• Today

    Apr 18

    50°Lo 24°

    Mostly cloudy with showers

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Apr 19

    55°Lo 30°

    Sunny to partly cloudy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    55°Lo 25°

    Mostly sunny and mild

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    60°Lo 32°

    Mild with clouds and sun

    High indoor dust & dander levels
    • Precip
      2%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      47%
    more
  • Tue

    Apr 22

    57°Lo 30°

    Mostly cloudy, showers around

    High indoor dust & dander levels
    • Precip
      77%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      78%
    more
Next Previous
Hi 50° RealFeel® 48° Precipitation 65%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 24 mph

Mostly cloudy with showers

  • Max UV Index: 6 (High)
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 24° RealFeel® 26° Precipitation 3%

Night

N

E

S

W

  • SW 2 mph
  • Gusts: 10 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

West Yellowstone Pollen Levels - April 18

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 50° 47° N/A 40°
Low 24° 21° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:38 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 8:55 AM

Is it a Cold or the Flu?

Apr 7, 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?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps