• Today

    Mar 1

    28°Lo 9°

    A little morning snow; cloudy

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

    Mar 2

    27°Lo 23°

    Cold with periods of sun

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

    Mar 3

    38°Lo 8°

    A wintry mix changing to rain

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

    Mar 4

    14°Lo -5°

    Mostly cloudy and much colder

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      76%
    more
  • Thu

    Mar 5

    14°Lo 5°

    Mostly sunny and frigid

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 28° RealFeel® 29° Precipitation 55%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 14 mph

A little snow at times this morning, accumulating a coating to an inch; otherwise, cloudy and cold

  • Max UV Index: 2 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0.02 in
  • Rain: 0 in
  • Snow: 0.3 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 0 hrs
Lo 9° RealFeel® 2° Precipitation 0%

Night

N

E

S

W

  • W 9 mph
  • Gusts: 15 mph

Frigid; plenty of clouds this evening, then partly cloudy late

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

Peru Pollen Levels - March 1

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Mar 1

more Historical Weather Data >
  Today Normal Record 3/1/2014
High 28° 41° 65° (2004) 30°
Low 23° (1962) 12°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 11:16 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:21 PM with 14:14 of moolight, then sets at 4:35 AM

Peru Weather Report

Chicago: Snow Looms for Late Weekend as Cold Air Lingers

March 1, 2015; 3:14 AM ET

The Chicago area will continue to endure a cold air into late in the weekend as the next round of snow could hit the region on Sunday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps