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Saint Charles, IA

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Saint Charles, IA Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

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3 PM

89°

RealFeel® 100°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Mostly sunny

RealFeel Shade™93°

Heat Index96°

WindENE 8 mph

Air QualityPoor

Max UV Index6.6 (High)

Wind Gusts9 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

88°

RealFeel® 97°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Mostly sunny

RealFeel Shade™91°

Heat Index94°

WindENE 8 mph

Air QualityPoor

Max UV Index4.5 (Moderate)

Wind Gusts9 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°

RealFeel® 95°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Mostly sunny

RealFeel Shade™91°

Heat Index93°

WindE 8 mph

Air QualityPoor

Max UV Index3.1 (Moderate)

Wind Gusts13 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°

RealFeel® 92°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Mostly sunny

RealFeel Shade™90°

Heat Index92°

WindESE 7 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts13 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

84°

RealFeel® 90°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

0%

Mostly sunny

RealFeel Shade™88°

Heat Index90°

WindESE 7 mph

Air QualityPoor

Max UV Index1.0 (Low)

Wind Gusts13 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

84°

RealFeel® 88°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Mostly sunny

RealFeel Shade™88°

Heat Index89°

WindE 7 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts13 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

81°

RealFeel® 85°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Mostly clear

Heat Index85°

WindE 7 mph

Air QualityPoor

Wind Gusts12 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

78°

RealFeel® 83°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Mostly clear

Heat Index80°

WindENE 6 mph

Air QualityPoor

Wind Gusts10 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°

RealFeel® 82°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

0%

Mostly clear

WindE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Charles

AccuWeather's hourly forecast for St. Charles provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 89° with a RealFeel® of 100°, mostly sunny with a 0% 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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