Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Northeast braces for coldest weekend of winter. See how low temps will plunge. Chevron right

Flat Rock, IL

25°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Flat Rock

Illinois

25°
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
Flat Rock, 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 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, March 9

Day

3/9
52°Hi
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
RealFeel Shade™ 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Rain, beginning after temperatures rise above freezing

Max UV Index1.0 (Low)

WindSSW 17 mph

Wind Gusts32 mph

Probability of Precipitation62%

Probability of Thunderstorms0%

Precipitation0.34 in

Rain0.34 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover99%

Night

3/9
40°Lo
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Rain

WindWSW 15 mph

Wind Gusts30 mph

Probability of Precipitation63%

Probability of Thunderstorms0%

Precipitation0.37 in

Rain0.37 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover99%

Sun & Moon

11 hrs 39 mins
Rise 6:12 AM
Set 5:51 PM
Waning Gibbous
Rise --
Set 8:56 AM

Temperature History

3/9
High
Low
Forecast
52°
40°
Average
52°
33°
Last Year
59°
31°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Coldest weekend of the winter to grip Northeast; Subzero temperatures

20 minutes ago

Winter Weather

Cold drives heating demand as utility rate hikes impacts millions

1 day ago

Winter Weather

New Jersey firefighter dies after falling into frozen Delaware River

1 day ago

Weather Forecasts

Cold to pull back in eastern U.S. during week two, three of February

20 minutes ago

Winter Weather

Flying snow, ice are injuring drivers: In some states, it can cost you

1 day ago

 More Stories

Featured Stories

Winter Weather

Ice on the Hudson River visible from space

1 day ago

Astronomy

6 planets, moon will align in February, but there's a catch

2 days ago

Recreation

Death Valley seeks tips after illegal off-roading damages rare plants

2 days ago

Weather News

Teen swam hours to get help for family swept out to sea

3 days ago

Winter Weather

Snow piles nearly 7 feet high as deadly storms bury northern Japan

4 days ago
World North America United States Illinois Flat Rock

Weather Near Flat Rock:

  • Terre Haute, IN
  • Vincennes, IN
  • Washington, IN
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

...

...

...