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Sun Valley, ID

Current Radar Forecast Warnings
NWS: Winter Storm Warning
22.8°F / -5.1°C
Windchill: 23°F / -5°C
Humidity: 48%
Dew Point: 6°F / -14°C
Wind: WNW at 0.0 mph / 0.0 km/h
Wind Gust: 7.0 mph / 11.3 km/h
Pressure: 29.43 in / 996.5 hPa (Rising)
Visibility: 10.0 miles / 16.1 kilometers
Clouds: (SKC) : -
Yesterday's Maximum: 55°F / 12°C
Yesterday's Minimum: 20°F / -6°C
UV: 0.0 out of 16
Sunrise:7:39 AM MST
Sunset:5:06 PM MST
Moon Rise:11:49 AM MST
Moon Set:9:23 PM MST
Moon Phase Waxing Crescent
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METAR KSUN 220054Z 00000KT 10SM SKC M02/M11 A2999
As of: 6:13 PM MST on November 21, 2009
Observed at: Sun Valley Resort, Sun Valley, ID

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Forecast

Current Radar Forecast Warnings
Tomorrow is forecast to be Warmer than today.
Winter Storm Warning in effect from 5 am to 5 PM MST Sunday...
Tonight
Mostly cloudy. In the mountains...a slight chance of snow after midnight. Colder. Lows 12 to 22.
Sunday
Snow in the morning...then snow showers likely in the afternoon. Snow accumulation of 3 to 7 inches. Highs 27 to 36.
Sunday Night
Mostly cloudy. In the valleys...a chance of snow showers in the evening...then a slight chance of snow showers after midnight. In the mountains...a chance of snow showers. Little or no snow accumulation. Storm total snow accumulation of 3 to 8 inches. Lows 6 to 15.
Monday
Partly sunny. A slight chance of snow showers in the mountains. Highs 27 to 34.
Monday Night
Mostly cloudy. A slight chance of snow in the mountains. Lows 16 to 23.
Tuesday
Partly sunny. Highs 34 to 41.
Tuesday Night through Thanksgiving Day
Partly cloudy. Lows 17 to 27. Highs 37 to 47.
Thursday Night
Increasing clouds. A slight chance of rain showers and snow showers. Lows 20 to 28.
Friday
Partly sunny with a chance of snow and rain. Highs 34 to 42.
Friday Night
Mostly cloudy with a chance of snow and a slight chance of rain. Lows 18 to 25.
Saturday
Partly sunny with a chance of snow. Highs 34 to 41.
As of: 2:00 PM MST on November 21, 2009

Scientific Forecaster Discussion

Warnings & Notices

Current Radar Forecast Warnings

Winter Storm Warning

Expires 5:00 PM MST on November 22, 2009
Statement as of 11:52 am MST on November 21, 2009

... Winter Storm Warning in effect from 5 am to 5 PM MST Sunday...

The National Weather Service in Pocatello has issued a Winter
Storm Warning for snow and blowing snow... which is in effect
from 5 am to 5 PM MST Sunday.

A Pacific storm system will spread into the central Idaho
mountains late tonight and Sunday morning. Storm total snowfall of
up to 10 inches is expected in the mountains with 3 to 6 inches
possible in the valleys. Brisk west winds will also accompany the
storm producing areas of blowing and drifting snow with visibility
reduced to 1/4 mile or less at times.

Precautionary/preparedness actions...

A Winter Storm Warning means significant amounts of snow are
expected. Strong winds are also possible. This will make travel
very hazardous or impossible.





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