• Today

    Jul 31

    81°Lo 58°

    A thunderstorm in spots

    Beneficial weather for arthritis pain
    • Rain
      0.08 in
    • Hours of Precip
      1
    • UV
      7 - High
  • Fri

    Aug 1

    81°Lo 58°

    A t-storm in the afternoon

    Beneficial weather for arthritis pain
    • Rain
      0.12 in
    • Hours of Precip
      1.5
    • UV
      7 - High
    more
  • Sat

    Aug 2

    81°Lo 55°

    Some sun with a thunderstorm

    Beneficial weather for arthritis pain
    • Rain
      0.20 in
    • Hours of Precip
      1.5
    • UV
      7 - High
    more
  • Sun

    Aug 3

    82°Lo 60°

    Partly sunny and pleasant

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

    Aug 4

    82°Lo 62°

    A thunderstorm possible

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      7 - High
    more
Next Previous
Hi 81° RealFeel® 83° Precipitation 40%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 14 mph

Sunshine mixing with clouds with a shower or thunderstorm in spots this afternoon

  • Max UV Index: 7 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 58° RealFeel® 57° Precipitation 40%

Night

N

E

S

W

  • SSW 3 mph
  • Gusts: 8 mph

A shower or thunderstorm in spots this evening; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 81° 81° N/A 74°
Low 58° 60° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:29 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:18 AM with 12:01 of moolight, then sets at 10:19 PM

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Crystal Lake Weather Report

Late-Week Thunderstorms in Store for Chicago

July 31, 2014; 2:58 AM ET

Thunderstorms will move into the Chicago area later this week, and the threat for storms will remain into the weekend. more >

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Thu. Arthritis Pain

Thu. UV Index