• Today

    Sep 18

    66°Lo 52°

    Mostly sunny and pleasant

    Beneficial weather for migraines
    • Hi
      RealFeel
      69°
    • UV
      5 - Moderate
    • Cloud
      Cover
      32%
  • Fri

    Sep 19

    72°Lo 61°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      5 - Moderate
    • Cloud
      Cover
      46%
    more
  • Sat

    Sep 20

    81°Lo 60°

    A t-storm in the afternoon

    Beneficial weather for migraines
    • Hi
      RealFeel
      79°
    • UV
      4 - Moderate
    • Cloud
      Cover
      78%
    more
  • Sun

    Sep 21

    72°Lo 51°

    Clouds breaking; not as warm

    Beneficial weather for migraines
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Cloud
      Cover
      54%
    more
  • Mon

    Sep 22

    67°Lo 50°

    Times of clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      68°
    • UV
      4 - Moderate
    • Cloud
      Cover
      50%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 65° 64° 62° 59° 57° 56° 55° 54°
RealFeel® 65° 63° 59° 56° 55° 55° 54° 54°
Humidity 62% 65% 70% 76% 82% 85% 87% 87%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
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0%
Snow
 
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Ice
 
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 6 NE 6 NE 5 NE 5 NE 4 NE 3 NE 2 NE 2 NE
UV Index 3 1 0 0 0 0 0 0
Cloud Cover 10% 10% 10% 10% 10% 10% 10% 10%
Dew Point 52° 52° 52° 51° 51° 52° 51° 51°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 66° 74° N/A 80°
Low 52° 55° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:21 of sunlight, then sets at 6:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:23 AM with 14:28 of moolight, then sets at 3:51 PM

Top Story

Prospect Heights Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 18, 2014; 6:12 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 >

Thu. Migraine Headache

Thu. UV Index