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Posen, IL Weather Forecast

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Posen, IL Weather Forecast

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Posen IL weather - Clear - 71°F
Clear
71°F
Updated 9:51 am
Feels Like 66°F
Humidity 65%
Wind SW 7 mph
Barometer  29.92 in
Dew Point 59°F
Posen IL weather - Clear - 22°C
Clear
22°C
Updated 9:51 am
Feels Like 19°C
Humidity 65%
Wind SW 11 km/h
Barometer  101.3 kPa
Dew Point 15°C
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Posen Weather Forecast

REST OF TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT
Posen, IL Weather - Rest Of Today Mostly Sunny Posen, IL Weather - Tonight Mostly Clear Posen, IL Weather - Tuesday Mostly Sunny Posen, IL Weather - Tuesday Night Chance Of T-Storm Posen, IL Weather - Wednesday Showers Likely Posen, IL Weather - Wednesday Night Chance Of Showers Posen, IL Weather - Thursday Chance Of T-Storm Posen, IL Weather - Thursday Night Chance Of Showers Posen, IL Weather - Friday Partly Cloudy Posen, IL Weather - Friday Night Partly Cloudy Posen, IL Weather - Saturday Sunny Posen, IL Weather - Saturday Night Clear
Mostly Sunny Mostly Clear Mostly Sunny Chance of T-Storm Showers Likely Chance of Showers Chance of T-Storm Chance of Showers Partly Cloudy Partly Cloudy Sunny Clear
Hi: 89°FHi: 32°C
 Lo: 71°FLo: 22°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 59°FHi: 15°C
 Lo: 39°FLo: 4°C Hi: 59°FHi: 15°C
 Lo: 39°FLo: 4°C
POP: 90% POP: 60% POP: 40% POP: 80% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 925 AM CDT Mon Oct 12 2026 Posen, IL Weather - WeatherWorld.com

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Issued: 632 AM CDT Mon Oct 12 2026

Key Messages

  • Record warmth is likely today, along with breezy/gusty southwesterly winds.
  • Showers likely and some embedded thunderstorms Tuesday night into Wednesday morning, and again on Thursday.
  • Turning much cooler into next weekend.

Discussion

... Issued at 206 AM CDT Mon Oct 12 2026

Fog has developed across parts of northern IN, mainly just east of the cwa border and other then some very shallow patchy fog and mainly across northwest IN early this morning, not expecting any widespread fog concer...