• Today

    Apr 21

    67°Lo 41°

    Partly sunny

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Tue

    Apr 22

    79°Lo 46°

    A thunderstorm in spots

    Low indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    Apr 23

    68°Lo 33°

    Sunshine and not as warm

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    Apr 24

    70°Lo 36°

    Partly sunny and breezy

    Very High indoor dust & dander levels
    • Precip
      5%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      26%
    more
  • Fri

    Apr 25

    68°Lo 38°

    Sunshine and patchy clouds

    High indoor dust & dander levels
    • Precip
      11%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Hi 67° RealFeel® 72° Precipitation 6%

Day

N

E

S

W

  • SSE 6 mph
  • Gusts: 12 mph

Partly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 41° RealFeel® 39° Precipitation 5%

Night

N

E

S

W

  • ENE 5 mph
  • Gusts: 9 mph

Clear to partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 7%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Fort Collins Pollen Levels - April 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 67° 64° N/A 61°
Low 41° 37° N/A 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:33 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:19 AM with 10:23 of moolight, then sets at 11:42 AM

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps