• Early AM

    Feb 28

    Lo -3°

    Frigid

    Common Cold Weather
    • Avg
      Temp
    • Avg
      RealFeel
    • Hi
      RealFeel
      13°
    more
  • Today

    Feb 28

    20°Lo 13°

    Very cold

    At Risk weather for colds
    • Avg
      Temp
      17°
    • Avg
      RealFeel
      14°
    • Hi
      RealFeel
      19°
    more
  • Sun

    Mar 1

    28°Lo 9°

    Cloudy, a bit of snow; cold

    At High Risk weather for colds
    • Avg
      Temp
      19°
    • Avg
      RealFeel
      10°
    • Hi
      RealFeel
      23°
  • Mon

    Mar 2

    27°Lo 22°

    Cold with sun, then clouds

    Neutral weather for colds
    • Avg
      Temp
      25°
    • Avg
      RealFeel
      24°
    • Hi
      RealFeel
      35°
    more
  • Tue

    Mar 3

    39°Lo 14°

    Wintry mix to rain

    At High Risk weather for colds
    • Avg
      Temp
      27°
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      30°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Snow
Snow
Cloudy
Snow
Snow
Snow
Cloudy
Cloudy
Temp (°F) 21° 23° 23° 24° 26° 27° 28° 26°
RealFeel® 17° 19° 21° 20° 21° 21° 23° 21°
Humidity 75% 74% 74% 76% 75% 73% 72% 77%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
51%
 
58%
 
49%
 
59%
 
63%
 
62%
 
49%
 
49%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 S 6 S 6 S 7 S 7 SSW 7 SSW 7 SSW 7 SW
UV Index 1 1 1 1 1 1 1 0
Cloud Cover 95% 95% 95% 95% 95% 95% 95% 95%
Dew Point 14° 16° 16° 18° 19° 19° 20° 20°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 28° 38° N/A 27°
Low 23° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 11:14 of sunlight, then sets at 5:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:13 PM with 14:18 of moolight, then sets at 4:31 AM

Lake Forest Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

February 27, 2015; 4:24 PM ET

The Chicago area will continue to endure a cold air into late in the weekend as the next round of snow could hit the region on Sunday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Cold & Flu

Sun. UV Index