• Today

    Apr 18

    55°Lo 34°

    A shower this afternoon

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

    Apr 19

    64°Lo 41°

    Pleasant and warmer

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

    Apr 20

    62°Lo 34°

    Mostly sunny and windy

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

    Apr 21

    65°Lo 41°

    Mild with clouds and sun

    High indoor dust & dander levels
    • Precip
      2%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Tue

    Apr 22

    69°Lo 42°

    An afternoon shower possible

    Moderate indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      78%
    more
Next Previous
Hi 55° RealFeel® 48° Precipitation 50%

Day

N

E

S

W

  • WSW 19 mph
  • Gusts: 42 mph

Breezy with times of clouds and sun; a passing shower this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 34° RealFeel® 24° Precipitation 3%

Night

N

E

S

W

  • SW 11 mph
  • Gusts: 29 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

Great Falls Pollen Levels - April 18

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 55° 60° N/A 53°
Low 34° 35° N/A 21°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 13:47 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 8:47 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