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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right

East Alton, IL

95°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Saturday, June 21

Day

6/21
96°Hi
RealFeel® 107°
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.
LEARN MORE
RealFeel Shade™ 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.
LEARN MORE
Breezy, very hot and humid with sunshine; extreme heat expected this weekend; stay hydrated

Max UV Index11 (Extreme)

AccuLumen Brightness Index™10 (Very Bright)

WindSSW 13 mph

Wind Gusts28 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover9%

Morning

Afternoon

Night

6/21
74°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid; little heat relief; uncomfortable night for sleeping without air conditioning
alerts

Extreme Heat Warning

8:00 PM Saturday - 9:00 PM Tuesday

WindS 8 mph

Wind Gusts21 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 54 mins
Rise 5:35 AM
Set 8:29 PM
Waning Crescent
Rise 2:09 AM
Set 4:36 PM

Temperature History

6/21
High
Low
Forecast
96°
74°
Average
85°
67°
Last Year
93°
66°

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World North America United States Illinois East Alton

Weather Near East Alton:

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