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Heat dome collapse to spark thunderstorms. Get the forecast.

Weldon Spring, MO

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Weldon Spring, MO Weather

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

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2 PM

93°

RealFeel® 106°

Very Hot

RealFeel Guide

Very Hot

101° to 107°

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

43%

Mostly cloudy

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™98°

Heat Index102°

WindWSW 7 mph

Air QualityFair

Max UV Index6.9 (High)

Wind Gusts10 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling24900 ft

3 PM

94°

RealFeel® 104°

Very Hot

RealFeel Guide

Very Hot

101° to 107°

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

47%

Mostly cloudy

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™99°

Heat Index103°

WindW 7 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts12 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling19800 ft

4 PM

92°

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.

51%

Thunderstorms

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™96°

Heat Index102°

WindW 7 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts13 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

5 PM

92°

RealFeel® 99°

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.

24%

Mostly cloudy

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™96°

Heat Index100°

WindNW 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts9 mph

Humidity54%

Indoor Humidity54% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling19800 ft

6 PM

90°

RealFeel® 98°

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.

19%

Intermittent clouds

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™96°

Heat Index99°

WindE 7 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

7 PM

88°

RealFeel® 96°

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.

24%

Intermittent clouds

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™94°

Heat Index97°

WindE 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts8 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°

RealFeel® 93°

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.

34%

Intermittent clouds

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™93°

Heat Index94°

WindS 7 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts8 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°

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.

34%

Intermittent clouds

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

Heat Index90°

WindSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

80°

RealFeel® 87°

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.

40%

Intermittent clouds

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

Heat Index84°

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7000 ft

11 PM

77°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Mostly cloudy w/ t-storms

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

WindESE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.19 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Weldon Spring

AccuWeather's hourly forecast for Weldon Spring provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 93° with a RealFeel® of 106°, mostly cloudy with a 43% 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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World North America United States Missouri Weldon Spring

Weather Near Weldon Spring:

O'Fallon, MO
St. Charles, MO
St. Louis, MO

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