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Mendon, IL Weather Forecast

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Mendon, IL Weather Forecast

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Mendon IL weather - Clear - 72°F
Clear
72°F
Updated 12:41 pm
Feels Like 67°F
Humidity 37%
Wind ESE 5 mph
Barometer  30.29 in
Dew Point 45°F
Mendon IL weather - Clear - 22°C
Clear
22°C
Updated 12:41 pm
Feels Like 20°C
Humidity 37%
Wind ESE 8 km/h
Barometer  102.5 kPa
Dew Point 7°C
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Mendon Weather Forecast

THIS AFTERNOON TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY TUESDAY NIGHT WEDNESDAY
Mendon, IL Weather - This Afternoon Sunny Mendon, IL Weather - Tonight Clear Mendon, IL Weather - Friday Sunny Mendon, IL Weather - Friday Night Partly Cloudy Mendon, IL Weather - Saturday Mostly Sunny Mendon, IL Weather - Saturday Night Mostly Cloudy Mendon, IL Weather - Sunday Mostly Sunny Mendon, IL Weather - Sunday Night Mostly Cloudy Mendon, IL Weather - Monday Mostly Cloudy Mendon, IL Weather - Tuesday Mostly Cloudy Mendon, IL Weather - Tuesday Night Mostly Cloudy Mendon, IL Weather - Wednesday Mostly Sunny
Sunny Clear Sunny Partly Cloudy Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Sunny
Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
 Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C		 Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C		 Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C		 Hi: 69°FHi: 21°C
Lo: 45°FLo: 7°C		 Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1109 AM CDT Thu Oct 22 2026 Mendon, IL Weather - WeatherWorld.com

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Issued: 1211 PM CDT Thu Oct 22 2026

Key Messages

  • Warm and dry weather will extend through this weekend.

Aviation

/18Z TAFS THROUGH 00Z SATURDAY/... Issued at 1211 PM CDT Thu Oct 22 2026

Dry and VFR flight conditions will persist through the TAF period with the exception of river valley fog again Friday morning. KSUS and KCPS are most favored for a short period of impacts from fog around sunrise Friday. Winds will remain light and eventually become more southeasterly to southerly on Friday.


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