Excessive Heat Warning issued July 5 at 2:52AM CDT until July 7 at 11:00PM CDT by NWS St Louis MO

* WHAT...Dangerously hot conditions with heat index values up to 111. * WHERE...In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO and Saint Louis MO Counties. In Illinois, Madison IL, Monroe IL and Saint Clair Counties. * WHEN...Until 11 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Alton IL Weather and Radar

Currently

Updated July 5, 1:43 PM
100°
Sunny
Feels like 112°
Sunny
UV Index: 10
Humidity: 41%
Winds: WSW 5 mph
Pressure: 29.96 inHg
Visibility: 19 miles
Sunrise: 5:41 AM
Sunset: 8:29 PM
Precip chance: 22%
Precip today: 0 in
Dew Point: 73 F
Call Time & Temperature
(618) 465-4545

Today: Very hot and humid with sunshine

Tonight: Partly cloudy and warm

Air and Pollen Today

AirQuality
75
Moderate
Grass
68
High
Mold
7020
Moderate
Ragweed
12
Moderate
Tree
173
High
UVIndex
11
Extreme

5 Day Forecast

Tue, Jul. 5
Hot
100° 78°
Hot
Precip 22%
Wed, Jul. 6
Partly sunny w/ t-storms
99° 77°
Partly sunny w/ t-storms
Precip 40%
Thu, Jul. 7
Hot
96° 75°
Hot
Precip 40%
Fri, Jul. 8
Mostly cloudy
87° 72°
Mostly cloudy
Precip 78%
Sat, Jul. 9
Partly sunny
85° 63°
Partly sunny
Precip 14%

Radar Map

Weather data provided by AccuWeather API