• Today

    Aug 21

    77°Lo 62°

    A couple of thunderstorms

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Fri

    Aug 22

    77°Lo 62°

    Partly sunny, a shower or two

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Aug 23

    77°Lo 61°

    Clouds and sun with a shower

    Moderate ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Aug 24

    79°Lo 61°

    Clouds and breaks of sun

    Moderate ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
    more
  • Mon

    Aug 25

    81°Lo 62°

    Periods of sun

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 77° RealFeel® 82° Precipitation 65%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 11 mph

Variable cloudiness with a couple of showers and a thunderstorm; humid

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.72 in
  • Rain: 0.72 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 62° RealFeel® 61° Precipitation 60%

Night

N

E

S

W

  • WSW 3 mph
  • Gusts: 4 mph

Mostly cloudy with a couple of showers, mainly early

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Alton Pollen Levels - August 21

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

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 77° 78° N/A 85°
Low 62° 59° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:42 of sunlight, then sets at 8:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:46 AM with 14:45 of moolight, then sets at 5:31 PM

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps