Weather Report
West Yellowstone, Montana
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Current Conditions -  °F | °C
As of 12:10 AM on Friday 24 May 2013 (Local Time) from KWYS Reporting Station
Light Rain Light Rain   Feels Like: 29°
Wind Chill: 29°   Ceiling: Unl
Heat Index: 37°   Visibility: 5mi
Dew Point: 34°   Wind: 15mph
Humidity: 87%   Direction: 220° (SW)
Pressure: 29.96"   Gusts: NA
Report Text: KWYS 240610Z AUTO 22013KT 5SM -RA SCT014 SCT031 03/01 A2996 RMK AO2 P0001
1 AM
Iso T-Storms
Iso T-Storms 40°
2 AM
P Cloudy
P Cloudy 38°
3 AM
P Cloudy
P Cloudy 37°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
may
23
Iso T-Storms
Iso T-Storms
58°
30°
may
24
P Cldy/Wind
P Cldy/Wind
56°
30°
may
25
Iso T-Storms
Iso T-Storms
63°
33°
may
26
Iso T-Storms
Iso T-Storms
64°
36°
may
27
Iso T-Storms
Iso T-Storms
58°
35°
may
28
Iso T-Storms
Iso T-Storms
67°
40°
may
29
Iso T-Storms
Iso T-Storms
61°
39°
may
30
Iso T-Storms
Iso T-Storms
56°
35°
may
31
M Cloudy
M Cloudy
59°
37°
jun
01
P Cloudy
P Cloudy
61°
37°
Details for Thursday, May 23 (Evening)
Evening: Partly cloudy with a slight chance of thunderstorms. Low near 30F. Winds SW at 10 to 15 mph. Chance of rain 30%.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 6%
Snow
Cloud Coverage: 59%
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:  SW
Direction: SW (220°)
Speed: 12Mph(19Km, 10Kts)
Details for Friday, May 24
Windy with a few clouds from time to time. High 56F. Winds SSW at 15 to 25 mph.
Evening: A few clouds. Low near 30F. Winds S at 10 to 20 mph.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 10%
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:  SSW
Direction: SSW (213°)
Speed: 17Mph(28Km, 15Kts)
Details for Saturday, May 25
Partly cloudy with a stray thunderstorm. Highs in the low 60s and lows in the low 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 39%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 10%
Snow
Cloud Coverage: 43%
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:  SSW
Direction: SSW (196°)
Speed: 15Mph(24Km, 13Kts)
Details for Sunday, May 26
Isolated thunderstorms. Highs in the mid 60s and lows in the mid 30s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 8%
Snow
Cloud Coverage: 64%
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 (188°)
Speed: 9Mph(15Km, 8Kts)
Details for Monday, May 27
Partly cloudy, chance of a thunderstorm. Highs in the upper 50s and lows in the mid 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 4%
Snow
Cloud Coverage: 50%
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 (192°)
Speed: 10Mph(16Km, 9Kts)
Details for Tuesday, May 28
Partly cloudy, chance of a thunderstorm. Highs in the upper 60s and lows in the low 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 3%
Snow
Cloud Coverage: 52%
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 (204°)
Speed: 8Mph(13Km, 7Kts)
Details for Wednesday, May 29
Isolated thunderstorms. Highs in the low 60s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 77%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 4%
Snow
Cloud Coverage: 60%
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:  SSW
Direction: SSW (194°)
Speed: 10Mph(16Km, 9Kts)
Details for Thursday, May 30
Isolated thunderstorms. Highs in the mid 50s and lows in the mid 30s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 83%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 72%
Cloud Coverage
Sunrise: 5:43 AM
Sunset: 9:01 PM
 
Moonrise: 12:55 AM
Moonset: 12:06 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (223°)
Speed: 10Mph(16Km, 9Kts)
Details for Friday, May 31
More clouds than sun. Highs in the upper 50s and lows in the upper 30s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 4%
Snow
Cloud Coverage: 57%
Cloud Coverage
Sunrise: 5:43 AM
Sunset: 9:02 PM
 
Moonrise: 1:27 AM
Moonset: 1:15 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SW
Direction: SW (218°)
Speed: 9Mph(15Km, 8Kts)
Details for Saturday, June 01
Mix 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: 66%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 1%
Snow
Cloud Coverage: 57%
Cloud Coverage
Sunrise: 5:42 AM
Sunset: 9:03 PM
 
Moonrise: 1:56 AM
Moonset: 2:21 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  S
Direction: S (190°)
Speed: 8Mph(13Km, 7Kts)
Chart.
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