Alton, IL Hourly Weather Forecast

Waxing gibbous
Morning temperature of 21 °C, afternoon 33°, evening 30° and night 25°. Morning temperature of 70 degrees, afternoon 92°, evening 87° and night 78°.
Partly cloudy, night light rain.
Updated 7/21 12:01 AM 24:01
The hourly local weather forecast shows hour by hour weather conditions like temperature, feels like temperature, humidity, amount of precipitation and chance of precipitation, wind and gusts for Alton.
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Nearest Observations
Alton/st. Louis, St. Louis Regional Airport
Dewpoint 24° 75°
Rel. hum. 84 %
Feels like +27° 81°
Pressure 1011 hPa 29.8 inHg 757.9 mmHg
Visibility 11000 m 7 mi
St. Charles, St. Charles County Smartt Airport
Dewpoint 22° 72°
Rel. hum. 79 %
Feels like +30° 86°
Pressure 1009 hPa 29.8 inHg 757.1 mmHg
Visibility 16000 m 10 mi
St. Louis, Lambert-St. Louis International Airport
Dewpoint 24° 75°
Rel. hum. 70 %
Feels like +35° 95°
Pressure 1009 hPa 29.8 inHg 757 mmHg
Visibility 16000 m 10 mi
Nearest observations show current weather observations from your nearest weather stations.