• Today

    Sep 16

    66°Lo 43°

    Mostly sunny and warmer

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

    Sep 17

    70°Lo 47°

    Partly sunny and pleasant

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

    Sep 18

    71°Lo 49°

    Sunny and pleasant

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

    Sep 19

    76°Lo 59°

    Pleasant with periods of sun

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      46%
    more
  • Sat

    Sep 20

    79°Lo 61°

    A couple of p.m. t-storms

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      79%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 44° 43° 43° 43° 47° 52° 59° 63°
RealFeel® 44° 44° 43° 44° 48° 55° 64° 70°
Humidity 87% 89% 89% 89% 88% 78% 68% 62%
   
  4am 5am 6am 7am 8am 9am 10am 11am
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%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 1 SW 2 SSW 2 SSW 2 SSW 2 SSW 2 SW 2 SW 2 SW
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 11% 11% 11% 11% 26% 26% 26% 26%
Dew Point 40° 40° 40° 41° 43° 45° 48° 50°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 70° 76° 97° (1927) 74°
Low 47° 53° 31° (1937) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:25 of sunlight, then sets at 7:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:35 AM with 14:38 of moolight, then sets at 3:13 PM

Top Story

Ottawa Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 16, 2014; 9:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps