Chesterton, IN Weather Forecast & Current Conditions

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Chesterton Weather Map
UTC Time: 9/19/2026, 14:40
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Chesterton, IN Regional Weather

Expires:202609191500;;711902
ASUS43 KIND 191410
RWRIN 

WEATHER ROUNDUP FOR INDIANA
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1000 AM EDT SAT SEP 19 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>013-019-020-191500-
NORTHWEST INDIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
GARY /AIRPORT/ PTSUNNY   64  64 100 CALM      30.00R                  
KNOX *+        LGT RAIN  63  63 100 E14       30.04S FOG              
LA PORTE +     LGT RAIN  61  61 100 SE13G18   30.02F FOG              
MICHIGAN CITY+ RAIN      59  59 100 E8        30.02S                  
MONTICELLO +   CLOUDY    67  64  89 N8        30.03R                  
RENSSELAER +   CLOUDY    64  63  94 NE10      30.04S                  
VALPARAISO     TSTM      61  61 100 E13       30.00F FOG              

$$


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

Chesterton, IN

Today
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
60%
Monday
Rain Showers
65°/ 50° 18°/ 10°
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: Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming west after midnight. Chance of precipitation 90 percent.

Michigan City, IN

Today
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
70°21°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 70s. East winds 5 to 10 mph with gusts up to 25 mph, becoming southeast this afternoon. Chance of rain near 100 percent.

Night: A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Lows in the lower 60s. South winds around 5 mph. Chance of rain 90 percent.

Gary, IN

Today
Thunderstorms
78°/ 65° 26°/ 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: Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the upper 70s. Southeast winds 5 to 10 mph, becoming south in the afternoon. Chance of precipitation near 100 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.

Wanatah, IN

Today
Thunderstorms
78°/ 65° 26°/ 18°
100%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Rain Showers
65°/ 48° 18°/
20%
Wednesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Gusts up to 20 mph early this morning. Chance of rain near 100 percent.

Night: A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming southwest after midnight. Chance of rain 80 percent.

Niles, MI

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

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph. Gusts up to 30 mph, decreasing to 20 mph this afternoon. Chance of rain near 100 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 60s. South winds around 5 mph. Chance of rain 90 percent.

Calumet City, IL

Today
Thunderstorms
78°/ 65° 26°/ 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: Thunderstorms likely in the morning. Showers. A chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the upper 70s. Southeast winds around 10 mph, becoming south in the afternoon. Chance of precipitation near 100 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.

Chicago, IL

Today
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: Thunderstorms likely in the morning. Showers. A chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of precipitation near 100 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.

Knox, IN

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Rain Showers
68°/ 50° 20°/ 10°
20%
Thursday
Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 80 percent.

Rensselaer, IN

Today
Thunderstorms
80°/ 65° 27°/ 18°
100%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
60%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. East winds 5 to 10 mph, becoming south in the afternoon. Chance of precipitation near 100 percent.

Night: A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming southwest after midnight. Chance of precipitation 70 percent.

North Liberty, IN

Today
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
90%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tuesday
Rain Showers
65°/ 48° 18°/
20%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph. Gusts up to 30 mph early this morning. Chance of rain 90 percent.

Night: A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. South winds around 5 mph. Chance of rain 90 percent.

Crete, IL

Today
Thunderstorms
78°/ 65° 26°/ 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
72°22°
0%

Day: Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds 5 to 10 mph, becoming south in the afternoon. Chance of precipitation near 100 percent.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of precipitation 90 percent.

Roselawn, IN

Today
Thunderstorms
80°/ 65° 27°/ 18°
100%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
60%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Southeast winds around 5 mph. Chance of precipitation near 100 percent.

Night: Cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Humid with lows in the mid 60s. Southeast winds around 5 mph, becoming west after midnight. Chance of precipitation 70 percent.

Winamac, IN

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°22°
0%

Day: A chance of thunderstorms. Showers. Highs in the upper 70s. Southeast winds around 5 mph. Chance of rain 90 percent.

Night: Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 70 percent.

Plymouth, IN

Today
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Thursday
Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 70s. East winds 5 to 10 mph with gusts up to 20 mph, becoming southeast this afternoon. Chance of rain 90 percent.

Night: Cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 90 percent.

South Bend, IN

Today
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
60%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph. Gusts up to 30 mph early this morning. Chance of rain 90 percent.

Night: A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. South winds around 5 mph. Chance of rain 90 percent.

Kankakee, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
100%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
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 with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds around 5 mph. Chance of precipitation near 100 percent.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. South winds around 5 mph, becoming west after midnight. Chance of precipitation 90 percent.

Joliet, IL

Today
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: Thunderstorms likely in the morning. Showers. A chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the upper 70s. East winds around 10 mph, becoming south in the afternoon. Chance of precipitation near 100 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.

Evanston, IL

Today
Thunderstorms
75°/ 62° 24°/ 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: Thunderstorms likely in the morning. Showers. A chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of precipitation near 100 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.

Benton Harbor, MI

Today
Thunderstorms
72°/ 58° 22°/ 14°
100%
Sunday
Thunderstorms
72°/ 50° 22°/ 10°
80%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tuesday
Rain Showers
65°/ 48° 18°/
20%
Wednesday
Rain Showers
65°/ 48° 18°/
20%
Thursday
Cloudy
68°/ 48° 20°/
0%
Friday
Cloudy
72°22°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers likely with a slight chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 90 percent.

Naperville, IL

Today
Thunderstorms
78°/ 65° 26°/ 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: Thunderstorms likely in the morning. Showers. A chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Some thunderstorms may produce heavy rainfall late in the morning. Highs in the upper 70s. Southeast winds around 10 mph, becoming south in the afternoon. Chance of precipitation near 100 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.

Names listed above may include county names.

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