Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rounds of severe thunderstorms threaten central U.S. See the forecast. Chevron right

Upper Alton, IL

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Upper Alton

Illinois

71°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Upper Alton, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

Today

Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Wind Advisory

Today's Weather

Thu, Apr 2

Cloudy, windy and warmer with a couple of showers and thunderstorms, heaviest late in the day; thunderstorms can bring hail and damaging winds Hi: 74°

Tonight: Breezy this evening; low clouds and a stray thunderstorm Lo: 58°

Current Weather

10:27 AM

71°F
RealFeel® 68°
Mostly cloudy More Details
RealFeel Shade™ 66°
Wind S 10 mph
Wind Gusts 23 mph
Air Quality Fair

Looking Ahead

Thunderstorms, some strong, late this morning through this afternoon; storms can bring hail and damaging winds

Upper Alton Weather Radar

Upper Alton Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

11 AM 69°
rain drop 49%
12 PM 70°
rain drop 49%
1 PM 70°
rain drop 54%
2 PM 72°
rain drop 40%
3 PM 73°
rain drop 34%
4 PM 74°
rain drop 40%
5 PM 72°
rain drop 75%
6 PM 71°
rain drop 49%
7 PM 68°
rain drop 75%
8 PM 69°
rain drop 40%
9 PM 67°
rain drop 34%
10 PM 66°
rain drop 37%

10-Day Weather Forecast

Today

4/2

74° 58°

Heavy thunderstorms

Night: A stray t-storm; breezy early

97%

Fri

4/3

80° 54°

A thunderstorm; breezy, humid

Cloudy, heavy t-storms; humid

55%

Sat

4/4

59° 39°

A little morning rain; cooler

Mainly clear

55%

Sun

4/5

57° 40°

Mostly sunny and breezy

Clear

6%

Mon

4/6

59° 34°

Mostly sunny

Partly cloudy and chilly

18%

Tue

4/7

51° 40°

Partly sunny and cool

Partly cloudy; breezy late

0%

Wed

4/8

65° 51°

Clouds yielding to sun

Partly cloudy, showers around

13%

Thu

4/9

67° 47°

Some brightening

Clearing

10%

Fri

4/10

70° 54°

Times of clouds and sun

Partly cloudy

5%

Sat

4/11

68° 54°

Sun through high clouds

A shower early, then rain

11%

Sun & Moon

12 hrs 41 mins
Rise 6:44 AM
Set 7:25 PM
Waning Gibbous
Rise 8:23 PM
Set 7:07 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Low Data is not supported in this location

Top Stories

Severe Weather

Daily severe weather includes risk of tornadoes for central U.S.

5 hours ago

Weather News

A magnitude 4.6 earthquake shakes central California awake

2 hours ago

Live Blog

Artemis II liftoff: Astronauts embark on first crewed moon flyby since...

LATEST ENTRY

What a relief: Orion toilet issue fixed as astronauts settle in for first day in space

58 minutes ago

Weather Forecasts

Pre-Easter forecast: Warmth in East, Western states cool ahead of anot...

5 hours ago

Weather News

Florida baby becomes first US hot car death this year

20 hours ago

More Stories

Featured Stories

Climate

Colorado towns enact water restrictions as drought forecast looks grim

2 days ago

AccuWeather Ready

Essential spring gardening tips, and when to watch for frost

23 hours ago

Why Easter moves around each year

2 days ago 0:31

Weather News

Heat wave: Most record highs since 1951, hottest March in 7 states

2 days ago

Health

Kids may be more likely to get the new ‘Cicada’ variant of Covid-19

1 hour 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 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 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

...

...

...