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Tropical Storm Gabrielle forms over the Atlantic. See the track forecast. Chevron right
Ash stirring up on Mount St. Helens, read more here. Chevron right

Troy, IL

92°F
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Troy

Illinois

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Troy, IL Weather
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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

3 PM

91°
RealFeel® 94°
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.
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rain drop 0%
Chevron down
Mostly sunny
alerts

Air Quality Alert

3:10 PM Friday - 3:45 PM Wednesday

RealFeel Shade™88°

WindN 6 mph

Air QualityUnhealthy

Max UV Index4.2 (Moderate)

Wind Gusts7 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

90°
RealFeel® 91°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™87°

WindN 6 mph

Air QualityUnhealthy

Max UV Index3.1 (Moderate)

Wind Gusts7 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™85°

WindN 6 mph

Air QualityUnhealthy

Max UV Index2.0 (Low)

Wind Gusts7 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™84°

WindNNE 6 mph

Air QualityUnhealthy

Max UV Index1.0 (Low)

Wind Gusts7 mph

Humidity36%

Indoor Humidity36% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

81°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

WindNE 5 mph

Air QualityUnhealthy

Max UV Index0.1 (Low)

Wind Gusts6 mph

Humidity46%

Indoor Humidity46% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindENE 5 mph

Air QualityUnhealthy

Wind Gusts8 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 5 mph

Air QualityUnhealthy

Wind Gusts7 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 5 mph

Air QualityUnhealthy

Wind Gusts6 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 4 mph

Air QualityUnhealthy

Wind Gusts6 mph

Humidity67%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility1.01 mi

Cloud Ceiling30000 ft

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Weather Near Troy:

  • O'Fallon, MO
  • St. Charles, MO
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