• Tonight

    Sep 20

    Lo 58°

    A thunderstorm in spots late

    Migraine Headache Weather
    • Hi
      RealFeel
      76°
    • UV
      4 - Moderate
    • Cloud
      Cover
      66%
  • Sun

    Sep 21

    63°Lo 46°

    Clouds breaking and cooler

    Neutral weather for migraines
    • Hi
      RealFeel
      60°
    • UV
      4 - Moderate
    • Cloud
      Cover
      63%
    more
  • Mon

    Sep 22

    66°Lo 48°

    Sunshine and patchy clouds

    Beneficial weather for migraines
    • Hi
      RealFeel
      70°
    • UV
      5 - Moderate
    • Cloud
      Cover
      25%
    more
  • Tue

    Sep 23

    70°Lo 50°

    Mostly sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      5 - Moderate
    • Cloud
      Cover
      11%
    more
  • Wed

    Sep 24

    73°Lo 51°

    A full day of sunshine

    Beneficial weather for migraines
    • Hi
      RealFeel
      74°
    • UV
      5 - Moderate
    • Cloud
      Cover
      10%
    more
Next Previous
Next 8 hours >
  Sat
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Mostly Clear
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 63° 63° 62° 62° 62° 62° 62° 62°
RealFeel® 57° 57° 57° 56° 57° 56° 56° 56°
Humidity 68% 71% 73% 75% 76% 78% 78% 79%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
2%
 
5%
 
5%
 
6%
 
7%
 
7%
 
11%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 11 SSW 11 SSW 10 SSW 11 SSW 11 SSW 12 SSW 11 SSW 11 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 5% 3% 29% 70% 90% 91% 90% 89%
Dew Point 52° 53° 53° 54° 55° 55° 55° 56°
Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 76° 73° 91° (1931) 76°
Low 58° 52° 36° (1991) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:16 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:14 AM with 13:44 of moolight, then sets at 4:58 PM

Top Story

Arlington Heights Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 20, 2014; 4:28 AM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

Sat. Migraine Headache

Sat. UV Index