Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
High risk of tropical development off US Atlantic coast. Get details Chevron right
Storms to spark on July 4th in parts of the Plains and Southeast. Click here Chevron right

Alton, IA

82°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Alton

Iowa

82°
No results found.
Try searching for a city, zip code or point of interest.
settings
Alton, IA 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

July 3 - August 16

Thu 7/3

93° /71°
2%
Mostly sunny, breezy and humid

RealFeel®97°

RealFeel Shade™92°

Max UV Index10 (Very High)

WindS 14 mph

Fri 7/4

88° /70°
40%
Mostly sunny, windy and humid; watch for a strong afternoon thunderstorm; thunderstorms can bring localized damaging wind gusts, hail and flooding downpours

RealFeel®91°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindS 17 mph

Sat 7/5

83° /61°
91%
Mainly cloudy and humid with showers and a heavier t-storm; breezy in the morning; thunderstorms can bring flooding downpours, hail and damaging wind gusts

RealFeel®88°

RealFeel Shade™84°

Max UV Index6 (High)

WindWNW 13 mph

Sun 7/6

82° /60°
5%
Mostly cloudy and less humid

RealFeel®88°

RealFeel Shade™80°

Max UV Index8 (Very High)

WindN 7 mph

Mon 7/7

82° /65°
9%
Humid with a blend of sun and clouds

RealFeel®94°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSE 2 mph

Tue 7/8

82° /63°
78%
Watch for strong afternoon thunderstorms; otherwise, watch for a strong morning thunderstorm, mostly cloudy and humid

RealFeel®91°

RealFeel Shade™86°

Max UV Index5 (Moderate)

WindE 7 mph

Wed 7/9

86° /62°
42%
A thunderstorm in spots in the morning; otherwise, humid with more clouds than sun

RealFeel®93°

RealFeel Shade™87°

Max UV Index6 (High)

WindESE 8 mph

Thu 7/10

85° /65°
38%
Mostly cloudy and humid with a strong thunderstorm in spots

RealFeel®92°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindESE 4 mph

Fri 7/11

82° /64°
72%
Variable cloudiness with a couple of thunderstorms, especially late; humid

RealFeel®94°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindS 5 mph

Sat 7/12

83° /62°
60%
Mostly cloudy and humid; occasional rain and a thunderstorm in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindNNW 5 mph

Sun 7/13

82° /63°
75%
Cloudy with rain tapering off

RealFeel®85°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindNE 7 mph

Mon 7/14

85° /64°
56%
Remaining cloudy and humid; a little rain in the morning followed by a passing shower in the afternoon

RealFeel®87°

RealFeel Shade™87°

Max UV Index2 (Low)

WindNNE 7 mph

Tue 7/15

86° /65°
8%
Partly sunny

RealFeel®89°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindNE 8 mph

Wed 7/16

85° /62°
25%
Humid with times of sun and clouds

RealFeel®88°

RealFeel Shade™85°

Max UV Index6 (High)

WindSW 12 mph

Thu 7/17

83° /61°
20%
Less humid with plenty of sunshine

RealFeel®91°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindWNW 2 mph

Fri 7/18

84° /66°
20%
Mostly cloudy and humid

RealFeel®85°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindS 9 mph

Sat 7/19

87° /66°
20%
Partly sunny and humid

RealFeel®98°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindENE 5 mph

Sun 7/20

88° /67°
25%
Humid with intervals of clouds and sunshine

RealFeel®95°

RealFeel Shade™93°

Max UV Index5 (Moderate)

WindSE 12 mph

Mon 7/21

88° /66°
20%
Mostly sunny and very humid

RealFeel®96°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindN 10 mph

Tue 7/22

83° /61°
20%
Mostly sunny and less humid

RealFeel®88°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindNNW 6 mph

Wed 7/23

80° /58°
5%
Plenty of sunshine

RealFeel®87°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindENE 4 mph

Thu 7/24

80° /63°
20%
Partly sunny

RealFeel®87°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindESE 4 mph

Fri 7/25

83° /65°
10%
Sunny

RealFeel®87°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindSSE 7 mph

Sat 7/26

84° /66°
20%
Partial sunshine

RealFeel®84°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSSE 9 mph

Sun 7/27

86° /66°
10%
Sunshine

RealFeel®87°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindS 9 mph

Mon 7/28

87° /65°
25%
Mostly cloudy

RealFeel®89°

RealFeel Shade™89°

Max UV Index4 (Moderate)

WindSSE 6 mph

Tue 7/29

87° /67°
10%
Mostly sunny

RealFeel®92°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindSSE 6 mph

Wed 7/30

88° /68°
10%
Sunny

RealFeel®88°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindS 12 mph

Thu 7/31

89° /67°
20%
Mostly sunny

RealFeel®96°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindESE 5 mph

Fri 8/1

89° /68°
5%
Sunshine

RealFeel®90°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindS 10 mph

Sat 8/2

88° /67°
25%
Mostly cloudy

RealFeel®94°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSSW 7 mph

Sun 8/3

88° /66°
5%
Humid with plenty of sunshine

RealFeel®92°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindENE 12 mph

Mon 8/4

87° /68°
25%
Clouds and limited sun

RealFeel®87°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSSW 10 mph

Tue 8/5

88° /67°
10%
Mostly sunny and humid

RealFeel®98°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindSE 2 mph

Wed 8/6

88° /65°
25%
Mostly cloudy and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindNE 9 mph

Thu 8/7

80° /64°
55%
Cloudy and not as warm with a bit of rain

RealFeel®77°

RealFeel Shade™77°

Max UV Index2 (Low)

WindNE 13 mph

Fri 8/8

78° /59°
25%
Sun followed by increasing clouds

RealFeel®76°

RealFeel Shade™76°

Max UV Index6 (High)

WindNE 8 mph

Sat 8/9

77° /57°
10%
Sunny

RealFeel®84°

RealFeel Shade™75°

Max UV Index8 (Very High)

WindNNE 4 mph

Sun 8/10

77° /59°
5%
Plenty of sun

RealFeel®84°

RealFeel Shade™76°

Max UV Index8 (Very High)

WindWSW 4 mph

Mon 8/11

83° /64°
5%
Sunshine

RealFeel®88°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindS 5 mph

Tue 8/12

85° /63°
10%
Sunny to partly cloudy

RealFeel®92°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindSSE 4 mph

Wed 8/13

84° /64°
25%
Clouds to start, then sunshine returns

RealFeel®86°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindSE 6 mph

Thu 8/14

83° /65°
25%
Increasing cloudiness and humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index7 (High)

WindSE 9 mph

Fri 8/15

80° /53°
3%
Mostly sunny

RealFeel®84°

RealFeel Shade™80°

Max UV Index8 (Very High)

WindENE 6 mph

Sat 8/16

76° /52°
25%
Mostly cloudy

RealFeel®75°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindE 8 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Storms to spark on July 4th in parts of the Plains and Southeast

7 hours ago

Weather News

Madre Fire grows to 35,000 acres, now California’s largest wildfire of...

18 minutes ago

Hurricane

High risk for tropical development off US Atlantic coast

1 hour ago

Travel

Passengers scramble out of plane in St. Louis after report of smoke

3 hours ago

Weather News

Alabama teen struck by lightning while using phone during storm

14 minutes ago

 More Stories

Featured Stories

Weather News

‘Shark Whisperer’ swims its way into our shark obsession

19 hours ago

Weather News

Endangered turtles share this Mexican beach with SpaceX rocket debris

18 hours ago

Travel

Fourth of July gas hasn’t been this cheap since 2021

1 day ago

Weather News

What makes fireworks burst with vibrant colors?

6 days ago

Health

There is no safe amount of processed meat to eat, new research shows

3 hours ago
World North America United States Iowa Alton

Weather Near Alton:

  • Norfolk, NE
  • Sioux City, IA
  • South Sioux City, NE
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
© 2025 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

...

...

...