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Monroe Park, IL Weather Forecast

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Clear

74°F

Updated	12:24 pm
Feels Like	72°F
Humidity	36%
Wind	VRB 3 mph
Barometer	30.13 in
Dew Point	46°F

Clear

23°C

Updated	12:24 pm
Feels Like	22°C
Humidity	36%
Wind	VRB 5 km/h
Barometer	102 kPa
Dew Point	8°C

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Cloud Cover	7%
uv UV Index	5
Sunrise	6:59 AM
Sunset	6:26 PM
Moonrise	4:48 AM
Moonset	5:22 PM

Civil Twilight
6:29 AM to 6:56 AM
6:27 PM to 6:54 PM
Monroe Park IL Weather - Waning Crescent Moon

Waning Crescent Moon

Monroe Park Weather Forecast

REST OF TODAY	TONIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT	MONDAY	TUESDAY	TUESDAY NIGHT	WEDNESDAY

Sunny	Mostly Clear	Sunny	Clear	Partly Sunny	Showers Likely	Chance of Showers	Mostly Clear	Mostly Clear	Mostly Sunny	Mostly Clear	Mostly Clear
Hi: 81°FHi: 27°C	Lo: 51°FLo: 11°C	Hi: 85°FHi: 29°C	Lo: 60°FLo: 16°C	Hi: 85°FHi: 29°C	Lo: 59°FLo: 15°C	Hi: 75°FHi: 24°C	Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C	Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C	Hi: 75°FHi: 24°C	Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C	Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C
					POP: 60%	POP: 50%

POP = Probability of Precipitation.

Weather Outlook Updated: 1037 AM CDT Thu Oct 08 2026 Monroe Park, IL Weather - WeatherWorld.com

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Issued: 1217 PM CDT Thu Oct 8 2026

Key Messages

Dry fuels and low relative humidity will lead to an elevated risk for afternoon agricultural field fires today through Saturday, especially southeast of the IL river.
There is a slight chance for showers and thunderstorms Friday morning from I-74 north. Rainfall amounts should be light.
The next widespread chance for rain is late Saturday into Sunday, especially over east central and southeast IL. Latest

LREF has a 40 to 60 percent chance for more than a half inch of rain southeast o...

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Weather 101: Term of the Day

Rogue Wave

Commonly used term by mariners of a wave of an unexpected wave of much greater height or steepness than other waves in the prevailing sea or swell system. Rogue waves have been part of marine folklore for centuries. They are generally considered to be unexpectedly high waves which in some instances come from a direction different from the predominant waves in the local area. A single rogue wave has certainly been known to spell disaster for the mariner. They have, over the past twenty or thirty years, come to be recognized as unique phenomena albeit with several possible causes.,(1) Constructive interference. Several different wave trains of differing speeds and directions meet at the same time. The heights of the crests are additive so that an extreme wave may result when very high waves are included in the wave trains. The effect is normally short lived since the wave trains continue to separate and move on.,(2) Focusing of wave energy. When storm forced waves are developed in a water current counter to the wave direction an interaction can take place which results in a shortening of the wave frequency. The result is the superimposing of the wave trains and the generation of extreme waves. Examples of currents where these are sometimes seen are the Gulf Stream and Agulhas current. Extreme wave developed in this regime tend to be longer lived.,(3) Normal part of the wave spectrum. The generation of waves on water results not in a single wave height but in a spectrum of waves distributed from the smallest capillary waves to large waves indeed. Within this spectrum there is a finite possibility of each of the wave heights to occur with the largest waves being the least likely. The wave height most commonly observed and forecast is the significant wave height. This is defined as the average of the one third highest waves. The probability of encountering such a wave is about 1 in 10 while 1 in 1000 waves will be nearly double the significant wave height or higher. This is thought to be the source of at least some reports of rogue waves.