• Today

    Mar 1

    27°Lo 8°

    A bit of morning snow; cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Mar 2

    29°Lo 22°

    Cold with periods of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Mar 3

    39°Lo 8°

    A wintry mix in the morning

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Mar 4

    16°Lo -3°

    Mostly cloudy and much colder

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      76%
    more
  • Thu

    Mar 5

    17°Lo 5°

    Mostly sunny and frigid

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Snow
Snow
Snow
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 19° 16° 17° 20° 21° 23° 24° 25°
RealFeel® 21° 19° 21° 25° 26° 26° 26° 24°
Humidity 89% 99% 96% 93% 89% 86% 85% 84%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
51%
 
65%
 
65%
 
49%
 
34%
 
34%
 
29%
 
20%
Ice
 
8%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 2 NNE 1 N 1 N 1 NNW 4 NW 5 WNW 5 W 6 W
UV Index 0 0 0 1 1 1 1 1
Cloud Cover 93% 94% 94% 94% 95% 95% 95% 95%
Dew Point 16° 15° 17° 18° 19° 19° 20° 21°
Middle Grid line 30 F 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 >

Making a Forecast: The Sixth Sense

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

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps