• Today

    Aug 21

    78°Lo 72°

    Heavy t-storms; mostly cloudy

    At Risk weather for arthritis pain
    • Rain
      1.64 in
    • Hours of Precip
      11.5
    • UV
      4 - Moderate
  • Fri

    Aug 22

    89°Lo 69°

    Clouds and sun with a t-storm

    At Risk weather for arthritis pain
    • Rain
      0.52 in
    • Hours of Precip
      2.5
    • UV
      6 - High
    more
  • Sat

    Aug 23

    82°Lo 67°

    Partly sunny with a t-storm

    Neutral weather for arthritis pain
    • Rain
      0.44 in
    • Hours of Precip
      3
    • UV
      5 - Moderate
    more
  • Sun

    Aug 24

    88°Lo 70°

    Very warm with clouds and sun

    Neutral weather for arthritis pain
    • Rain
      0.25 in
    • Hours of Precip
      2
    • UV
      6 - High
    more
  • Mon

    Aug 25

    89°Lo 67°

    An afternoon thunderstorm

    Neutral weather for arthritis pain
    • Rain
      0.56 in
    • Hours of Precip
      2.5
    • UV
      6 - High
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
T-storms
Cloudy
T-storms
T-storms
T-storms
T-storms
T-storms
T-storms
Temp (°F) 71° 73° 74° 75° 76° 76° 76° 77°
RealFeel® 69° 75° 79° 80° 82° 84° 82° 85°
Humidity 88% 84% 85% 86% 82% 84% 86% 96%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
66%
 
49%
 
58%
 
61%
 
69%
 
63%
 
69%
 
70%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 SW 5 NNW 6 SSE 6 NW 6 S 5 NNE 5 SE 5 SE
UV Index 1 2 3 4 4 4 3 2
Cloud Cover 88% 90% 86% 89% 95% 96% 94% 97%
Dew Point 67° 68° 69° 70° 70° 71° 71° 75°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 78° 80° N/A 90°
Low 72° 62° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:39 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:34 AM with 14:40 of moolight, then sets at 5:14 PM

Top Story

Grayslake Weather Report

Chicago: Threat of Thunderstorms Lingers After Heavy Rains Flood Wrigley Field

August 21, 2014; 12:59 PM ET

While there may be a mix of sunshine and clouds over the area, Chicago is facing more rounds of thunderstorms over the next several days. more >

Thu. Arthritis Pain

Thu. UV Index