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Severe weather outbreak to peak Friday with tornadoes. Click for the forecast.

Flat Rock, IL

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Flat Rock, IL Weather

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3 PM

78°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Partly sunny

RealFeel Shade™74°

WindWSW 17 mph

Air QualityPoor

Max UV Index5.2 (Moderate)

Wind Gusts28 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling33000 ft

4 PM

81°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Partly sunny

RealFeel Shade™77°

WindWSW 15 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts27 mph

Humidity42%

Indoor Humidity42% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

80°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Partly sunny

RealFeel Shade™76°

WindWSW 13 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts21 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

77°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

7%

Partly sunny

RealFeel Shade™74°

WindWSW 10 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts15 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

75°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

5%

Partly sunny

RealFeel Shade™73°

WindSW 8 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

72°

RealFeel® 70°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Partly cloudy

WindWSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity58%

Indoor Humidity58% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

69°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindSW 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

67°

RealFeel® 64°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

WindSW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity70%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

64°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

WindSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity76%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Flat Rock

AccuWeather's hourly forecast for Flat Rock provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 78° with a RealFeel® of 78°, partly sunny with a 7% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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