Third Lake, IL Weather Forecast & Current Conditions

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Third Lake Weather Map
UTC Time: 9/15/2026, 04:40
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Third Lake, IL Regional Weather

Expires:202609150500;;470760
ASUS43 KLOT 150410
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT MON SEP 14 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>023-150500-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  MOCLDY    68  48  48 S12G22    30.04F TC  20           
CHICAGO-MIDWAY PTCLDY    68  49  50 S9        30.05F TC  20           
AURORA         PTCLDY    65  50  58 SE10      30.04S TC  18           
JOLIET*        CLOUDY    68  51  54 S5        30.06S TC  20           
WAUKEGAN       MOCLDY    67  54  63 S15G28    30.02F TC  19           
DUPAGE AIRPORT CLOUDY    67  49  52 S13       30.04F TC  19           
KANKAKEE*      CLEAR     62  51  67 SE6       30.09R TC  17           
WHEELING       PTCLDY    67  49  52 S14       30.05S TC  19           
ROMEOVILLE*    CLOUDY    66  50  55 SE12      30.06F TC  19           
LANSING*       CLEAR     65  49  55 SE5       30.08S TC  19           
NORTHERLY ISL*   N/A     68  50  52 SE9         N/A  TC  20           
$$


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

Third Lake, IL

Tonight
Thunderstorms
65°18°
70%
Tuesday
Thunderstorms
78°/ 62° 26°/ 17°
80%
Wednesday
Thunderstorms
70°/ 65° 21°/ 18°
60%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
60%
Friday
Rain Showers
75°/ 65° 24°/ 18°
40%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely and a chance of thunderstorms after midnight. Warmer. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Kenosha, WI

Tonight
Thunderstorms
65°18°
80%
Tuesday
Thunderstorms
78°/ 58° 26°/ 14°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Warmer. Mostly cloudy. Scattered showers and isolated thunderstorms after midnight. Showers and scattered thunderstorms early in the morning. Near steady temperature in the mid 60s. South winds 10 to 15 mph. Chance of precipitation 80 percent.

Crystal Lake, IL

Tonight
Thunderstorms
65°18°
80%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
80%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
60%
Friday
Rain Showers
78°/ 65° 26°/ 18°
40%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Not as cool. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 80 percent.

Evanston, IL

Tonight
Thunderstorms
68°20°
70%
Tuesday
Thunderstorms
78°/ 65° 26°/ 18°
80%
Wednesday
Thunderstorms
72°/ 68° 22°/ 20°
60%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Rain Showers
78°/ 68° 26°/ 20°
40%
Saturday
Rain Showers
82°/ 65° 28°/ 18°
50%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
40%

Night: Mostly cloudy. A chance of showers after midnight. A chance of thunderstorms after midnight. Showers likely late. Near steady temperature in the upper 60s. Southeast winds 10 to 15 mph, increasing to south 15 to 20 mph after midnight. Chance of precipitation 70 percent.

Whitewater, WI

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Warmer. Mostly cloudy. Isolated showers late in the evening. Showers and scattered thunderstorms after midnight. Near steady temperature in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent.

Aurora, IL

Tonight
Thunderstorms
62°17°
70%
Tuesday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Friday
Rain Showers
80°/ 68° 27°/ 20°
40%
Saturday
Rain Showers
82°/ 65° 28°/ 18°
50%
Sunday
Rain Showers
78°/ 60° 26°/ 16°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Showers likely and a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Racine, WI

Tonight
Thunderstorms
65°18°
80%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
80%
Wednesday
Mostly Cloudy
70°/ 62° 21°/ 17°
60%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
60%
Friday
Rain Showers
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Warmer. Mostly cloudy. Scattered showers in the late evening and early morning. Scattered thunderstorms after midnight. Showers early in the morning. Near steady temperature in the mid 60s. South winds 10 to 20 mph. Chance of precipitation 80 percent.

Naperville, IL

Tonight
Thunderstorms
68°20°
70%
Tuesday
Thunderstorms
80°/ 65° 27°/ 18°
80%
Wednesday
Thunderstorms
72°/ 68° 22°/ 20°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Friday
Rain Showers
80°/ 68° 27°/ 20°
30%
Saturday
Rain Showers
82°/ 65° 28°/ 18°
50%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
40%

Night: Mostly cloudy. A chance of showers after midnight. A chance of thunderstorms after midnight. Showers likely late. Warmer. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 70 percent.

Chicago, IL

Tonight
Thunderstorms
68°20°
50%
Tuesday
Thunderstorms
82°/ 68° 28°/ 20°
80%
Wednesday
Thunderstorms
72°/ 68° 22°/ 20°
60%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
60%
Friday
Rain Showers
78°/ 68° 26°/ 20°
30%
Saturday
Rain Showers
82°/ 68° 28°/ 20°
50%
Sunday
Rain Showers
78°/ 65° 26°/ 18°
40%

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Near steady temperature in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50 percent.

Milwaukee, WI

Tonight
Thunderstorms
65°18°
80%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
80%
Wednesday
Mostly Cloudy
68°/ 62° 20°/ 17°
60%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
60%
Friday
Rain Showers
72°/ 65° 22°/ 18°
50%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
40%

Night: Warmer, cloudy. Isolated showers through around midnight, then showers and scattered thunderstorms after midnight. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 80 percent.

Waukesha, WI

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Wednesday
Partly Cloudy
70°/ 62° 21°/ 17°
60%
Thursday
Rain Showers
75°/ 60° 24°/ 16°
60%
Friday
Rain Showers
75°/ 65° 24°/ 18°
60%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
40%

Night: Warmer, cloudy. Scattered showers through around midnight. Scattered thunderstorms in the late evening and overnight. Showers after midnight. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 90 percent.

Belvidere, IL

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
60%
Friday
Rain Showers
78°/ 65° 26°/ 18°
40%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Not as cool. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

DeKalb, IL

Tonight
Thunderstorms
65°18°
80%
Tuesday
Thunderstorms
78°/ 60° 26°/ 16°
90%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Friday
Rain Showers
82°/ 68° 28°/ 20°
40%
Saturday
Rain Showers
82°/ 65° 28°/ 18°
50%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Showers and a chance of thunderstorms after midnight. Not as cool. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 80 percent.

Janesville, WI

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Warmer. Mostly cloudy. Isolated showers and thunderstorms late in the evening. Showers and scattered thunderstorms after midnight. Near steady temperature in the mid 60s. South winds 15 to 20 mph. Chance of precipitation 90 percent.

Watertown, WI

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Wednesday
Partly Cloudy
72°/ 60° 22°/ 16°
60%
Thursday
Rain Showers
78°/ 60° 26°/ 16°
60%
Friday
Rain Showers
75°/ 65° 24°/ 18°
60%
Saturday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Night: Warmer, cloudy. Scattered showers and isolated thunderstorms through around midnight, then showers and scattered thunderstorms after midnight. Near steady temperature in the lower 60s. South winds 10 to 20 mph. Chance of precipitation 90 percent.

Joliet, IL

Tonight
Thunderstorms
65°18°
50%
Tuesday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
60%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
60%
Friday
Rain Showers
82°/ 68° 28°/ 20°
30%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
50%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
40%

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms after midnight. A chance of showers and thunderstorms late. Near steady temperature in the mid 60s. South winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of precipitation 50 percent.

Calumet City, IL

Tonight
Thunderstorms
68°20°
40%
Tuesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Wednesday
Thunderstorms
75°/ 70° 24°/ 21°
60%
Thursday
Thunderstorms
78°/ 68° 26°/ 20°
60%
Friday
Rain Showers
82°/ 68° 28°/ 20°
30%
Saturday
Rain Showers
85°/ 68° 29°/ 20°
50%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
40%

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms after midnight. A chance of showers and thunderstorms late. Near steady temperature in the upper 60s. South winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of precipitation 40 percent.

Oswego, IL

Tonight
Thunderstorms
65°18°
50%
Tuesday
Thunderstorms
82°/ 65° 28°/ 18°
80%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
60%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Rain Showers
82°/ 68° 28°/ 20°
30%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
50%
Sunday
Rain Showers
80°/ 62° 27°/ 17°
40%

Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of precipitation 50 percent.

Rockford, IL

Tonight
Thunderstorms
65°18°
90%
Tuesday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Wednesday
Thunderstorms
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
78°/ 65° 26°/ 18°
50%
Saturday
Rain Showers
82°/ 62° 28°/ 17°
60%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Not as cool. Near steady temperature in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

Gary, IN

Tonight
Thunderstorms
65°18°
20%
Tuesday
Thunderstorms
85°/ 68° 29°/ 20°
60%
Wednesday
Thunderstorms
75°/ 70° 24°/ 21°
60%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
60%
Friday
Rain Showers
82°/ 68° 28°/ 20°
30%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
50%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
40%

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms late. Near steady temperature in the mid 60s. South winds 10 to 15 mph. Chance of precipitation 20 percent.

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