• Mon

    Jul 20

    81°Lo 65°

    T-storms in the afternoon

    Beneficial weather for migraines
    • Hi
      RealFeel
      86°
    • UV
      4 - Moderate
    • Cloud
      Cover
      78%
    more
  • Tue

    Jul 21

    79°Lo 66°

    Sunshine and less humid

    Migraine Headache Weather
    • Hi
      RealFeel
      81°
    • UV
      8 - Very High
    • Cloud
      Cover
      4%
  • Wed

    Jul 22

    80°Lo 68°

    Mostly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      80°
    • UV
      5 - Moderate
    • Cloud
      Cover
      71%
    more
  • Thu

    Jul 23

    84°Lo 67°

    Mostly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      84°
    • UV
      4 - Moderate
    • Cloud
      Cover
      74%
    more
  • Fri

    Jul 24

    84°Lo 66°

    Mainly cloudy

    Migraine Headache Weather
    • Hi
      RealFeel
      86°
    • UV
      5 - Moderate
    • Cloud
      Cover
      73%
    more
Next Previous
Hi 79° RealFeel® 81° Precipitation 5%

Day

N

E

S

W

  • NNE 10 mph
  • Gusts: 22 mph

Sunshine and less humid

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 65° Precipitation 10%

Night

N

E

S

W

  • ESE 5 mph
  • Gusts: 16 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 21

more Historical Weather Data >
  Today Normal Record 7/21/2014
High 79° 84° 112° (1901) 85°
Low 66° 64° 48° (1944) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:40 AM with 14:43 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:07 AM with 12:08 of moolight, then sets at 11:15 PM

Ottawa Weather Report

Chicago: Monday Night Severe Storms to Precede Cooldown

July 5, 2015; 7:04 PM ET

A turn to warmer, more humid conditions will set the stage for severe weather to target the Chicago area Monday night. more >