Saint John, Indiana Weather
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Weather Forecast for Saint John, Indiana : Lake County
Issued: 11:56 am CDT Jul 5, 2025 Latitude: 41.4500356 Longitude: -87.4700381 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on This Afternoon 30% chance of thunderstorms on Tonight 60% chance of thunderstorms on Sunday Mostly Sunny on Monday Sunny on Tuesday 20% chance of thunderstorms on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday
High: 94°F Low: 73°F High: 86°F High: 81°F High: 88°F High: 86°F High: 86°F High: 89°F
Low: 64°F Low: 64°F Low: 68°F Low: 66°F Low: 67°F  
Sunny Thunderstorms Thunderstorms Mostly Sunny Sunny Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
LANSING MUNICIPAL - (KIGQ)
90°
Feels like 92°F
Partly Cloudy
as of 11:55 AM CDST
Rel. Humidity: 46%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 22 MPH
220° Southwest
Cloud Level(s): Scattered at 5000ft, Scattered at 8500ft
Current Conditions at
GARY - (KGYY)
93°
Feels like 97°F
Partly Cloudy
as of 11:45 AM CDST
Rel. Humidity: 44%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 23 MPH
230° Southwest
Cloud Level(s): Scattered at 5500ft
Current Conditions at
VALPARAISO - (KVPZ)
88°
Feels like 90°F
Partly Cloudy
as of 11:56 AM CDST
Rel. Humidity: 48%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
15 MPH
230° Southwest
Cloud Level(s): Few at 4800ft, Scattered at 6000ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
90°
Feels like 91°F
Partly Cloudy
as of 11:53 AM CDST
Rel. Humidity: 43%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 28 MPH
220° Southwest
Cloud Level(s): Scattered at 5500ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 94. Southwest wind around 15 mph, with gusts as high as 25 mph.
30% chance of thunderstorms Tonight Tonight... A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
60% chance of thunderstorms Sunday Sunday... Showers and thunderstorms likely, mainly between 1pm and 4pm. Partly sunny, with a high near 86. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Mostly cloudy, with a low around 64. North wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 81. North northeast wind 5 to 10 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 64.
Sunny on Tuesday Tuesday... Sunny, with a high near 88.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 68.
20% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 66.
20% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 67.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Current Radar Image


Sun Almanac for Saint John, Indiana
Sunrise: 05:23 AM
Sunset: 8:27 PM
Civil Sunrise:04:49 AM
Civil Sunset: 9:00 PM
Nautical Sunrise: 04:06 AM
Nautical Sunset: 9:43 PM
Astro Sunrise: 03:16 AM
Astro Sunset: 10:34 PM
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