West Yellowstone, Montana
Current Conditions -  °F | °C
As of 11:30 AM on Tuesday 16 Sep 2014 (Local Time) from KWYS Reporting Station
Clear Clear  
Wind Chill: 15°   Ceiling: Unl
Heat Index: 15°   Visibility: 10mi
Dew Point:   Wind: 0mph
Humidity: 36%   Direction: NA
Pressure: 30.25"   Gusts: NA
Location:  44.66°N, 111.1°W
Report Text: KWYS 161730Z AUTO 00000KT 10SM CLR 15/00 A3025 RMK AO2
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 21° - Lo 4°
12 PM
P Cloudy
P Cloudy
18°
1 PM
P Cloudy
P Cloudy
20°
2 PM
P Cloudy
P Cloudy
20°
3 PM
M Cloudy
M Cloudy
21°
4 PM
P Cloudy
P Cloudy
21°
5 PM
P Cloudy
P Cloudy
21°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
sep
16
P Cloudy
P Cloudy
21°
sep
17
M Sunny
M Sunny
25°
sep
18
Iso T-Storms
Iso T-Storms
23°
sep
19
Sct T-Storms
Sct T-Storms
19°
sep
20
Sunny
Sunny
22°
sep
21
Sunny
Sunny
23°
sep
22
Sunny
Sunny
23°
sep
23
Sunny
Sunny
22°
sep
24
M Sunny
M Sunny
22°
sep
25
M Sunny
M Sunny
24°
Details for Tuesday, September 16
Sunshine and clouds mixed. A stray afternoon thunderstorm is possible. High around 70F. Winds WSW at 10 to 15 mph.
Evening: A stray thunderstorm is possible throughout the evening. Partly cloudy skies. Low 39F. Winds light and variable.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 37%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 53%
Cloud Coverage
Sunrise: 7:04 AM
Sunset: 7:33 PM
 
Moonrise: 12:06 AM
Moonset: 3:09 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  W
Direction: W (260°)
Speed: 11Mph(17Km, 12Kts)
Details for Wednesday, September 17
Generally sunny despite a few afternoon clouds. A stray shower or thunderstorm is possible. High 77F. Winds SSW at 5 to 10 mph.
Evening: Partly cloudy skies. A stray shower or thunderstorm is possible. Low 43F. Winds light and variable.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 48%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 7:05 AM
Sunset: 7:31 PM
 
Moonrise: 12:58 AM
Moonset: 3:53 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  SSW
Direction: SSW (210°)
Speed: 10Mph(15Km, 11Kts)
Details for Thursday, September 18
Partly cloudy, chance of a thunderstorm. Highs in the mid 70s and lows in the low 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 41%
Cloud Coverage
Sunrise: 7:07 AM
Sunset: 7:29 PM
 
Moonrise: 1:52 AM
Moonset: 4:31 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (205°)
Speed: 14Mph(23Km, 17Kts)
Details for Friday, September 19
A few thunderstorms possible. Highs in the upper 60s and lows in the mid 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 7:08 AM
Sunset: 7:27 PM
 
Moonrise: 2:48 AM
Moonset: 5:05 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (241°)
Speed: 11Mph(17Km, 12Kts)
Details for Saturday, September 20
Mainly sunny. Highs in the low 70s and lows in the mid 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 53%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 4%
Cloud Coverage
Sunrise: 7:09 AM
Sunset: 7:25 PM
 
Moonrise: 3:45 AM
Moonset: 5:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (228°)
Speed: 6Mph(10Km, 7Kts)
Details for Sunday, September 21
Abundant sunshine. Highs in the low 70s and lows in the mid 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 7%
Cloud Coverage
Sunrise: 7:10 AM
Sunset: 7:23 PM
 
Moonrise: 4:43 AM
Moonset: 6:04 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (135°)
Speed: 5Mph(8Km, 6Kts)
Details for Monday, September 22
Mainly sunny. Highs in the low 70s and lows in the mid 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 7:11 AM
Sunset: 7:22 PM
 
Moonrise: 5:41 AM
Moonset: 6:32 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (212°)
Speed: 6Mph(10Km, 7Kts)
Details for Tuesday, September 23
Mainly sunny. Highs in the low 70s and lows in the upper 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 49%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 7:13 AM
Sunset: 7:20 PM
 
Moonrise: 6:40 AM
Moonset: 6:59 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (216°)
Speed: 7Mph(11Km, 8Kts)
Details for Wednesday, September 24
More sun than clouds. Highs in the low 70s and lows in the low 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 46%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 19%
Cloud Coverage
Sunrise: 7:14 AM
Sunset: 7:18 PM
 
Moonrise: 7:40 AM
Moonset: 7:27 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SSW
Direction: SSW (213°)
Speed: 9Mph(14Km, 10Kts)
Details for Thursday, September 25
Mostly sunny. Highs in the mid 70s and lows in the upper 30s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
Cloud Coverage
Sunrise: 7:15 AM
Sunset: 7:16 PM
 
Moonrise: 8:40 AM
Moonset: 7:57 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WSW
Direction: WSW (239°)
Speed: 7Mph(12Km, 8Kts)
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