Weather for Alton Illinois

Currently
Extreme Heat Warning issued June 21 at 3:18AM CDT until June 24 at 9:00PM CDT by NWS St Louis MO * WHAT...Dangerously hot conditions with heat index values up to 110 expected. * WHERE...In Illinois, Jersey IL, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...From noon today to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase during extreme heat and high humidity events.
77°
Feels like 84°
Mostly sunny
Mostly sunny
Winds: S 5.4 mph
Humidity: 90%
Pressure: 29.96 inHg
Visibility: 11 miles
UV Index: 0
Precip today: 0 in
Dew Point: 74° F
Sunrise: 5:36 AM
Sunset: 8:29 PM
Today: Sunshine; breezy, very hot and humid; extreme heat expected this weekend; stay hydrated
Tonight: Clear, warm and humid
Updated June 21, 5:58 AM
Air Quality
AirQuality 58 Moderate
Grass 12 Moderate
Mold 3250 Low
Ragweed 30 Moderate
Tree 7 Low
UVIndex 11 Extreme
5 Day Forecast
Saturday
06/21
Hot
96° / 74°
Sunday
06/22
Hot
97° / 74°
Monday
06/23
Sunny
95° / 73°
Tuesday
06/24
Partly sunny
92° / 74°
Wednesday
06/25
Mostly sunny
94° / 73°
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Weather data provided by AccuWeather API

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Contact
200 W. Third Street | Alton, IL 62002
Suite 200
618.465.9850