• Today

    May 1

    39°Lo 21°

    A little morning snow

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

    May 2

    48°Lo 25°

    A thunderstorm in spots

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

    May 3

    54°Lo 28°

    Partly sunny

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

    May 4

    57°Lo 32°

    Mostly sunny

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

    May 5

    60°Lo 34°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 39° RealFeel® 40° Precipitation 69%

Day

N

E

S

W

  • E 10 mph
  • Gusts: 28 mph

A bit of morning snow, accumulating a coating to an inch; otherwise, mostly cloudy and cold

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 14%
  • Precipitation: 0.03 in
  • Rain: 0 in
  • Snow: 0.4 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 0 hrs
Lo 21° RealFeel® 25° Precipitation 25%

Night

N

E

S

W

  • S 2 mph
  • Gusts: 7 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Grand Lake Pollen Levels - May 1

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - May 1

more Historical Weather Data >
  Today Normal Record 5/1/2015
High 39° 47° N/A N/A
Low 21° 20° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 13:58 of sunlight, then sets at 8:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:55 AM with 11:15 of moolight, then sets at 2:10 PM

Grand Lake Weather Report

PHOTOS: Late-April snowstorm extends Colorado ski season into early May

May 1, 2016; 1:19 PM ET

A late-April snowstorm dumped over a foot of heavy, wet snow across parts of Colorado on Thursday into Friday, boosting snowpack for an extended ski season at local resorts. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps