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

St. Jacob, IL

30°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Jacob

Illinois

30°
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
St. Jacob, 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
Friday, March 6

Day

3/6
39°Hi
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
RealFeel Shade™ 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
Decreasing clouds and cold

Max UV Index4.0 (Moderate)

WindNW 14 mph

Wind Gusts27 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover43%

Night

3/6
19°Lo
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Partly cloudy and cold

WindNW 7 mph

Wind Gusts22 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover62%

Sun & Moon

11 hrs 33 mins
Rise 6:24 AM
Set 5:57 PM
Waning Gibbous
Rise 9:35 PM
Set 8:04 AM

Temperature History

3/6
High
Low
Forecast
39°
19°
Average
54°
32°
Last Year
50°
27°
Record
85°
2009
-3°
1960

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Northeast braces for coldest weekend of winter with snow for some

7 hours ago

Winter Weather

Florida growers battle rare freeze, threatening crops

1 day ago

Winter Weather

Frigid air eases in second week of February for Midwest, East

7 hours ago

Winter Weather

New Jersey firefighter dies after falling into frozen Delaware River

7 hours ago

Winter Weather

‘Like a bomb went off:’ ESPN's Kirk Herbstreit describes ice storm dam...

2 days ago

 More Stories

Featured Stories

Astronomy

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

13 hours ago

Recreation

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

13 hours ago

Weather News

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

1 day ago

Winter Weather

Body recovered from frozen Potomac River in Washington, D.C.

1 day ago

Winter Weather

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

2 days ago
World North America United States Illinois St. Jacob

Weather Near St. Jacob:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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

...

...

...