 Clear -- 35.6 25.2 65% 32.9 NA 30.27 1025.1
11:35 PM CDT 4.7 10.00 Clear -- 36.9 24.4 60% 33.1 NA 30.26 1024.7
11:15 PM CDT NW 3.4 10.00 Clear -- 36.7 25.7 64% 34.2 NA 30.26 1024.7
10:55 PM CDT 0.0 10.00 Clear -- 37.2 26.2 64% NA NA 30.26 1024.7
10:35 PM CDT 0.0 10.00 NULL -- 37.9 25.3 60% NA NA 30.26 1024.7
10:15 PM CDT 4.7 10.00 Clear -- 38.1 25.9 61% 34.5 NA 30.26 1024.7
09:55 PM CDT 4.7 10.00 Clear -- 38.3 24.8 58% 34.7 NA 30.25 1024.4
09:35 PM CDT 4.7 10.00 Clear -- 39.6 25.5 57% 36.1 NA 30.25 1024.4
09:15 PM CDT 0.0 10.00 Clear -- 38.7 26.1 60% NA NA 30.25 1024.1
08:55 PM CDT NW 3.4 10.00 Clear -- 42.3 22.6 45% 40.5 NA 30.23 1023.7
08:35 PM CDT 6.9 10.00 Clear -- 43.0 21.9 43% 38.8 NA 30.22 1023.4
08:15 PM CDT NW 8.1 10.00 Clear -- 43.7 21.6 41% 39.0 NA 30.21 1023.0
07:55 PM CDT 9.2 10.00 Partly Cloudy -- 44.6 21.0 39% 39.7 NA 30.20 1022.7
07:35 PM CDT 11.4 10.00 Partly Cloudy -- 45.5 20.5 37% 39.9 NA 30.20 1022.7
07:15 PM CDT NW 10.3 10.00 Partly Cloudy -- 46.4 20.1 35% 41.5 NA 30.19 1022.4

Regional Weather Observation

ROCHELLE/KORITZ (KRPJ)

Clear
30.7 F

STERLING ROCKFAL (KSQI)

Clear
33.8 F

PERU (KVYS)

Clear
36.9 F

LACON (KC75)

Clear
32.9 F

ROCKFORD (KRFD)

Clear
28.4 F

CHICAGO/AURORA (KARR)

Clear
30.2 F
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