Gary, IN Weather Forecast & Current Conditions

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Gary Weather Map
UTC Time: 9/15/2026, 16:37
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Gary, IN Regional Weather

Expires:202609151700;;497737
ASUS43 KIND 151610
RWRIN 

WEATHER ROUNDUP FOR INDIANA
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1200 PM EDT TUE SEP 15 2026

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

* - STATION DOES NOT REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

+ - STATION NOT QUALITY CONTROLLED BY THE NATIONAL WEATHER SERVICE.
    USE DATA WITH CAUTION...ESPECIALLY DEWPOINT AND RELATIVE
    HUMIDITY OBSERVATIONS.


INZ001>003-010>013-019-020-151700-
NORTHWEST INDIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
GARY /AIRPORT/ MOSUNNY   81  66  61 W8        30.09R                  
KNOX *+        PTSUNNY   79  66  65 SW8       30.10F                  
LA PORTE +     PTSUNNY   75  64  69 SW8       30.12R                  
MICHIGAN CITY+ PTSUNNY   72  63  73 SW5       30.12R                  
MONTICELLO +   PTSUNNY   82  64  53 SW8       30.12R                  
RENSSELAER +   PTSUNNY   81  64  57 SW9G17    30.12F                  
VALPARAISO     PTSUNNY   76  63  64 SW12      30.12S                  

$$


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

Gary, IN

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated thunderstorms late in the morning. Scattered showers. Scattered thunderstorms in the afternoon. Highs in the mid 80s inland, but only in the lower 80s near the lake. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Portage, IN

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated thunderstorms late in the morning. Scattered showers. Scattered thunderstorms in the afternoon. Highs in the mid 80s inland, but only in the upper 70s near the lake. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Calumet City, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
70%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Rain Showers
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy. Isolated thunderstorms in the late morning and early afternoon. Scattered showers. Scattered thunderstorms late. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

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

Chicago, IL

Today
Thunderstorms
80°/ 65° 27°/ 18°
50%
Wednesday
Rain Showers
72°/ 68° 22°/ 20°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Rain Showers
75°/ 65° 24°/ 18°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
40%

Day: Mostly cloudy. Scattered showers in the late morning and early afternoon. Isolated thunderstorms. Isolated showers late. Highs around 80. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms in the late evening and overnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 50 percent.

Crete, IL

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

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated thunderstorms late in the morning. Scattered showers. Scattered thunderstorms in the afternoon. Warmer. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: A chance of thunderstorms until early morning. Showers likely. A slight chance of thunderstorms late. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Michigan City, IN

Afternoon
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%

Day: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Night: A chance of thunderstorms. Showers likely. Lows in the mid 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 70 percent.

Wanatah, IN

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%

Day: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Night: Showers likely with a chance of thunderstorms. Humid with lows in the mid 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 70 percent.

Joliet, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
70%
Wednesday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
50%
Friday
Thunderstorms
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy. Isolated thunderstorms in the late morning and early afternoon. Scattered showers. Scattered thunderstorms late. Highs in the lower 80s. Southwest winds around 10 mph, becoming west in the afternoon. Chance of precipitation 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Kankakee, IL

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated showers and thunderstorms in the late morning and early afternoon, then scattered showers and thunderstorms late. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of precipitation 70 percent.

Roselawn, IN

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
60%
Thursday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
20%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
78°/ 55° 26°/ 13°
40%

Day: Partly cloudy. Isolated showers and thunderstorms in the late morning and early afternoon. Scattered showers and thunderstorms late. Warmer. Highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of precipitation 40 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Rensselaer, IN

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
60%
Thursday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
20%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 55° 26°/ 13°
50%

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated showers and thunderstorms in the late morning and early afternoon. Scattered showers and thunderstorms late. Warmer. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Niles, MI

Afternoon
Thunderstorms
82°/ 62° 28°/ 17°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
78°/ 60° 26°/ 16°
60%
Friday
Rain Showers
78°/ 60° 26°/ 16°
40%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%

Day: Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of rain 30 percent.

Night: A chance of thunderstorms. Showers likely. Lows in the lower 60s. North winds around 5 mph. Chance of rain 70 percent.

Naperville, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Wednesday
Rain Showers
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Rain Showers
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
40%

Day: Mostly cloudy. Numerous showers late in the morning. Isolated thunderstorms. Scattered showers in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms in the late evening and overnight. Lows in the lower 60s. North winds around 5 mph. Chance of precipitation 50 percent.

Evanston, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Wednesday
Rain Showers
72°/ 65° 22°/ 18°
50%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
50%
Friday
Rain Showers
75°/ 65° 24°/ 18°
40%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Day: Mostly cloudy. Numerous showers late in the morning. Isolated thunderstorms. Scattered showers in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. A slight chance of thunderstorms until early morning, then a chance of showers after midnight. Lows in the lower 60s. North winds around 5 mph. Chance of precipitation 40 percent.

Knox, IN

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Friday
Rain Showers
80°/ 62° 27°/ 17°
20%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
70%

Day: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values in the mid 90s.

Night: Showers likely with a chance of thunderstorms. Humid with lows in the mid 60s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain 70 percent.

Channahon, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Mostly cloudy late in the morning, then becoming partly cloudy. Isolated thunderstorms late in the morning. Scattered showers. Scattered thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds around 10 mph, becoming west in the afternoon. Chance of precipitation 40 percent.

Night: Mostly cloudy. A chance of thunderstorms until early morning. Showers likely. A slight chance of thunderstorms late. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Winamac, IN

Afternoon
Thunderstorms
90°/ 65° 32°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Friday
Thunderstorms
80°/ 62° 27°/ 17°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
70%

Day: Partly cloudy. A slight chance of showers and thunderstorms. Warmer with highs around 90. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values in the upper 90s.

Night: Showers likely with a chance of thunderstorms. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 70 percent.

North Liberty, IN

Afternoon
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Friday
Rain Showers
78°/ 60° 26°/ 16°
30%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%

Day: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Night: A chance of thunderstorms. Showers likely. Lows in the mid 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 70 percent.

Waukegan, IL

Today
Thunderstorms
78°/ 58° 26°/ 14°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
50%
Thursday
Thunderstorms
75°/ 60° 24°/ 16°
50%
Friday
Rain Showers
75°/ 62° 24°/ 17°
50%
Saturday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Day: Mostly cloudy. Showers late in the morning. Isolated thunderstorms. Isolated showers in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Mostly cloudy. A slight chance of showers in the late evening and overnight. Lows in the upper 50s. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Watseka, IL

Today
Thunderstorms
90°/ 65° 32°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
60%
Thursday
Thunderstorms
85°/ 65° 29°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
40%
Saturday
Cloudy
88°/ 65° 31°/ 18°
60%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
50%

Day: Partly cloudy. Isolated showers and thunderstorms early in the afternoon. Scattered showers and thunderstorms late. Highs around 90. Southwest winds 10 to 15 mph, diminishing to 5 to 10 mph in the afternoon. Chance of precipitation 40 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. Northwest winds 5 to 10 mph, becoming northeast after midnight. Chance of precipitation 70 percent.

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