• Early AM

    Apr 20

    Lo 40°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Apr 20

    61°Lo 35°

    Mostly sunny and windy

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

    Apr 21

    68°Lo 42°

    Milder with sun and clouds

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

    Apr 22

    73°Lo 41°

    A shower in the afternoon

    Moderate indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      79%
    more
  • Wed

    Apr 23

    52°Lo 35°

    Cooler with a shower or two

    Low indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      97%
    more
Next Previous
Hi 68° RealFeel® 71° Precipitation 0%

Day

N

E

S

W

  • SE 6 mph
  • Gusts: 9 mph

Milder with sun and clouds

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 42° RealFeel® 37° Precipitation 8%

Night

N

E

S

W

  • SE 7 mph
  • Gusts: 11 mph

Cloudy

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Great Falls 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 68° 61° N/A 28°
Low 42° 36° N/A 23°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:54 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 AM with 9:30 of moolight, then sets at 10:43 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