• Tonight

    May 29

    Lo 60°

    Clear

    Asthma Weather
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Air Qual.
      Good
  • Mon

    May 30

    83°Lo 59°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Tue

    May 31

    82°Lo 63°

    An afternoon thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Wed

    Jun 1

    76°Lo 55°

    A couple of thunderstorms

    At Risk weather for asthma
    • Hi
      RealFeel
      83°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Thu

    Jun 2

    73°Lo 51°

    Clouds breaking for some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
6pm
7pm 8pm 9pm 10pm 11pm Mon
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Clear
Clear
Clear
Clear
Clear
Temp (°F) 78° 76° 74° 71° 69° 67° 66° 65°
RealFeel® 76° 73° 72° 69° 67° 65° 64° 64°
Humidity 51% 52% 53% 61% 63% 67% 72% 74%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
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0%
Snow
 
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Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 10 WSW 9 WSW 8 WSW 7 WSW 6 WSW 5 WSW 5 WSW 5 W
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 19% 15% 12% 8% 5% 3% 1% 0%
Dew Point 59° 57° 56° 57° 56° 56° 57° 56°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 29

more Historical Weather Data >
  Today Normal Record 5/29/2015
High 79° 71° N/A 81°
Low 60° 51° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:19 AM with 15:02 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:22 AM with 11:26 of moolight, then sets at 12:48 PM

Grayslake Weather Report

Chicago: Cooler, less humid conditions to arrive by Thursday

May 29, 2016; 6:19 PM ET

After a warm start to the week, cooler and less humid conditions will arrive by the end of the week across the Chicago area. more >

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index