For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Upper Alton, IL

33°F

Location

Location News Videos

Use Current Location

Recent

Upper Alton

Illinois

No results found.

Try searching for a city, zip code or point of interest.

Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.

Have an account already? Login

settings

Upper Alton, IL Weather

Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Hourly

Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

1 PM

35°

RealFeel® 26°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Sunny

RealFeel Shade™23°

WindWNW 15 mph

Air QualityExcellent

Max UV Index2.3 (Low)

Wind Gusts22 mph

Humidity49%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling33400 ft

2 PM

37°

RealFeel® 26°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Mostly sunny

RealFeel Shade™23°

WindWNW 16 mph

Air QualityExcellent

Max UV Index1.9 (Low)

Wind Gusts25 mph

Humidity48%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

38°

RealFeel® 27°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Mostly sunny

RealFeel Shade™25°

WindWNW 16 mph

Air QualityExcellent

Max UV Index1.4 (Low)

Wind Gusts28 mph

Humidity45%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

36°

RealFeel® 25°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Mostly sunny

RealFeel Shade™25°

WindW 14 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts24 mph

Humidity48%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

33°

RealFeel® 23°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

0%

Mostly clear

WindW 12 mph

Air QualityFair

Wind Gusts21 mph

Humidity54%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

30°

RealFeel® 21°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

0%

Mostly clear

WindW 10 mph

Air QualityFair

Wind Gusts18 mph

Humidity60%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

29°

RealFeel® 25°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Clear

WindWSW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity65%

Indoor Humidity29% (Very Dry)

Dew Point18° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

28°

RealFeel® 23°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

0%

Clear

WindSW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity69%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

26°

RealFeel® 21°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

0%

Clear

WindSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity73%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

27°

RealFeel® 22°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

0%

Clear

WindSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity71%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

28°

RealFeel® 22°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

0%

Clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity69%

Indoor Humidity30% (Dry)

Dew Point19° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Tuesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Two coastal storms could deliver snow to parts of Northeast this week

1 hour ago

Winter Weather

Plunging temps, snow signal return of typical January winter weather

1 hour ago

Astronomy

NASA to bring Crew-11 astronauts home early after medical issue aboard...

1 day ago

Weather Forecasts

Heavy rain, snowmelt to raise flood risk from Alaska to Washington

1 hour ago

Winter Weather

Storm Goretti sweeps United Kingdom, France with winds over 120 mph

2 days ago

Featured Stories

Astronomy

Newly discovered asteroid spins at record-breaking speed

2 days ago

Astronomy

Meteor showers 2026: The best nights to see shooting stars

3 days ago

Waves in the sky? Rare clouds dazzle in California

LATEST ENTRY

Kelvin-Helmholtz wave clouds appear in California

1 day ago

Weather News

Families face complex challenges 1 year after Eaton, Palisades fires

4 days ago

Astronomy

Hubble telescope spots ‘failed’ starless galaxy known as Cloud 9

4 days ago

World North America United States Illinois Upper Alton

Weather Near Upper Alton:

O'Fallon, MO
St. Charles, MO
St. Louis, MO

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.

Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...