Current Weather
1:24 PM
93°F
Sunny
RealFeel® 112°
Dangerous Heat
RealFeel Shade™ 102°
Very Hot
RealFeel®
112°
RealFeel Shade™
102°
Heat Index
110°
Max UV Index
9.9 (Very High)
Wind
SSW 6 mph
Wind Gusts
13 mph
Humidity
63%
Indoor Humidity
63% (Dangerously Humid)
Dew Point
79° F
Pressure
↔ 29.85 in
Cloud Cover
4%
Visibility
21 mi
Cloud Ceiling
40000 ft
Day
6/10
93°Hi
RealFeel®
112°
Very Hot
RealFeel Shade™
102°
Hot
Mostly sunny and hot
Max UV Index11.0 (Extreme)
AccuLumen Brightness Index™9 (Very Bright)
WindSSW 12 mph
Wind Gusts23 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover14%
Night
6/10
73°Lo
RealFeel®
75°
Pleasant
A stray thunderstorm this evening; otherwise, mainly clear, warm and humid; storms can bring flooding downpours and localized damaging wind gusts
WindSSW 8 mph
Wind Gusts20 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.23 in
Rain0.23 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover22%
Sun & Moon
14 hrs 51 mins
Rise
5:35 AM
Set
8:26 PM
Waning Crescent
Rise
2:02 AM
Set
3:32 PM
Temperature History
6/10High
Low
Forecast
93°
73°
Average
82°
64°
Last Year
79°
56°
Current Weather Conditions in Alton
Alton, Illinois is currently Sunny with a temperature of 93°. The current RealFeel® Temperature is 112° (Dangerous Heat) based on observed conditions including 63% humidity, 4% cloud cover, a UV index of 10, and winds of 6 mph. In shade, the RealFeel Shade™ is 102°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Alton, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
