• Today

    Apr 1

    72°Lo 54°

    Sunny, breezy and warmer

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

    Apr 2

    65°Lo 43°

    A couple of thunderstorms

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

    Apr 3

    48°Lo 25°

    Colder with rain

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

    Apr 4

    55°Lo 41°

    Sunny and breezy

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      4%
    more
  • Sun

    Apr 5

    62°Lo 44°

    Clearing and warmer

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      52%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
2am
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  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Sunny
Sunny
Temp (°F) 42° 41° 41° 40° 38° 39° 44° 50°
RealFeel® 42° 41° 40° 40° 39° 36° 39° 46°
Humidity 86% 88% 88% 89% 92% 91% 75% 63%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
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0%
 
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0%
Snow
 
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0%
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 5 S 5 S 5 S 4 S 4 S 6 S 9 S 10 S
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 0% 25% 25% 20% 16% 12% 8% 4%
Dew Point 38° 38° 37° 37° 36° 37° 37° 37°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 1

more Historical Weather Data >
  Today Normal Record 4/1/2014
High 72° 56° 85° (1946) 50°
Low 54° 35° 17° (1899) 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:41 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:57 PM with 12:44 of moolight, then sets at 5:41 AM

Ottawa Weather Report

Chicago: Cool, Dry After Midweek Warmth

April 1, 2015; 5:08 AM ET

After mild conditions bring on a thunderstorm threat at midweek, cooler air will infiltrate the Chicago area. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps