Alton, IL Weather

As of

Weather Station:Alton High School

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45degrees Fahrenheit

Feels like:43°F

Hi: 57Lo: 45

Clear

Live Weather Radar

Alton, IL weather radar map

Current Weather Details

Windchill
43°
Daily Rain
0"
Dew point
29°
Monthly Rain
1.43"
Humidity
54%
Avg. Wind
ENE 4 mph
Pressure
30.07" →
Wind Gust
ENE 4 mph
Sunrise
6:34 AM
Moon
Waxing Gibbous
Sunset
5:52 PM
UV Index
4 (Moderate)

Weather Forecast

  • Tonight

    Lo

    Clear. Low temperature around 45F. Dew point will be around 31F with an average humidity of 63%. Winds will be 4 mph from the N.

  • Tomorrow

    Hi

    Mostly sunny. A chance of rain this afternoon. Cooler with highs in the mid 60s. East winds 5 to 10 mph with gusts up to 20 mph becoming south this afternoon. Chance of rain 40 percent.

Alton, IL 10-day weather forecast

AIR QUALITY

23 | Fair

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

POLLEN COUNT & ALLERGY FORECAST

5.6 Medium

Predominant Pollen:Elm and Cedar/Juniper
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:333.7 miles

No Lightning Nearby

Real-time lightning alerts & live Map