Special Weather Statement issued July 22 at 11:11PM CDT by NWS | ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MADISON...NORTH CENTRAL ST. CLAIR COUNTIES IN SOUTHWESTERN ILLINOIS AND NORTHEASTERN ST. LOUIS COUNTIES IN EAST CENTRAL MISSOURI AND NORTHEASTERN ST. LOUIS CITY UNTIL MIDNIGHT CDT... At 1111 PM CDT, Doppler radar was tracking a strong thunderstorm over Riverview, moving east at 20 mph. | read more
Weather for Alton, IL
Last Updated on Jul 22 2017, 10:55 pm CDT
Right Now
Fair
83°
Dew Point: 79°
Humidity: 87%
Pressure: 29 in
Visibility: 10 miles
Winds: Calm
By the Hour
Dewpoint: 75°
1:00 AM
83°
Humidity: 77%
Wind: 4
Dewpoint: 73°
4:00 AM
80°
Humidity: 79%
Wind: 6
Dewpoint: 73°
7:00 AM
78°
Humidity: 84%
Wind: 4
Dewpoint: 75°
10:00 AM
85°
Humidity: 73%
Wind: 3
Dewpoint: 73°
1:00 PM
92°
Humidity: 54%
Wind: 3
Dewpoint: 67°
4:00 PM
95°
Humidity: 41%
Wind: 4
Dewpoint: 68°
7:00 PM
91°
Humidity: 47%
Wind: 4
Dewpoint: 69°
10:00 PM
80°
Humidity: 69%
Wind: 3
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5 Day Forecast
Monday
High 89°
Low 70°
Tuesday
High 92°
Low 68°
Wednesday
High 96°
Low 72°
Thursday
High 92°
Low 75°
Friday
High 88°
Low 71°
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