• Today

    Apr 20

    49°Lo 37°

    Rain and drizzle in the a.m.

    At High Risk weather for arthritis pain
    • Rain
      0.01 in
    • Hours of Precip
      0.5
    • UV
      2 - Low
    more
  • Tue

    Apr 21

    53°Lo 31°

    Very windy; variable clouds

    At Risk weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
  • Wed

    Apr 22

    49°Lo 29°

    Chilly with clouds and sun

    Neutral weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      4 - Moderate
    more
  • Thu

    Apr 23

    52°Lo 31°

    Plenty of sunshine, but cool

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      7 - High
    more
  • Fri

    Apr 24

    53°Lo 34°

    Cloudy and cool

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      5 - Moderate
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 37° 39° 41° 42° 43° 45° 48° 49°
RealFeel® 26° 30° 33° 36° 37° 39° 42° 44°
Humidity 61% 57% 53% 48% 45% 42% 38% 35%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 16 WNW 16 WNW 16 WNW 16 WNW 16 WNW 17 WNW 17 WNW 16 W
UV Index 2 3 3 4 4 4 3 3
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 25° 25° 25° 24° 23° 24° 23° 23°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/22/2014
High 53° 58° N/A 57°
Low 31° 40° N/A 31°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:40 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:08 AM with 14:50 of moolight, then sets at 11:58 PM

Lake Forest Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 21, 2015; 5:17 AM ET

After a two-week stretch of above-normal temperatures, Chicago is set to fall into a chilly pattern into late this week. more >

Tue. Arthritis Pain

Tue. UV Index