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Formosa Junction, IL

90°F
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Formosa Junction

Illinois

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

1 PM

92°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™93°

WindNW 6 mph

Air QualityPoor

Max UV Index6.1 (High)

Wind Gusts7 mph

Humidity46%

Indoor Humidity46% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

93°
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.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™93°

WindNNW 7 mph

Air QualityPoor

Max UV Index5.2 (Moderate)

Wind Gusts9 mph

Humidity41%

Indoor Humidity41% (Humid)

Dew Point66° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

96°
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.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™95°

WindN 7 mph

Air QualityPoor

Max UV Index4.2 (Moderate)

Wind Gusts9 mph

Humidity37%

Indoor Humidity37% (Humid)

Dew Point66° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

94°
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.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™93°

WindNE 7 mph

Air QualityPoor

Max UV Index3.0 (Moderate)

Wind Gusts9 mph

Humidity37%

Indoor Humidity37% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

94°
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.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™93°

WindSE 7 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts9 mph

Humidity38%

Indoor Humidity38% (Humid)

Dew Point65° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

91°
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.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™92°

WindSSE 7 mph

Air QualityPoor

Max UV Index1.0 (Low)

Wind Gusts8 mph

Humidity43%

Indoor Humidity43% (Humid)

Dew Point66° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
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 1%
Chevron down
Intermittent clouds
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

RealFeel Shade™88°

WindS 6 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

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

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

WindS 5 mph

Air QualityPoor

Wind Gusts13 mph

Humidity50%

Indoor Humidity50% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
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 clear
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

WindS 5 mph

Air QualityPoor

Wind Gusts13 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

WindSSW 5 mph

Air QualityPoor

Wind Gusts12 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Air Quality Alert

3:10 PM Friday - 2:00 AM Sunday

WindSSW 5 mph

Air QualityPoor

Wind Gusts12 mph

Humidity70%

Indoor Humidity70% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois Formosa Junction

Weather Near Formosa Junction:

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