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Pecatonica, IL Weather Forecast

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Pecatonica, IL Weather Forecast

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Pecatonica IL weather - Clear - 40°F
Clear
40°F
Updated 7:13 am
Feels Like 45°F
Humidity 95%
Wind N 0 mph
Barometer  30.29 in
Dew Point 39°F
Pecatonica IL weather - Clear - 4°C
Clear
4°C
Updated 7:13 am
Feels Like 7°C
Humidity 95%
Wind N 0 km/h
Barometer  102.5 kPa
Dew Point 4°C
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Pecatonica Weather Forecast

EARLY THIS MORNING TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Pecatonica, IL Weather - Early This Morning Clear Pecatonica, IL Weather - Today Sunny Pecatonica, IL Weather - Tonight Clear Pecatonica, IL Weather - Thursday Mostly Sunny Pecatonica, IL Weather - Thursday Night Mostly Clear Pecatonica, IL Weather - Friday Mostly Sunny Pecatonica, IL Weather - Friday Night Partly Cloudy Pecatonica, IL Weather - Saturday Partly Cloudy Pecatonica, IL Weather - Saturday Night Mostly Cloudy Pecatonica, IL Weather - Sunday Mostly Cloudy Pecatonica, IL Weather - Sunday Night Mostly Cloudy Pecatonica, IL Weather - Monday Mostly Cloudy
Clear Sunny Clear Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
Hi: 40°FHi: 4°C
 Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 71°FHi: 22°C
 Lo: 50°FLo: 10°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
POP = Probability of Precipitation.
Weather Outlook Updated: 425 AM CDT Wed Oct 21 2026 Pecatonica, IL Weather - WeatherWorld.com

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Pecatonica Forecast Discussion

Meteorlogic Glosserator
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Issued: 620 AM CDT Wed Oct 21 2026

Key Messages

  • Dense fog may develop again early this morning within about 25 miles of Lake Michigan, with highest chances in the northern Chicago suburbs. Any dense fog that does form will quickly burn off by mid-morning.
  • The dry and unseasonably mild weather will continue through the upcoming weekend.

Discussion

... Issued at 157 AM CDT Wed Oct 21 2026

GOES nighttime microphysics RGB shows fog developing across Lake County IL into extreme southeast WI. Given the fog is developing a couple hours earl...