Weather Report
West Yellowstone, Montana
RSS Print Email
Current Conditions -  °F | °C
As of 12:55 AM on Tuesday 21 May 2013 (Local Time) from KWYS Reporting Station
Clear Clear   Feels Like: 32°
Wind Chill: 32°   Ceiling: Unl
Heat Index: 32°   Visibility: 10mi
Dew Point: 28°   Wind: 3mph
Humidity: 87%   Direction: 260° (W)
Pressure: 30.18"   Gusts: NA
Report Text: KWYS 210655Z AUTO 26003KT 10SM CLR 00/M02 A3018 RMK AO2
2 AM
Clear
Clear 32°
3 AM
Clear
Clear 31°
4 AM
Clear
Clear 30°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
mon tue wed thu fri sat sun mon tue wed
may
20
Clear
Clear
52°
29°
may
21
M Sunny
M Sunny
61°
34°
may
22
Iso T-Storms
Iso T-Storms
62°
37°
may
23
Iso T-Storms
Iso T-Storms
64°
34°
may
24
P Cloudy
P Cloudy
55°
31°
may
25
P Cloudy
P Cloudy
67°
36°
may
26
P Cloudy
P Cloudy
70°
38°
may
27
P Cloudy
P Cloudy
62°
37°
may
28
P Cloudy
P Cloudy
62°
38°
may
29
M Cloudy
M Cloudy
62°
38°
Details for Monday, May 20 (Evening)
Evening: Mainly clear. Low 29F. Winds light and variable.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 4%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 5:51 AM
Sunset: 8:52 PM
 
Moonrise: 3:52 PM
Moonset: 3:00 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ENE
Direction: ENE (59°)
Speed: 3Mph(4Km, 2Kts)
Details for Tuesday, May 21
Generally sunny despite a few afternoon clouds. A stray shower or thunderstorm is possible. High 61F. Winds SSE at 10 to 15 mph.
Evening: A few clouds from time to time. Low 34F. Winds SE at 5 to 10 mph.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 8%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 5:50 AM
Sunset: 8:53 PM
 
Moonrise: 5:02 PM
Moonset: 3:29 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSE
Direction: SSE (163°)
Speed: 11Mph(18Km, 9Kts)
Details for Wednesday, May 22
Partly cloudy with a stray thunderstorm. Highs in the low 60s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 51%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 5%
Snow
Cloud Coverage: 54%
Cloud Coverage
Sunrise: 5:49 AM
Sunset: 8:54 PM
 
Moonrise: 6:14 PM
Moonset: 4:02 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (174°)
Speed: 15Mph(24Km, 13Kts)
Details for Thursday, May 23
Partly cloudy with a stray thunderstorm. Highs in the mid 60s and lows in the mid 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 3%
Snow
Cloud Coverage: 62%
Cloud Coverage
Sunrise: 5:48 AM
Sunset: 8:55 PM
 
Moonrise: 7:28 PM
Moonset: 4:40 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  SSW
Direction: SSW (204°)
Speed: 12Mph(20Km, 10Kts)
Details for Friday, May 24
Partly cloudy. Highs in the mid 50s and lows in the low 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:56 PM
 
Moonrise: 8:40 PM
Moonset: 5:24 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  S
Direction: S (188°)
Speed: 14Mph(23Km, 12Kts)
Details for Saturday, May 25
Times of sun and clouds. Highs in the upper 60s and lows in the mid 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 32%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:57 PM
 
Moonrise: 9:48 PM
Moonset: 6:18 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  S
Direction: S (191°)
Speed: 12Mph(20Km, 10Kts)
Details for Sunday, May 26
Mix of sun and clouds. Highs in the low 70s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 3%
Snow
Cloud Coverage: 52%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:58 PM
 
Moonrise: 10:47 PM
Moonset: 7:20 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  S
Direction: S (190°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, May 27
Times of sun and clouds. Highs in the low 60s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:59 PM
 
Moonrise: 11:37 PM
Moonset: 8:28 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSW
Direction: SSW (197°)
Speed: 10Mph(16Km, 9Kts)
Details for Tuesday, May 28
Mix of sun and clouds. Highs in the low 60s and lows in the upper 30s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 9:00 PM
 
Moonrise: 11:59 PM
Moonset: 9:41 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SSW
Direction: SSW (201°)
Speed: 8Mph(13Km, 7Kts)
Details for Wednesday, May 29
Mostly cloudy. Highs in the low 60s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 2%
Snow
Cloud Coverage: 57%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 9:00 PM
 
Moonrise: 12:19 AM
Moonset: 10:54 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  S
Direction: S (191°)
Speed: 8Mph(13Km, 7Kts)
Chart.
More from Intellicast
Weather Center
Weather Alerts Weather Alerts
Current National Weather Service Watches and Warnings by type and state throughout the United States.
Hurricane Tracking Ski & Snow
The Ski & Snow Section is where you can get the latest ski resort conditions and snow forecasts.
Advertisement
At Last! Intellicast now available for iPhone and Android
Send this page to a friendClose
Your Name:
Your E-mail Address:

Friend's E-mail Address: