For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Peak hurricane season is here, but will a hurricane form this year in the Atlantic? Click for details.

Alton, MO

Location

Location News Videos

Use Current Location

Recent

Alton

Missouri

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.

Have an account already? Log In

settings

Alton, MO 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

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

2 PM

93°

RealFeel® 100°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

49%

Mostly cloudy

RealFeel Shade™96°

Heat Index100°

WindNW 7 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts15 mph

Humidity48%

Indoor Humidity48% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling14200 ft

3 PM

92°

RealFeel® 100°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

55%

Thunderstorms

RealFeel Shade™98°

Heat Index106°

WindNNW 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts15 mph

Humidity63%

Indoor Humidity63% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Rain0.17 in

Visibility4 mi

Cloud Ceiling4000 ft

4 PM

89°

RealFeel® 96°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

47%

Cloudy

RealFeel Shade™94°

Heat Index97°

WindN 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts14 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling10100 ft

5 PM

87°

RealFeel® 91°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

63%

Thunderstorms

RealFeel Shade™91°

Heat Index96°

WindN 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts13 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Rain0.17 in

Visibility4 mi

Cloud Ceiling4000 ft

6 PM

84°

RealFeel® 90°

Hot

RealFeel Guide

Hot

90° to 100°

Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

49%

Cloudy

RealFeel Shade™90°

Heat Index90°

WindWNW 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling17200 ft

7 PM

81°

RealFeel® 86°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

44%

Cloudy

RealFeel Shade™86°

Heat Index85°

WindW 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts10 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling20800 ft

8 PM

78°

RealFeel® 83°

Very Warm

RealFeel Guide

Very Warm

82° to 89°

Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.

34%

Mostly clear

WindN 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Mostly clear

WindNNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

75°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Mostly clear

WindNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Partly cloudy w/ t-storms

WindNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Rain0.05 in

Visibility5 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Alton

AccuWeather's hourly forecast for Alton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 93° with a RealFeel® of 100°, mostly cloudy with a 49% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Will 2026 go down with no Atlantic hurricanes?

9 hours ago

Climate

August 2026 ties record for hottest month ever on Earth

2 hours ago

Hurricane

No Atlantic hurricanes by Sept. 12 would break a 60-year record

5 hours ago

Weather Forecasts

9/11 anniversary weather: Friday’s forecast compared with 2001

1 hour ago

Weather Forecasts

Heat to bake California as waves hammer coastline this week

9 hours ago

Featured Stories

Hurricane

Former Hurricane Marie surf opens massive Malibu sinkhole

1 day ago

Hurricane

Hurricane Lowell swipes Hawaii, knocking out power to Kaua'i

1 day ago

Weather News

Spotted lanternflies have spread to 22 states: ‘They’re here to stay’

2 days ago

Recreation

Strong winds ground helicopter as hikers await rescue on Utah mountain

1 day ago

Recreation

Alligator attacks child swimming in restricted Florida waters

1 day ago

World North America United States Missouri Alton

Weather Near Alton:

Nixa, MO
Ozark, MO
Springfield, 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

...

...

...