• Today

    Mar 1

    36°Lo 18°

    Cloudy

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

    Mar 2

    36°Lo 29°

    Variably cloudy and cold

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

    Mar 3

    53°Lo 20°

    Rain; breezy in the afternoon

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

    Mar 4

    28°Lo 12°

    Cloudy; breezy, much colder

    Low ragweed pollen levels
    • Precip
      14%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      95%
    more
  • Thu

    Mar 5

    29°Lo 15°

    Mostly sunny and very cold

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 36° RealFeel® 37° Precipitation 47%

Day

N

E

S

W

  • WNW 4 mph
  • Gusts: 9 mph

Cloudy

  • Max UV Index: 0 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0 hrs
Lo 18° RealFeel® 16° Precipitation 5%

Night

N

E

S

W

  • NNW 7 mph
  • Gusts: 10 mph

Cold; 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

St. Louis 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 36° 50° N/A 46°
Low 18° 30° N/A 25°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 11:21 of sunlight, then sets at 5:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:30 PM with 14:04 of moolight, then sets at 4:34 AM

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