• Tonight

    May 21

    Lo 42°

    A couple of thunderstorms

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate

  • Wed

    May 22

    60°Lo 37°

    Colder with a shower or two

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

  • Thu

    May 23

    70°Lo 46°

    Warmer with clouds and sun

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

  • Fri

    May 24

    72°Lo 43°

    Clouds and breaks of sun

    Very High indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      70%
    more

  • Sat

    May 25

    78°Lo 48°

    Intervals of clouds and sun

    Very High indoor dust & dander levels
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 66° RealFeel® 64° Precipitation 80%

Day

N

E

S

W

  • SW 10 mph
  • Gusts: 18 mph

Mostly cloudy and cooler with a brief shower or two

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.33 in
  • Rain: 0.33 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs
Lo 42° RealFeel® 35° Precipitation 75%

Night

N

E

S

W

  • SW 10 mph
  • Gusts: 24 mph

Partly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.41 in
  • Rain: 0.41 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5 hrs
  • Hours of Rain: 5 hrs

Prosser Pollen Levels - May 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 66° 77° 94° (1958) 68°
Low 42° 54° 36° (2010) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:20 AM with 15:12 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:40 PM with 10:55 of moolight, then sets at 3:35 AM

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps