• Tue

    May 19

    70°Lo 46°

    Times of sun and clouds

    Stargazing Weather
    • Cloud
      Cover
      94%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Wed

    May 20

    66°Lo 46°

    Plenty of clouds

    Stargazing Weather
    • Cloud
      Cover
      74%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Thu

    May 21

    66°Lo 46°

    Cloudy with a little rain

    Stargazing Weather
    • Cloud
      Cover
      96%
    • Precip
      25%
    • Hours of Precip
      1.5
  • Fri

    May 22

    61°Lo 46°

    Rain

    Stargazing Weather
    • Cloud
      Cover
      75%
    • Precip
      55%
    • Hours of Precip
      7.5
    more
  • Sat

    May 23

    67°Lo 46°

    Times of clouds and sun

    Stargazing Weather
    • Cloud
      Cover
      84%
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 66° RealFeel® 68° Precipitation 55%

Day

N

E

S

W

  • ENE 6 mph
  • Gusts: 16 mph

Considerable clouds with a little rain

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 46° RealFeel® 50° Precipitation 25%

Night

N

E

S

W

  • NE 5 mph
  • Gusts: 15 mph

Considerable clouds

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

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2014
High 66° 66° 93° (1980) 75°
Low 46° 40° 30° (2009) 39°

Solunar Information for Great Falls, MT

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:41 AM with 15:22 of sunlight, then sets at 9:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:07 AM with 15:07 of moolight, then sets at 12:14 AM

Sat, Apr 25
First
Mon, May 4
Full
Mon, May 11
Last
Mon, May 18
New

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.