• Sun

    May 17

    79°Lo 60°

    An afternoon shower

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      70%
    more
  • Mon

    May 18

    71°Lo 54°

    A little afternoon rain

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      34%
    more
  • Tue

    May 19

    71°Lo 56°

    A little afternoon rain

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
  • Wed

    May 20

    72°Lo 56°

    Periods of rain

    Ragweed Pollen Weather
    • Precip
      72%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      67%
  • Thu

    May 21

    71°Lo 57°

    Spotty morning showers

    Ragweed Pollen Weather
    • Precip
      60%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      61%
    more
Next Previous
Hi 72° RealFeel® 81° Precipitation 72%

Day

N

E

S

W

  • NE 4 mph
  • Gusts: 8 mph

Periods of rain

  • Max UV Index: 7 (High)
  • Thunderstorms: 14%
  • Precipitation: 0.6 in
  • Rain: 0.6 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 8 hrs
  • Hours of Rain: 8 hrs
Lo 56° RealFeel® 55° Precipitation 75%

Night

N

E

S

W

  • E 5 mph
  • Gusts: 8 mph

Cloudy with rain ending, then a leftover shower

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2014
High 72° 68° N/A 83°
Low 56° 46° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:44 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:50 AM with 14:49 of moolight, then sets at 10:39 PM

Crystal Lake Weather Report

Chicago: Weekend Warmth to Last Into Early Week

May 3, 2015; 1:27 AM ET

The month of May has opened the door for warm air to flow into the Chicago area following a cool end to April. more >