Gurnee, IL Weather Forecast & Current Conditions

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Gurnee Weather Map
UTC Time: 9/19/2026, 18:35
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Gurnee, IL Regional Weather

Expires:202609191900;;720115
ASUS43 KLOT 191810
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT SAT SEP 19 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>023-191900-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    67  64  90 S5        29.98R TC  19           
6HR MIN TEMP:  63; 6HR MAX TEMP:  68; 6HR PCP:  0.13;                

CHICAGO-MIDWAY CLOUDY    67  65  93 W5        29.98R TC  19           
6HR MIN TEMP:  63; 6HR MAX TEMP:  67; 6HR PCP:  0.19;                

AURORA         LGT RAIN  67  65  93 S5        29.97F FOG     TC  19   
6HR MIN TEMP:  63; 6HR MAX TEMP:  67; 6HR PCP:  0.33;                

JOLIET*        CLOUDY    70  70  99 CALM      29.97F TC  21           
WAUKEGAN       CLOUDY    66  64  93 SE8       29.97R TC  19           
6HR MIN TEMP:  61; 6HR MAX TEMP:  66; 6HR PCP:  0.25;                

DUPAGE AIRPORT CLOUDY    68  65  90 VRB3      29.98R TC  20           
6HR MIN TEMP:  63; 6HR MAX TEMP:  68;                                

KANKAKEE*      PTSUNNY   70  68  95 S8        29.97F TC  21           
WHEELING       CLOUDY    68  65  90 SW6       29.99R TC  20           
6HR MIN TEMP:  63; 6HR MAX TEMP:  68; 6HR PCP:  0.21;                

LANSING*       CLOUDY    67  64  91 S6        29.99R TC  19           
NORTHERLY ISL*   N/A     67  63  87 W2          N/A  TC  19           
$$


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

Gurnee, IL

Afternoon
Thunderstorms
68°/ 62° 20°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
20%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon, then showers likely and a chance of thunderstorms late. Near steady temperature in the upper 60s. East winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Showers with thunderstorms likely until early morning, then a chance of showers and thunderstorms late. Lows in the lower 60s. East winds around 5 mph, increasing to northeast 10 to 15 mph after midnight. Chance of precipitation near 100 percent.

Kenosha, WI

Today
Thunderstorms
72°/ 62° 22°/ 17°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
20%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°20°
0%

Day: Chance of showers and slight chance of thunderstorms late in the morning, then showers and chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Showers and chance of thunderstorms. Lows in the lower 60s. Southeast winds up to 10 mph shifting to the northeast after midnight. Chance of precipitation 90 percent.

Crystal Lake, IL

Afternoon
Thunderstorms
70°/ 62° 21°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
30%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
70°21°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon, then showers likely and a chance of thunderstorms in the afternoon. Highs around 70. Southeast winds around 5 mph. Chance of precipitation 70 percent.

Night: Showers with thunderstorms likely until early morning, then a chance of showers and thunderstorms late. Lows in the lower 60s. East winds around 5 mph, becoming northeast after midnight. Chance of precipitation near 100 percent.

Evanston, IL

Afternoon
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
60%
Monday
Rain Showers
65°/ 52° 18°/ 11°
30%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Friday
Mostly Cloudy
70°21°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon, then showers likely and a chance of thunderstorms late. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the lower 60s. East winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Whitewater, WI

Today
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tuesday
Partly Cloudy
60°/ 48° 16°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
68°20°
0%

Day: Showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Showers and chance of thunderstorms until early morning, then showers early in the morning. Lows around 60. East winds up to 5 mph shifting to the northeast after midnight. Chance of precipitation 90 percent.

Racine, WI

Today
Thunderstorms
70°/ 62° 21°/ 17°
90%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
20%
Tuesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°20°
0%

Day: Chance of light showers and slight chance of thunderstorms late in the morning, then showers and chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs around 70. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Showers and chance of thunderstorms until early morning, then showers early in the morning. Lows in the lower 60s. East winds up to 10 mph shifting to the northeast after midnight. Chance of precipitation 90 percent.

Aurora, IL

Afternoon
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
60%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 80 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the lower 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Chicago, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
70°/ 58° 21°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
30%
Tuesday
Rain Showers
62°/ 55° 17°/ 13°
20%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Friday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of thunderstorms early in the afternoon. A chance of showers. A chance of thunderstorms late. Highs in the mid 70s inland, but only around 70 near the lake. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Naperville, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
65°/ 52° 18°/ 11°
30%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Friday
Mostly Cloudy
70°21°
0%

Day: Showers likely and a slight chance of thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 70 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Milwaukee, WI

Today
Thunderstorms
68°/ 60° 20°/ 16°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Cloudy
62°/ 52° 17°/ 11°
0%
Tuesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°20°
0%

Day: Chance of light showers and slight chance of thunderstorms late in the morning, then showers and chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 60s. Southeast winds 5 to 15 mph. Chance of precipitation 80 percent.

Night: Showers and chance of thunderstorms until early morning, then light showers likely early in the morning. Lows around 60. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Waukesha, WI

Today
Thunderstorms
68°/ 58° 20°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
60°/ 48° 16°/
0%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
68°20°
0%

Day: Chance of light showers and thunderstorms late in the morning, then showers and chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 60s. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Rain showers and chance of thunderstorms until early morning, then light rain showers likely early in the morning. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Belvidere, IL

Afternoon
Thunderstorms
72°/ 62° 22°/ 17°
90%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Mostly Cloudy
70°21°
0%

Day: A slight chance of thunderstorms early in the afternoon. Showers. A chance of thunderstorms late. Highs in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 90 percent.

Night: Showers with thunderstorms likely until early morning, then a chance of showers and thunderstorms late. Lows in the lower 60s. East winds around 5 mph, becoming northeast after midnight. Chance of precipitation 90 percent.

DeKalb, IL

Afternoon
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms early in the afternoon, then a chance of showers and thunderstorms late. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the lower 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Joliet, IL

Afternoon
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of thunderstorms early in the afternoon. A chance of showers. A chance of thunderstorms late. Highs in the upper 70s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Watertown, WI

Today
Thunderstorms
70°/ 58° 21°/ 14°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 48° 20°/
0%
Friday
Partly Cloudy
72°22°
0%

Day: Showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs around 70. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Showers and chance of thunderstorms until early morning, then showers likely early in the morning. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Calumet City, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of precipitation near 100 percent.

Janesville, WI

Today
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
30%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
65°/ 48° 18°/
0%
Friday
Partly Cloudy
68°20°
0%

Day: Showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Showers and chance of thunderstorms until early morning, then showers early in the morning. Lows around 60. East winds around 5 mph shifting to the northeast 5 to 15 mph after midnight. Chance of precipitation 90 percent.

Oswego, IL

Afternoon
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°22°
0%

Day: Showers likely and a slight chance of thunderstorms early in the afternoon, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southeast winds around 5 mph. Chance of precipitation 70 percent.

Night: Thunderstorms likely until early morning. Showers. A chance of thunderstorms late. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Gary, IN

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
70°21°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the mid 70s inland, but only in the lower 70s near the lake. Southeast winds around 5 mph. Chance of precipitation 40 percent.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming northwest after midnight. Chance of precipitation near 100 percent.

Rockford, IL

Afternoon
Thunderstorms
72°/ 60° 22°/ 16°
90%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Cloudy
65°/ 48° 18°/
0%
Thursday
Mostly Cloudy
65°/ 48° 18°/
0%
Friday
Mostly Cloudy
70°21°
0%

Day: A slight chance of thunderstorms early in the afternoon. Showers. A chance of thunderstorms late. Highs in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 90 percent.

Night: Showers with thunderstorms likely until early morning, then a chance of showers and thunderstorms late. Lows around 60. East winds around 5 mph, increasing to northeast 10 to 15 mph after midnight. Chance of precipitation 90 percent.

Names listed above may include county names.

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