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Mendon, IL Weather Forecast

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Mendon, IL Weather Forecast

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Mendon IL weather - Clear - 60°F
Clear
60°F
Updated 11:21 pm
Feels Like 54°F
Humidity 57%
Wind SSE 7 mph
Barometer  30.34 in
Dew Point 45°F
Mendon IL weather - Clear - 16°C
Clear
16°C
Updated 11:21 pm
Feels Like 12°C
Humidity 57%
Wind SSE 11 km/h
Barometer  102.7 kPa
Dew Point 7°C
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Mendon Weather Forecast

OVERNIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Mendon, IL Weather - Overnight Partly Cloudy Mendon, IL Weather - Sunday Mostly Sunny Mendon, IL Weather - Sunday Night Mostly Cloudy Mendon, IL Weather - Monday Mostly Cloudy Mendon, IL Weather - Monday Night Partly Cloudy Mendon, IL Weather - Tuesday Mostly Cloudy Mendon, IL Weather - Tuesday Night Mostly Cloudy Mendon, IL Weather - Wednesday Mostly Sunny Mendon, IL Weather - Wednesday Night Mostly Clear Mendon, IL Weather - Thursday Chance Of Showers Mendon, IL Weather - Thursday Night Chance Of Showers Mendon, IL Weather - Friday Mostly Cloudy
Partly Cloudy Mostly Sunny Mostly Cloudy Mostly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Clear Chance of Showers Chance of Showers Mostly Cloudy
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 80°FHi: 27°C
Lo: 59°FLo: 15°C		 Hi: 80°FHi: 27°C
Lo: 59°FLo: 15°C		 Hi: 80°FHi: 27°C
Lo: 59°FLo: 15°C
POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1100 PM CDT Sat Oct 24 2026 Mendon, IL Weather - WeatherWorld.com

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Issued: 557 PM CDT Sat Oct 24 2026

Key Messages

  • Seasonably warm and predominantly dry conditions will persist through next week.

Aviation

/18Z TAFS THROUGH 00Z MONDAY/... Issued at 554 PM CDT Sat Oct 24 2026

Dry and mainly VFR conditions are expected to continue through the period. The potential for river fog recurring at SUS or CPS remains too low to include in this issuance of the TAFs. Otherwise winds will remain below 10 knots.


Watches / Warnings / Advisories

/WARNINGS/ADVISORIES... MO...None. IL...None.