Mendota, IL Weather Forecast & Current Conditions

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Mendota Weather Map
UTC Time: 10/4/2026, 22:06
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Mendota, IL Regional Weather

Expires:202610042300;;539598
ASUS43 KLOT 042201
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 PM CDT SUN OCT 04 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.


ILZ005-006-012>014-019>023-042300-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  SUNNY     71  42  35 NW10      30.14S TC  22           
CHICAGO-MIDWAY SUNNY     72  40  31 NW8       30.14R TC  22           
AURORA         SUNNY     71  42  35 NW9       30.16R TC  22           
JOLIET*        SUNNY     73  44  35 NW5       30.16R TC  23           
WAUKEGAN       SUNNY     68  39  34 NW8       30.14R TC  20           
DUPAGE AIRPORT SUNNY     70  42  36 N10       30.16R TC  21           
KANKAKEE*      SUNNY     74  43  32 N13       30.15S TC  23           
WHEELING       MOSUNNY   69  39  33 NW12G20   30.16S TC  21           
LANSING*       SUNNY     70  48  44 NE7       30.15R TC  21           
NORTHERLY ISL*   N/A     71  48  43 N2          N/A  TC  22           
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Mendota, IL

Afternoon
Sunny
75°/ 45° 24°/ 7°
0%
Monday
Sunny
70°/ 48° 21°/ 9°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph.

Princeton, IL

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%
Friday
Cloudy
52°/ 52° 11°/ 11°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Highs in the lower 70s. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds 5 to 10 mph.

Dixon, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
72°/ 50° 22°/ 10°
0%
Friday
Cloudy
72°/ 48° 22°/ 9°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

DeKalb, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
70°/ 48° 21°/ 9°
0%
Friday
Cloudy
70°/ 48° 21°/ 9°
0%
Saturday
Sunny
72°22°
0%

Day: Sunny. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Northwest winds 10 to 15 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

Hennepin, IL

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wed Night-Thu
Clear
50°10°
0%
Thu Night-Fri
Cloudy
52°11°
0%
Fri Night
Clear
52°11°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Near steady temperature in the lower 70s. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph.

Rochelle, IL

Afternoon
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
70°/ 48° 21°/ 9°
0%
Friday
Cloudy
70°/ 48° 21°/ 9°
0%
Saturday
Sunny
72°22°
0%

Day: Sunny. Highs around 70. Temperature falling into the mid 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

Oswego, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
72°/ 50° 22°/ 10°
0%
Friday
Cloudy
72°/ 48° 22°/ 9°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

Sterling, IL

Afternoon
Sunny
70°/ 45° 21°/ 7°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wed Night
Cloudy
50°10°
0%
Thursday
Cloudy
50°10°
0%
Friday
Cloudy
50°/ 52° 10°/ 11°
0%

Day: Sunny. Near steady temperature around 70. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds 5 to 10 mph.

Lacon, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
70°/ 48° 21°/ 9°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Clear
75°24°
0%
Thu Night
Clear
75°24°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
78°/ 58° 26°/ 14°
0%
Sunday
Sunny
78°26°
0%

Night: Clear. Lows in the mid 40s. North winds around 5 mph.

Aurora, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
70°/ 48° 21°/ 9°
0%
Friday
Cloudy
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
72°22°
0%

Day: Sunny. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Northwest winds 10 to 15 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

Toulon, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
70°/ 48° 21°/ 9°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Clear
75°24°
0%
Thursday
Clear
75°/ 52° 24°/ 11°
0%
Fri Night
Clear
52°11°
0%
Saturday
Sunny
75°/ 58° 24°/ 14°
0%
Sunday
Sunny
78°26°
0%

Night: Clear. Lows in the mid 40s. North winds around 5 mph.

Pontiac, IL

Afternoon
Sunny
75°/ 45° 24°/ 7°
0%
Monday
Sunny
72°/ 45° 22°/ 7°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
75°/ 52° 24°/ 11°
0%
Friday
Cloudy
75°/ 50° 24°/ 10°
0%
Saturday
Sunny
78°26°
0%

Day: Sunny. Highs in the mid 70s. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. North winds around 5 mph.

Morris, IL

Afternoon
Sunny
75°/ 45° 24°/ 7°
0%
Monday
Sunny
72°/ 45° 22°/ 7°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Cloudy
75°/ 52° 24°/ 11°
0%
Friday
Cloudy
75°/ 50° 24°/ 10°
0%
Saturday
Sunny
78°26°
0%

Day: Sunny. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph.

Geneseo, IL

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Fri Night
Clear
52°11°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Near steady temperature in the lower 70s. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds 5 to 10 mph.

Rockford, IL

Afternoon
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
68°/ 48° 20°/ 9°
0%
Friday
Cloudy
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
72°22°
0%

Day: Sunny. Highs around 70. Temperature falling into the mid 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

Mount Carroll, IL

Afternoon
Sunny
68°/ 45° 20°/ 7°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%

Day: Sunny. Near steady temperature in the upper 60s. Northwest winds 5 to 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph.

Eureka, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
72°/ 48° 22°/ 9°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Clear
75°24°
0%
Thu Night
Clear
75°24°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
78°/ 58° 26°/ 14°
0%
Sunday
Sunny
78°26°
0%

Night: Clear. Lows in the mid 40s. North winds around 5 mph.

Belvidere, IL

Afternoon
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
72°/ 45° 22°/ 7°
0%
Thursday
Cloudy
68°/ 48° 20°/ 9°
0%
Friday
Cloudy
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
72°22°
0%

Day: Sunny. Highs around 70. Temperature falling into the lower 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the lower 40s. Northwest winds around 5 mph.

Joliet, IL

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Highs in the lower 70s. Temperature falling into the upper 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph.

Channahon, IL

Afternoon
Sunny
75°/ 45° 24°/ 7°
0%
Monday
Sunny
70°/ 45° 21°/ 7°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Northwest winds around 10 mph.

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph.

Names listed above may include county names.

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