Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Heat dome collapse to spark thunderstorms. Get the forecast. Chevron right

Grimes, IA

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

Grimes

Iowa

71°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Grimes, IA 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

Today's Weather

Sun, Jul 5

Mostly cloudy and humid Hi: 84°

Tonight: Humid with a crystal-clear sky Lo: 67°

Current Weather

4:23 AM

71°F
RealFeel® 74°
Mostly cloudy More Details
Wind N 2 mph
Wind Gusts 4 mph
Air Quality Very Unhealthy

Looking Ahead

Thunderstorms, some heavy, late Saturday night

Grimes Weather Radar

Grimes 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

5 AM 69°
rain drop 64%
6 AM 68°
rain drop 49%
7 AM 69°
rain drop 39%
8 AM 72°
rain drop 20%
9 AM 74°
rain drop 20%
10 AM 77°
rain drop 20%
11 AM 79°
rain drop 20%
12 PM 81°
rain drop 20%
1 PM 82°
rain drop 16%
2 PM 83°
rain drop 7%
3 PM 83°
rain drop 7%
4 PM 84°
rain drop 7%

10-Day Weather Forecast

Today

7/5

84° 67°

Mostly cloudy and humid

Night: Clear and humid
25%

Mon

7/6

86° 66°

Partly sunny and humid

Clear and humid
3%

Tue

7/7

88° 66°

Partly sunny and humid

Mainly clear and humid
2%

Wed

7/8

92° 70°

Humid; an afternoon t-storm

Humid with a thunderstorm
55%

Thu

7/9

82° 67°

A shower and t-storm; humid

Humid; a t-storm around early
88%

Fri

7/10

85° 68°

Humid with partial sunshine

Mainly clear
25%

Sat

7/11

88° 70°

Less humid with plenty of sun

A crystal-clear sky
1%

Sun

7/12

91° 71°

Sunshine and very warm

Clear
1%

Mon

7/13

92° 67°

Very warm with plenty of sun

Clear
1%

Tue

7/14

90° 66°

Plenty of sunshine

Clear and humid
0%

Sun & Moon

15 hrs 06 mins
Rise 5:47 AM
Set 8:53 PM
Waning Gibbous
Rise 11:57 PM
Set 12:26 PM

Air Quality

See More
Air Quality Very Unhealthy

Health effects will be immediately felt by sensitive groups and should avoid outdoor activity. Healthy individuals are likely to experience difficulty breathing and throat irritation; consider staying indoors and rescheduling outdoor activities.

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 Moderate Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Weather Forecasts

Extreme heat to shift west into mid-July prior to return of monsoon

1 hour ago

Weather News

America 250 events are being canceled, reshaped as heat dome grips US

1 day ago

Severe Weather

Severe storms, flooding downpours to highlight collapse of heat dome

1 hour ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Philadelphia faces dangerous heat, storms for Paraguay-France match

15 hours ago

Health

CDC: 125 ill in Princess cruise ship norovirus outbreak

1 day ago

 More Stories

Featured Stories

Weather News

Texas Hill Country marks 1 year since deadly July 4 flood

1 day ago

Weather News

What is the most American animal?

2 days ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

4 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

4 days ago

Recreation

Girl survives rabid bat attack after receiving lifesaving treatment

2 days ago
World North America United States Iowa Grimes

Weather Near Grimes:

  • Ames, IA
  • Des Moines, IA
  • West Des Moines, IA
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

...

...

...