Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Explosive storm to impact 200 million, to evolve into blizzard in Midwest. Get the forecast. Chevron right
2 dead after tornadoes tear through Illinois, Indiana. Get the details. Chevron right

Ottawa, IL

46°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ottawa

Illinois

46°
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.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Ottawa, IL 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 WinterCast

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

WinterCast

1 - 3 in

Sun, 3/15, 9:00 PM - Mon, 3/16, 10:00 AM

Snow

4 PM

49°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™40°

WindSW 15 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts28 mph

Humidity40%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling33400 ft

5 PM

48°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™38°

WindSSW 15 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts27 mph

Humidity40%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

46°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™37°

WindSSW 16 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts27 mph

Humidity42%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

45°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindS 16 mph

Air QualityFair

Wind Gusts28 mph

Humidity48%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

44°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

WindS 13 mph

Air QualityFair

Wind Gusts25 mph

Humidity53%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling9600 ft

9 PM

44°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

WindS 15 mph

Air QualityFair

Wind Gusts27 mph

Humidity55%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling9600 ft

10 PM

44°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 29%
Chevron down
Cloudy

WindS 17 mph

Air QualityFair

Wind Gusts27 mph

Humidity56%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling9600 ft

11 PM

43°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindS 20 mph

Air QualityFair

Wind Gusts28 mph

Humidity57%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling10600 ft

Further Ahead

Tomorrow

Saturday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Explosive March storm to impact 200 million, feature Midwest blizzard

1 hour ago

Severe Weather

Severe weather outbreak turns deadly with EF3 tornado, record hail

6 hours ago

Severe Weather

Grapefruit-sized hailstone may set state record

1 day ago

Climate

What to know about the potential for a super El Niño later this year

4 hours ago

Weather Forecasts

Storms to dump heavy rain, snow on Washington as California bakes

1 hour ago

 More Stories

Featured Stories

Winter Weather

Nine states had their warmest winter ever recorded

1 day ago

Weather News

'Doomsday fish' rescued after washing ashore in Mexico

2 hours ago

Recreation

'Quicksand alert' issued at National Park Service site

1 day ago

Severe Weather

Why nighttime tornadoes are 2.5 times more deadly

2 days ago

Health

Produce from nation’s largest supplier contains ‘forever’ pesticides

21 hours ago
World North America United States Illinois Ottawa

Weather Near Ottawa:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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

...

...

...