For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

See where freezes are a concern for the Northeast, Midwest. Click here.

Mt. Vernon, IA

Location

Location News Videos

Use Current Location

Recent

Mt. Vernon

Iowa

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

Mt. Vernon, 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

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

3 PM

50°

RealFeel® 46°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Partly sunny

RealFeel Shade™41°

WindNW 17 mph

Air QualityPoor

Max UV Index5.0 (Moderate)

Wind Gusts31 mph

Humidity37%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling33000 ft

4 PM

51°

RealFeel® 47°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Partly sunny

RealFeel Shade™43°

WindNW 16 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts29 mph

Humidity36%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

50°

RealFeel® 46°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Partly sunny

RealFeel Shade™42°

WindNW 14 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts27 mph

Humidity36%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

49°

RealFeel® 44°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Partly sunny

RealFeel Shade™42°

WindNNW 12 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts23 mph

Humidity37%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

48°

RealFeel® 43°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Partly sunny

RealFeel Shade™43°

WindNNW 10 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts18 mph

Humidity39%

Indoor Humidity33% (Dry)

Dew Point24° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

44°

RealFeel® 38°

Cold

RealFeel Guide

Cold

25° to 39°

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

0%

Clear

WindNNW 9 mph

Air QualityPoor

Wind Gusts16 mph

Humidity45%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

41°

RealFeel® 36°

Cold

RealFeel Guide

Cold

25° to 39°

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

0%

Clear

WindNNW 7 mph

Air QualityFair

Wind Gusts13 mph

Humidity50%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

38°

RealFeel® 34°

Cold

RealFeel Guide

Cold

25° to 39°

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

0%

Clear

WindN 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity55%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

35°

RealFeel® 31°

Cold

RealFeel Guide

Cold

25° to 39°

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

0%

Clear

WindNNE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity60%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Mount Vernon

AccuWeather's hourly forecast for Mount Vernon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 50° with a RealFeel® of 46°, partly sunny with a 0% 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

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Cars are emerging from a massive snow pile months after winter storms

3 days ago

Winter Weather

Grab the jackets again as cold air, freezes return to the Northeast

25 minutes ago

Weather Forecasts

Storm to bring California more rain, thunder and Sierra Nevada snow

1 hour ago

Severe Weather

Renewed risk for severe thunderstorms across the Plains

37 minutes ago

Severe Weather

1st lightning death of 2026 reported after Wisconsin storm

2 days ago

Featured Stories

Astronomy

Lyrids 2026: How to see the 1st meteor shower since January

2 hours ago

Weather News

Evacuations, rescues underway as flooding continues in Wisconsin, Mich...

2 days ago

Weather News

Falling ice chunk crashes through roof, lands on living room couch

2 days ago

Weather News

7-month-old dies after being found in hot car in Tennessee

2 days ago

Weather News

114 years later: How weather helped seal the Titanic’s fate

4 days ago

World North America United States Iowa Mt. Vernon

Weather Near Mt. Vernon:

Cedar Rapids, IA
Iowa City, IA
Waterloo, 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

...

...

...