• Early AM

    Mar 3

    Lo 24°

    Occasional snow and flurries

    Snow Days Weather
    • Snow
      63%
    • Ice
      50%
    • Snow
      1.07 in
    more
  • Today

    Mar 3

    38°Lo 9°

    Snow and ice, then rain

    Very Likely for a snow day
    • Snow
      53%
    • Ice
      57%
    • Snow
      0.27 in
    more
  • Wed

    Mar 4

    16°Lo -4°

    Clouds and sun; much colder

    Unlikely for a snow day
    • Snow
      7%
    • Ice
      0%
    • Snow
      0 in
  • Thu

    Mar 5

    14°Lo 2°

    Frigid with plenty of sun

    Unlikely for a snow day
    • Snow
      6%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Mar 6

    34°Lo 26°

    Partly sunny and not as cold

    Very Unlikely for a snow day
    • Snow
      11%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 12° 10° 10° 10° 12° 13° 14°
RealFeel® -4° -5° -7° -8° -6° -4° -2° -1°
Humidity 75% 75% 72% 67% 62% 59% 57% 57%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 13 NW 12 NW 13 NW 14 NW 14 WNW 15 WNW 16 WNW 16 WNW
UV Index 0 0 0 1 2 2 3 3
Cloud Cover 76% 90% 70% 70% 65% 69% 70% 70%
Dew Point
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 16° 42° N/A 27°
Low -4° 26° N/A 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:24 AM with 11:23 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:05 PM with 13:03 of moolight, then sets at 6:08 AM

Algonquin Weather Report

Chicago: Wintry Mix to Precede Harsh Cold

March 2, 2015; 4:15 PM ET

While Chicago will escape the brunt of a snowstorm moving from the Rockies to the Midwest, the city will still see some wintry precipitation early this week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Wed. Snow Day Potential