• Today

    Apr 18

    74°Lo 52°

    Some sun, then turning cloudy

    Beneficial weather for migraines
    • Hi
      RealFeel
      75°
    • UV
      5 - Moderate
    • Cloud
      Cover
      80%
    more
  • Sun

    Apr 19

    64°Lo 47°

    Downpours; breezy and cooler

    Neutral weather for migraines
    • Hi
      RealFeel
      61°
    • UV
      2 - Low
    • Cloud
      Cover
      95%
    more
  • Mon

    Apr 20

    59°Lo 38°

    Spotty morning showers

    Beneficial weather for migraines
    • Hi
      RealFeel
      55°
    • UV
      6 - High
    • Cloud
      Cover
      74%
    more
  • Tue

    Apr 21

    58°Lo 37°

    Windy with periods of sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      53°
    • UV
      6 - High
    • Cloud
      Cover
      46%
  • Wed

    Apr 22

    55°Lo 36°

    Breezy with clouds and sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      51°
    • UV
      5 - Moderate
    • Cloud
      Cover
      65%
    more
Next Previous
Hi 58° RealFeel® 53° Precipitation 8%

Day

N

E

S

W

  • W 25 mph
  • Gusts: 40 mph

Windy with intervals of clouds and sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 37° RealFeel® 28° Precipitation 14%

Night

N

E

S

W

  • W 13 mph
  • Gusts: 26 mph

Clear and chilly

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 58° 65° 88° (1987) 64°
Low 37° 42° 25° (1904) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:35 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:24 AM with 14:40 of moolight, then sets at 11:04 PM

Ottawa Weather Report

Chicago: Rain to Span Second Half of Weekend

April 18, 2015; 5:11 AM ET

The second half of the weekend will see a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Tue. Migraine Headache

Tue. UV Index