• Early AM

    May 1

    Lo 47°

    Drizzle

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    May 1

    58°Lo 44°

    Showers around this afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    May 2

    62°Lo 42°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    May 3

    71°Lo 49°

    Breezy with some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    May 4

    61°Lo 42°

    Partly sunny with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Showers
Cloudy
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Temp (°F) 48° 47° 47° 47° 48° 49° 51° 53°
RealFeel® 42° 40° 42° 41° 42° 46° 47° 50°
Humidity 87% 90% 92% 96% 92% 88% 81% 78%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
37%
 
40%
 
38%
 
40%
 
44%
 
39%
 
34%
 
37%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 9 ENE 9 NE 8 NE 8 NE 8 NE 8 NE 9 NE 9 NE
UV Index 0 0 0 0 0 0 1 1
Cloud Cover 94% 94% 94% 94% 94% 94% 94% 94%
Dew Point 44° 45° 45° 45° 46° 46° 45° 46°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 58° 68° 90° (1952) 70°
Low 44° 46° 29° (1918) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:02 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:46 AM with 11:11 of moolight, then sets at 1:57 PM

Ottawa Weather Report

Chicago: Warmup to follow cool, damp weekend

May 1, 2016; 12:29 AM ET

Following a cool and rainy weekend, warmer conditions will arrive in the Chicago area early next week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps