• Early AM

    Apr 21

    Lo 35°

    Clearing

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    Apr 21

    57°Lo 32°

    Partly sunny; windy, warmer

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

    Apr 22

    54°Lo 31°

    Sunny, windy and cool

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    Apr 23

    59°Lo 34°

    Plenty of sun

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      0%
    more
  • Fri

    Apr 24

    61°Lo 38°

    A thick cloud cover

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      95%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
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Forecast
Mostly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Partly Cloudy
Mostly Sunny
Sunny
Temp (°F) 40° 40° 37° 35° 37° 40° 42° 41°
RealFeel® 32° 32° 28° 24° 26° 28° 30° 31°
Humidity 78% 76% 82% 88% 79% 68% 61% 64%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 10 WSW 10 WSW 12 WSW 13 WSW 14 WSW 15 WSW 16 WSW 15 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 85% 100% 83% 66% 51% 39% 27% 8%
Dew Point 33° 33° 32° 32° 31° 30° 29° 29°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 57° 64° 91° (1987) 74°
Low 32° 40° 29° (1988) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:35 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:25 AM with 14:41 of moolight, then sets at 11:06 PM

Peru Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 21, 2015; 2:17 AM ET

After a two-week stretch of above-normal temperatures, Chicago is set to fall into a chilly pattern into late this week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps