Split Rock Lake, IL Weather Forecast & Current Conditions

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Split Rock Lake, IL Weather Maps

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Split Rock Lake Weather Map
UTC Time: 10/20/2026, 19:07
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Split Rock Lake, IL Regional Weather

Expires:202610202000;;900220
ASUS43 KLOT 201906
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT TUE OCT 20 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>023-202000-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  FAIR      68  40  35 CALM      30.35F TC  20           
CHICAGO-MIDWAY FAIR      67  40  37 CALM      30.36F TC  19           
AURORA         FAIR      68  40  35 E5        30.35F TC  20           
JOLIET*        FAIR      70  41  34 S3        30.36F TC  21           
WAUKEGAN       FAIR      63  49  60 E6        30.36F TC  17           
DUPAGE AIRPORT FAIR      68  39  34 VRB3      30.36F TC  20           
KANKAKEE*      FAIR      70  34  26 CALM      30.36F TC  21           
WHEELING       FAIR      67  50  54 VRB6      30.37F TC  19           
ROMEOVILLE*    SUNNY     68  43  40 VRB6      30.36  TC  20           
LANSING*       FAIR      68  39  35 S5        30.37F TC  20           
NORTHERLY ISL*   N/A     61  48  62 NE6         N/A  TC  16           
$$


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

Split Rock Lake, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
72°/ 48° 22°/ 9°
0%
Monday
Mostly Cloudy
68°20°
0%

Day: Sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Princeton, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night
Mostly Cloudy
52°11°
0%
Sunday
Sunny
72°/ 48° 22°/ 9°
0%
Monday
Sunny
68°20°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

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

Hennepin, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night
Mostly Cloudy
52°11°
0%
Sun Night
Mostly Cloudy
52°11°
0%
Monday
Sunny
68°20°
0%

Day: Sunny. Highs in the lower 70s. Light and variable winds, becoming southeast around 5 mph this afternoon.

Night: Clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Lacon, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night-Sun
Mostly Cloudy
52°11°
0%
Sun Night-Mon
Cloudy
48°9°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Clear. Lows in the lower 40s. Light and variable winds.

Pontiac, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
72°/ 50° 22°/ 10°
0%
Sunday
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Monday
Mostly Cloudy
70°21°
0%

Day: Sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Dixon, IL

Today
Sunny
70°/ 42° 21°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
70°/ 48° 21°/ 9°
0%
Saturday
Cloudy
70°/ 52° 21°/ 11°
0%
Sunday
Mostly Cloudy
72°/ 48° 22°/ 9°
0%
Monday
Mostly Cloudy
65°18°
0%

Day: Sunny. Highs around 70. Southeast winds around 5 mph.

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

DeKalb, IL

Today
Sunny
68°/ 42° 20°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Cloudy
68°/ 50° 20°/ 10°
0%
Sunday
Mostly Cloudy
72°/ 48° 22°/ 9°
0%
Monday
Mostly Cloudy
65°18°
0%

Day: Sunny. Patchy fog late in the morning. Highs in the upper 60s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the lower 40s. Southeast winds around 5 mph.

Morris, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
75°/ 50° 24°/ 10°
0%
Monday
Mostly Cloudy
68°20°
0%

Day: Sunny. Highs in the lower 70s. East winds around 5 mph.

Night: Clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Oswego, IL

Today
Sunny
70°/ 42° 21°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
70°/ 45° 21°/ 7°
0%
Saturday
Cloudy
70°/ 50° 21°/ 10°
0%
Sunday
Mostly Cloudy
72°/ 48° 22°/ 9°
0%
Monday
Mostly Cloudy
68°20°
0%

Day: Sunny. Highs around 70. East winds around 5 mph.

Night: Mostly clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Eureka, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night
Cloudy
48°9°
0%
Sat Night
Cloudy
48°9°
0%
Sunday
Partly Cloudy
75°24°
0%
Sun Night-Mon
Cloudy
48°9°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Toulon, IL

Afternoon
Sunny
70°/ 42° 21°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night
Mostly Cloudy
52°11°
0%
Sunday
Sunny
72°/ 48° 22°/ 9°
0%
Monday
Sunny
68°20°
0%

Day: Sunny. Highs around 70. Southeast winds around 5 mph.

Night: Clear. Lows in the lower 40s. Southeast winds around 5 mph in the evening, becoming light and variable.

Peoria, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night
Mostly Cloudy
52°11°
0%
Sunday
Cloudy
72°22°
0%
Monday
Cloudy
72°22°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Clear. Lows in the lower 40s. Light and variable winds.

Sterling, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night
Mostly Cloudy
50°10°
0%
Sun Night
Mostly Cloudy
50°10°
0%
Monday
Partly Cloudy
65°18°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

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

Bloomington, IL

Afternoon
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night
Clear
48°9°
0%
Sat-Sat Night
Cloudy
72°22°
0%
Sunday
Partly Cloudy
75°24°
0%
Sun Night-Mon
Cloudy
48°9°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

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

Rochelle, IL

Today
Sunny
70°/ 40° 21°/ 4°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
70°/ 48° 21°/ 9°
0%
Saturday
Cloudy
70°/ 52° 21°/ 11°
0%
Sunday
Mostly Cloudy
70°/ 48° 21°/ 9°
0%
Monday
Mostly Cloudy
65°18°
0%

Day: Sunny. Highs around 70. Southeast winds around 5 mph.

Night: Clear. Lows around 40. Southeast winds around 5 mph.

Aurora, IL

Today
Sunny
68°/ 42° 20°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Cloudy
68°/ 50° 20°/ 10°
0%
Sunday
Mostly Cloudy
70°/ 48° 21°/ 9°
0%
Monday
Mostly Cloudy
65°18°
0%

Day: Sunny. Patchy dense fog late in the morning. Highs in the upper 60s. Southeast winds around 5 mph.

Night: Mostly clear. Patchy dense fog late. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Channahon, IL

Today
Sunny
72°/ 42° 22°/ 6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
72°/ 50° 22°/ 10°
0%
Sunday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Monday
Mostly Cloudy
68°20°
0%

Day: Sunny. Highs in the lower 70s. Light and variable winds, becoming east around 5 mph in the afternoon.

Night: Clear. Lows in the lower 40s. East winds around 5 mph in the evening, becoming light and variable.

Geneseo, IL

Today
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Fri Night-Sat
Cloudy
50°10°
0%
Sat Night
Mostly Cloudy
52°11°
0%
Sun Night
Mostly Cloudy
52°11°
0%
Monday
Partly Cloudy
68°20°
0%

Day: Sunny. Highs in the lower 70s. Southeast winds around 5 mph.

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

Kankakee, IL

Today
Sunny
72°/ 40° 22°/ 4°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
72°/ 45° 22°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
72°/ 48° 22°/ 9°
0%
Sunday
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Monday
Mostly Cloudy
68°20°
0%

Day: Sunny. Highs in the lower 70s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Clear. Lows around 40. East winds around 5 mph in the evening, becoming light and variable.

Joliet, IL

Today
Sunny
68°/ 42° 20°/ 6°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Monday
Mostly Cloudy
68°20°
0%

Day: Sunny. Highs in the upper 60s. Light and variable winds, becoming east around 5 mph in the afternoon.

Night: Mostly clear. Lows in the lower 40s. East winds around 5 mph.

Names listed above may include county names.

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