Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Dangerous storm prompts evacuations, flood danger for California. Get the latest. Chevron right
Snowstorm looms for Northeast on Friday, Saturday. Get the forecast. Chevron right

Johnston, IA

37°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Johnston

Iowa

37°
No results found.
Try searching for a city, zip code or point of interest.
settings
Johnston, 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

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

4 AM

38°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 45%
Chevron down
Showers
alerts

Dense Fog Advisory

7:05 PM Wednesday - 9:00 AM Thursday

WindNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity95%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover77%

Visibility0.41 mi

Cloud Ceiling10000 ft

5 AM

37°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Fog
alerts

Dense Fog Advisory

7:05 PM Wednesday - 9:00 AM Thursday

WindNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity96%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility0.40 mi

Cloud Ceiling30000 ft

6 AM

37°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 35%
Chevron down
Fog
alerts

Dense Fog Advisory

7:05 PM Wednesday - 9:00 AM Thursday

WindENE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity97%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility0.30 mi

Cloud Ceiling30000 ft

7 AM

40°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Fog
alerts

Dense Fog Advisory

7:05 PM Wednesday - 9:00 AM Thursday

WindE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity89%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility0.50 mi

Cloud Ceiling200 ft

8 AM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 37%
Chevron down
Fog
alerts

Dense Fog Advisory

7:05 PM Wednesday - 9:00 AM Thursday

RealFeel Shade™35°

WindE 7 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts9 mph

Humidity90%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility0.50 mi

Cloud Ceiling400 ft

9 AM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Showers

RealFeel Shade™35°

WindE 7 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity91%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility0.25 mi

Cloud Ceiling500 ft

10 AM

41°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 36%
Chevron down
Fog

RealFeel Shade™36°

WindESE 8 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts12 mph

Humidity92%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility1.00 mi

Cloud Ceiling500 ft

11 AM

43°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 32%
Chevron down
Fog

RealFeel Shade™36°

WindESE 9 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts13 mph

Humidity91%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility2 mi

Cloud Ceiling500 ft

12 PM

43°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 32%
Chevron down
Fog

RealFeel Shade™37°

WindSE 10 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts14 mph

Humidity90%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility4 mi

Cloud Ceiling500 ft

1 PM

44°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 32%
Chevron down
Cloudy

RealFeel Shade™38°

WindSE 10 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts15 mph

Humidity89%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1000 ft

2 PM

45°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 32%
Chevron down
Cloudy

RealFeel Shade™38°

WindESE 10 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts16 mph

Humidity88%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1400 ft

3 PM

45°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 32%
Chevron down
Cloudy

RealFeel Shade™39°

WindESE 10 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts16 mph

Humidity86%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling1900 ft

4 PM

44°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™37°

WindESE 10 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts17 mph

Humidity91%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1800 ft

5 PM

43°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 37%
Chevron down
Cloudy

WindESE 10 mph

Air QualityPoor

Wind Gusts17 mph

Humidity92%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1800 ft

6 PM

43°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Showers

WindESE 10 mph

Air QualityPoor

Wind Gusts15 mph

Humidity92%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1700 ft

7 PM

43°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

WindESE 9 mph

Air QualityPoor

Wind Gusts14 mph

Humidity94%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1200 ft

8 PM

43°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindESE 8 mph

Air QualityPoor

Wind Gusts12 mph

Humidity94%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling700 ft

9 PM

43°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindESE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity94%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling200 ft

10 PM

43°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindESE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity93%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling2000 ft

11 PM

43°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindESE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity93%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling2000 ft

Further Ahead

Tomorrow

Saturday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Dangerous storm to flood California through Christmas

1 hour ago

Winter Weather

Late-week snowstorm looms for part of Northeast, including NYC

1 hour ago

Weather News

State of emergency issued in Southern California as storm blasts state

12 hours ago

Winter Weather

Arctic blast to bring waves of dangerous cold to Midwest, Northeast

1 hour ago

Weather Forecasts

Warmest Christmas on record likely in part of US

1 hour ago

 More Stories

Featured Stories

Recreation

Hiker’s body recovered from California's tallest mountain after storms

18 hours ago

Recreation

Big Bend National Park asks visitors to stop treating it like a ‘trash...

20 hours ago

Astronomy

The upsidedown moon: Why the moon looks odd on the other side of the w...

1 day ago

Weather News

NPS seeking tips to help find missing 26-year-old woman

2 days ago

Astronomy

These are the top 3 astronomy stories of 2025

2 days ago
World North America United States Iowa Johnston

Weather Near Johnston:

  • 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 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 | Data Sources

...

...

...