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Vandalia, IL Weather

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

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1 PM

81°

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.

51%

Showers

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™81°

Heat Index85°

WindWSW 8 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts9 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Rain0.03 in

Visibility10 mi

Cloud Ceiling11100 ft

2 PM

83°

RealFeel® 89°

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%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™84°

Heat Index86°

WindWSW 7 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts8 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling7100 ft

3 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.

34%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™87°

Heat Index88°

WindWNW 7 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts8 mph

Humidity64%

Indoor Humidity64% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling7100 ft

4 PM

83°

RealFeel® 89°

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.

37%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™86°

Heat Index87°

WindNW 6 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts8 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

81°

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.

44%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™85°

Heat Index85°

WindNNW 6 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity70%

Indoor Humidity70% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling11400 ft

6 PM

80°

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.

48%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™85°

Heat Index83°

WindNNE 6 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts6 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling15800 ft

7 PM

77°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

52%

Thunderstorms

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™77°

WindE 5 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts6 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Rain0.12 in

Visibility4 mi

Cloud Ceiling4000 ft

8 PM

76°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

69%

Thunderstorms

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

RealFeel Shade™76°

WindENE 5 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts6 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.17 in

Visibility4 mi

Cloud Ceiling2000 ft

9 PM

76°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

64%

Thunderstorms

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

WindENE 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.08 in

Visibility5 mi

Cloud Ceiling2000 ft

10 PM

74°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

WindE 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

73°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Cloudy

Flood Watch

1:00 PM Thursday - 7:00 AM Friday

WindENE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling13500 ft

Hourly Weather Forecast for Vandalia

AccuWeather's hourly forecast for Vandalia provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 81° with a RealFeel® of 87°, showers with a 51% 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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