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Union, MO

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Union, MO 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

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4 PM

90°

RealFeel® 102°

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.

61%

Partly sunny w/ t-storms

RealFeel Shade™97°

Heat Index104°

WindWNW 7 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts8 mph

Humidity67%

Indoor Humidity67% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

5 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.

40%

Mostly sunny

RealFeel Shade™94°

Heat Index96°

WindWNW 7 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts8 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°

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.

34%

Mostly sunny

RealFeel Shade™92°

Heat Index94°

WindWNW 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts9 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

85°

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%

Mostly sunny

RealFeel Shade™93°

Heat Index92°

WindNW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts7 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

84°

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%

Cloudy

Heat Index91°

WindS 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling21300 ft

9 PM

82°

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%

Cloudy

Heat Index88°

WindSSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling18000 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.

38%

Cloudy

Heat Index84°

WindSW 4 mph

Air QualityFair

Wind Gusts7 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

77°

RealFeel® 84°

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.

49%

Cloudy

WindNNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Union

AccuWeather's hourly forecast for Union provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 90° with a RealFeel® of 102°, partly sunny w/ t-storms with a 61% 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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O'Fallon, MO
St. Charles, MO
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