• Today

    Mar 1

    27°Lo 8°

    A bit of morning snow; cloudy

    Unlikely for a snow day
    • Snow
      50%
    • Ice
      4%
    • Snow
      0.20 in
  • Mon

    Mar 2

    29°Lo 22°

    Cold with periods of sun

    Very Unlikely for a snow day
    • Snow
      13%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Mar 3

    39°Lo 8°

    A wintry mix in the morning

    Very Likely for a snow day
    • Snow
      51%
    • Ice
      51%
    • Snow
      0.08 in
    more
  • Wed

    Mar 4

    16°Lo -3°

    Mostly cloudy and much colder

    Possibly for a snow day
    • Snow
      11%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Mar 5

    17°Lo 5°

    Mostly sunny and frigid

    Possibly for a snow day
    • Snow
      3%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Snow
Cloudy
Snow
Cloudy
Temp (°F) 17° 16° 17° 18° 19° 16° 17° 20°
RealFeel® 18° 20° 22° 22° 21° 22° 22° 26°
Humidity 92% 92% 92% 92% 89% 99% 96% 93%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
15%
 
19%
 
43%
 
47%
 
51%
 
43%
 
51%
 
47%
Ice
 
12%
 
12%
 
12%
 
12%
 
8%
 
0%
 
0%
 
0%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 E 2 NNE 1 N 1 N 2 NNE 0 1 N 1 NNW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 87% 88% 93% 94% 93% 93% 93% 93%
Dew Point 15° 14° 15° 16° 16° 15° 17° 18°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 27° 41° 65° (2004) 30°
Low 23° (1962) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 11:16 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:21 PM with 14:14 of moolight, then sets at 4:35 AM

Peru Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

March 1, 2015; 3:14 AM 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 >

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

Sun. Snow Day Potential