Alton, IL Weather

As of

Weather Station:Alton High School

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71degrees Fahrenheit

Feels like:71°F

Hi: 72Lo: 61

Sunny

Live Weather Radar

Alton, IL weather radar map

Current Weather Details

Windchill
71°
Daily Rain
0"
Dew point
59°
Monthly Rain
3.09"
Humidity
64%
Avg. Wind
SSW 18 mph
Pressure
29.8" →
Wind Gust
SW 24 mph
Sunrise
7:21 AM
Moon
Waning Gibbous
Sunset
7:01 PM
UV Index
5 (Moderate)

Weather Forecast

  • Today

    Hi

    Mostly sunny. Not as cool with highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph.

  • Tonight

    Lo

    Partly cloudy. Not as cool with lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.

Alton, IL 10-day weather forecast

AIR QUALITY

25 | Fair

Top Triggers:pm25
Air quality data provided by Ambee
View Today's Air Quality details for Alton, IL

POLLEN COUNT & ALLERGY FORECAST

9.6 Medium-High

Predominant Pollen:Maple, Cedar/Juniper and Alder
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:236.4 miles

No Lightning Nearby

Real-time lightning alerts & live Map