Mazon, IL Weather Forecast & Current Conditions

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Mazon Weather Map
UTC Time: 9/16/2026, 12:46
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Mazon, IL Regional Weather

Expires:202609161300;;545084
ASUS43 KLOT 161210
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT WED SEP 16 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>023-161300-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    65  59  81 NE8       30.27R TC  18           
6HR MIN TEMP:  65; 6HR MAX TEMP:  72; 6HR PCP: TRACE;                

CHICAGO-MIDWAY CLOUDY    69  64  84 NE10      30.26S TC  21           
6HR MIN TEMP:  68; 6HR MAX TEMP:  73; 6HR PCP: TRACE;                

AURORA         CLOUDY    63  59  87 NE6       30.26F TC  17           
6HR MIN TEMP:  63; 6HR MAX TEMP:  70; 6HR PCP:  0.02;                

JOLIET*        LGT RAIN  67  66  99 NE5       30.26R TC  19           
WAUKEGAN       CLOUDY    64  60  87 NE7       30.28R TC  18           
6HR MIN TEMP:  62; 6HR MAX TEMP:  67;                                

DUPAGE AIRPORT CLOUDY    63  60  90 N5        30.27S TC  17           
6HR MIN TEMP:  63; 6HR MAX TEMP:  70; 6HR PCP: TRACE;                

KANKAKEE*      LGT RAIN  69  67  95 E3        30.27S TC  21           
WHEELING       CLOUDY    64  58  80 NE8       30.29R TC  18           
6HR MIN TEMP:  64; 6HR MAX TEMP:  70;                                

LANSING*       LGT RAIN  68  64  88 NE5       30.27R TC  20           
NORTHERLY ISL*   N/A     66  62  87 N6          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

Mazon, IL

Today
Thunderstorms
78°/ 68° 26°/ 20°
80%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Friday
Rain Showers
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
50%
Monday
Rain Showers
78°/ 60° 26°/ 16°
40%
Tuesday
Rain Showers
75°24°
30%

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

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Channahon, IL

Today
Thunderstorms
78°/ 68° 26°/ 20°
80%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
70%
Friday
Mostly Cloudy
80°/ 65° 27°/ 18°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
50%
Monday
Rain Showers
75°/ 60° 24°/ 16°
40%
Tuesday
Rain Showers
75°24°
30%

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

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Pontiac, IL

Today
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Friday
Rain Showers
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
88°/ 65° 31°/ 18°
70%
Sunday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Monday
Rain Showers
78°/ 58° 26°/ 14°
40%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy. Showers likely and a slight chance of thunderstorms early in the morning, then a chance of showers in the late morning and afternoon. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Northeast winds around 5 mph. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Ottawa, IL

Today
Thunderstorms
75°/ 68° 24°/ 20°
80%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
70%
Friday
Rain Showers
80°/ 68° 27°/ 20°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
60%
Monday
Rain Showers
75°/ 58° 24°/ 14°
40%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy. Showers likely early in the morning, then a chance of showers in the late morning and afternoon. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid with lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Kankakee, IL

Today
Thunderstorms
78°/ 65° 26°/ 18°
80%
Thursday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Friday
Cloudy
80°/ 65° 27°/ 18°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
80%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
50%
Monday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy. Showers early in the morning, then a chance of showers in the late morning and afternoon. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Northeast winds around 5 mph. Chance of precipitation 80 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Oswego, IL

Today
Rain Showers
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Rain Showers
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
40%
Tuesday
Rain Showers
75°24°
40%

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

Night: Mostly cloudy. A slight chance of showers early in the evening, then a chance of showers with a slight chance of thunderstorms late in the evening. Showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Paxton, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
70%
Thursday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
40%
Saturday
Thunderstorms
88°/ 65° 31°/ 18°
70%
Sunday
Rain Showers
80°/ 62° 27°/ 17°
50%
Monday
Rain Showers
78°/ 58° 26°/ 14°
40%
Tuesday
Rain Showers
75°24°
30%

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

Night: Mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. A chance of thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph, becoming southeast after midnight. Chance of precipitation 50 percent.

Joliet, IL

Today
Thunderstorms
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Rain Showers
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
60%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Rain Showers
75°24°
40%

Day: Mostly cloudy. Showers likely early in the morning, then a chance of showers in the late morning and afternoon. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

DeKalb, IL

Today
Rain Showers
72°/ 65° 22°/ 18°
70%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
50%
Friday
Rain Showers
78°/ 62° 26°/ 17°
70%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
40%
Tuesday
Rain Showers
75°24°
40%

Day: Mostly cloudy. A slight chance of showers early in the morning, then a chance of showers in the late morning and afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Mostly cloudy. A slight chance of showers early in the evening, then a chance of showers with a slight chance of thunderstorms late in the evening. Showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. East winds around 5 mph. Chance of precipitation 70 percent.

Watseka, IL

Today
Thunderstorms
82°/ 68° 28°/ 20°
80%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Friday
Cloudy
82°/ 65° 28°/ 18°
40%
Saturday
Thunderstorms
88°/ 65° 31°/ 18°
70%
Sunday
Thunderstorms
80°/ 62° 27°/ 17°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
40%
Tuesday
Rain Showers
78°26°
30%

Day: Mostly cloudy. Showers and a slight chance of thunderstorms early in the morning, then a chance of showers in the late morning and afternoon. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. East winds around 5 mph. Chance of precipitation 80 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Crete, IL

Today
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Friday
Mostly Cloudy
78°/ 62° 26°/ 17°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
80%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
50%
Monday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Tuesday
Rain Showers
75°24°
30%

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

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Aurora, IL

Today
Rain Showers
72°/ 65° 22°/ 18°
50%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
40%
Friday
Rain Showers
78°/ 62° 26°/ 17°
70%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
80%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
40%
Tuesday
Rain Showers
72°22°
40%

Day: Mostly cloudy. A slight chance of showers early in the morning, then a chance of showers in the late morning and afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Mostly cloudy. A slight chance of showers early in the evening, then a chance of showers with a slight chance of thunderstorms in the late evening and overnight. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 50 percent.

Lacon, IL

Today
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Friday
Rain Showers
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Sunny
75°24°
0%

Day: A slight chance of thunderstorms. Showers likely, mainly this morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 60 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. East winds around 5 mph. Chance of rain 70 percent.

Bloomington, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
60%
Thursday
Thunderstorms
85°/ 65° 29°/ 18°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
40%
Saturday
Rain Showers
88°/ 68° 31°/ 20°
70%
Sunday
Rain Showers
80°/ 62° 27°/ 17°
50%
Monday
Rain Showers
78°/ 60° 26°/ 16°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly this morning. Not as warm with highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 60 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the upper 60s. Northeast winds around 5 mph, becoming southeast after midnight. Chance of rain 50 percent.

Calumet City, IL

Today
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Mostly Cloudy
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
80%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
60%
Monday
Rain Showers
75°/ 60° 24°/ 16°
50%
Tuesday
Rain Showers
75°24°
40%

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

Night: Mostly cloudy. A slight chance of showers early in the evening, then a chance of showers with a slight chance of thunderstorms in the late evening and early morning. Showers likely with a chance of thunderstorms late. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Eureka, IL

Today
Thunderstorms
82°/ 68° 28°/ 20°
60%
Thursday
Thunderstorms
85°/ 65° 29°/ 18°
50%
Friday
Rain Showers
82°/ 68° 28°/ 20°
40%
Saturday
Rain Showers
88°/ 65° 31°/ 18°
70%
Sun-Sun Night
Thunderstorms
78°26°
50%
Monday
Rain Showers
75°/ 60° 24°/ 16°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly this morning. Highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of rain 60 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Naperville, IL

Today
Rain Showers
72°/ 65° 22°/ 18°
50%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
50%
Friday
Rain Showers
75°/ 65° 24°/ 18°
70%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
80%
Sunday
Rain Showers
72°/ 62° 22°/ 17°
60%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
72°22°
40%

Day: Mostly cloudy. A chance of showers early in the morning, then a slight chance of showers late in the morning. A chance of showers in the afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Mostly cloudy. A slight chance of showers early in the evening, then a chance of showers with a slight chance of thunderstorms in the late evening and overnight. Lows in the mid 60s. East winds around 5 mph. Chance of precipitation 50 percent.

Hennepin, IL

Today
Thunderstorms
75°/ 68° 24°/ 20°
50%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Friday
Rain Showers
82°/ 68° 28°/ 20°
50%
Sat-Sat Night
Thunderstorms
85°29°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
60%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Rain Showers
75°24°
40%

Day: A slight chance of thunderstorms this morning. Cloudy with a chance of showers. Not as warm with highs in the mid 70s. Northeast winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 50 percent.

Princeton, IL

Today
Thunderstorms
75°/ 65° 24°/ 18°
50%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Friday
Rain Showers
80°/ 68° 27°/ 20°
60%
Sat-Sat Night
Thunderstorms
85°29°
70%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Rain Showers
75°24°
40%

Day: A slight chance of thunderstorms this morning. Cloudy with a chance of showers. Not as warm with highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 50 percent.

Dixon, IL

Today
Rain Showers
72°/ 65° 22°/ 18°
80%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
40%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy. A slight chance of showers early in the morning, then a chance of showers in the late morning and afternoon. Highs in the lower 70s. East winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: Mostly cloudy. A slight chance of showers early in the evening, then a chance of showers with a slight chance of thunderstorms late in the evening. Showers with a chance of thunderstorms after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of precipitation 80 percent.

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