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Johnson Park, IL Weather Forecast

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Johnson Park, IL Weather Forecast

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Johnson Park IL weather - Clear - 87°F
Clear
87°F
Updated 5:14 pm
Feels Like 92°F
Humidity 55%
Wind N 0 mph
Barometer  29.87 in
Dew Point 69°F
Johnson Park IL weather - Clear - 31°C
Clear
31°C
Updated 5:14 pm
Feels Like 33°C
Humidity 55%
Wind N 0 km/h
Barometer  101.1 kPa
Dew Point 21°C
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Johnson Park Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Johnson Park, IL Weather - Tonight Chance Of T-Storm Johnson Park, IL Weather - Sunday Chance Of T-Storm Johnson Park, IL Weather - Sunday Night Chance Of T-Storm Johnson Park, IL Weather - Monday Chance Of T-Storm Johnson Park, IL Weather - Monday Night Chance Of Showers Johnson Park, IL Weather - Tuesday Chance Of Showers Johnson Park, IL Weather - Tuesday Night Partly Cloudy Johnson Park, IL Weather - Wednesday Partly Cloudy Johnson Park, IL Weather - Wednesday Night Partly Cloudy Johnson Park, IL Weather - Thursday Partly Sunny Johnson Park, IL Weather - Thursday Night Chance Of Showers Johnson Park, IL Weather - Friday Chance Of Showers
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Partly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Chance of Showers Chance of Showers
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 69°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 65°FHi: 18°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C		 Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C		 Hi: 71°FHi: 22°C
 Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C		 Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C
POP: 50% POP: 50% POP: 90% POP: 90% POP: 50% POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 438 PM CDT Sat Sep 19 2026 Johnson Park, IL Weather - WeatherWorld.com

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Issued: 238 PM CDT Sat Sep 19 2026

Key Messages

  • A cold front will slowly drift southward through the region, bringing widespread showers and thunderstorms late Sunday into Monday.
  • The pattern shift will result in cooler, more seasonable temperatures through next week.

Aviation

/18Z TAFS THROUGH 00Z MONDAY/... Issued at 1230 PM CDT Sat Sep 19 2026

A weak mid-level disturbance is drifting east of the Mississippi River, resulting in isolated showers/thunderstorms. Activity is expected to remain east of the terminals and therefore have n...