Sun Valley, Idaho Weather Conditions

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Current Conditions

  • 21°
  • Snow
  • Wind: Calm
  • Humidity: 71%
  • Visibility: N/A
  • Dew Point: 13°
  • Pressure: 30.21 in. +

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Next 12 Hours

5  pm
8  pm
11  pm
2  am
5  am
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
Chance of Snow
32°
32°
23°
23°
19°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Sunday
  • Chance of Snow
  • High: 34 °
  • Low: 19 °
  • Chance of Snow
  • Monday
  • Snow
  • High: 34 °
  • Low: 23 °
  • Snow
  • Tuesday
  • Snow
  • High: 32 °
  • Low: 16 °
  • Snow
  • Wednesday
  • Fog
  • High: 34 °
  • Low: 14 °
  • Fog
  • Thursday
  • Chance of Snow
  • High: 37 °
  • Low: 16 °
  • Chance of Snow

Forecast for Sun Valley, Idaho

Updated: 2:00 PM MST on February 01, 2015

Winter Weather Advisory in effect from 5 PM Monday to 5 am MST Wednesday...
  • Sunday

    Overcast with a chance of snow. High of 34F. Winds less than 5 mph. Chance of snow 40%.

  • Sunday Night

    Overcast with a chance of snow. Fog overnight. Low of 19F. Winds from the SW at 5 to 10 mph. Chance of snow 60% with accumulations up to 1 in. possible.

  • Monday

    Overcast with snow. Fog early. High of 34F. Winds from the SW at 5 to 10 mph. Chance of snow 80% with accumulations up to 1 in. possible.

  • Monday Night

    Overcast with snow. Fog overnight. Low of 23F. Winds from the SW at 5 to 10 mph. Chance of snow 90% with accumulations up to 1 in. possible.

  • Tuesday

    Overcast with snow. Fog early. High of 32F. Winds from the SSW at 5 to 10 mph. Chance of snow 50%.

  • Tuesday Night

    Overcast with a chance of snow in the evening, then clear. Low of 16F. Winds less than 5 mph. Chance of snow 40% with accumulations up to 1 in. possible.

  • Wednesday

    Overcast. Fog early. High of 34F. Winds less than 5 mph.

  • Wednesday Night

    Overcast with a chance of snow. Fog overnight. Low of 14F. Winds from the South at 5 to 10 mph. Chance of snow 40% with accumulations up to 1 in. possible.

  • Thursday

    Overcast with a chance of snow and a chance of rain in the afternoon. Fog early. High of 37F with a windchill as low as 0F. Winds from the SSW at 10 to 15 mph. Chance of snow 40%.

  • Thursday Night

    Overcast with a chance of snow. Fog overnight. Low of 16F with a windchill as low as 3F. Winds from the SSW at 5 to 15 mph. Chance of snow 40% with accumulations up to 1 in. possible.

  • Friday

    Partly cloudy with a chance of snow. Fog early. High of 43F. Winds from the SSW at 10 to 15 mph. Chance of snow 70% with accumulations up to 1 in. possible.

  • Friday Night

    Clear with a chance of snow. Fog overnight. Low of 21F. Winds from the SSW at 10 to 15 mph. Chance of snow 70% with heavy snow possible.

  • Saturday

    Partly cloudy with a chance of snow. Fog early. High of 37F with a windchill as low as 5F. Winds from the WSW at 10 to 15 mph. Chance of snow 70% with heavy snow possible.

  • Saturday Night

    Partly cloudy. Low of 21F. Winds from the SSE at 5 to 10 mph.

  • Sunday

    Clear with a chance of snow. Fog early. High of 43F. Winds from the SSE at 5 to 10 mph. Chance of snow 70% with heavy snow possible.

  • Sunday Night

    Clear with a chance of snow. Fog overnight. Low of 27F with a windchill as low as 18F. Winds from the SSW at 10 to 15 mph. Chance of snow 70% with heavy snow possible.

  • Monday

    Clear. Fog early. High of 39F. Winds from the West at 5 to 10 mph.

  • Monday Night

    Clear. Low of 14F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 37F. Winds less than 5 mph.

  • Tuesday Night

    Clear. Fog overnight. Low of 12F. Winds less than 5 mph.

  • Wednesday

    Clear with a chance of rain. Fog early. High of 39F. Winds less than 5 mph. Chance of rain 30%.

  • Wednesday Night

    Clear with a chance of snow. Fog overnight. Low of 18F. Winds less than 5 mph. Chance of snow 50% with accumulations up to 4 in. possible.

  • Thursday

    Clear with a chance of snow. Fog early. High of 37F. Winds less than 5 mph. Chance of snow 30% with accumulations up to 1 in. possible.

Severe Weather Alert Descriptions

 Winter Weather Advisory  Statement as of 2:26 PM MST on February 1, 2015


... Winter Weather Advisory in effect from 5 PM Monday to 5 am MST
Wednesday...

The National Weather Service in Pocatello has issued a Winter
Weather Advisory for snow... which is in effect from 5 PM Monday
to 5 am MST Wednesday.

* Timing... Monday evening through Wednesday morning.

* Main impact... four to nine inches snow accumulation above 6000
feet elevation.

* Locations include... Stanley... Hailey... Ketchum... Sun Valley and
Galena Summit.

* Other impacts... mountain passes may become difficult for
driving.

Precautionary/preparedness actions...

A Winter Weather Advisory means that periods of snow... sleet... or
freezing rain will cause travel difficulties. Be prepared for
slippery roads and limited visibilities... and use caution while
driving.






Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: APRSWXNET Sun Valley ID US, Ketchum, ID

Updated: 2:55 PM MST

Temperature: 32 °F Dew Point: 18 °F Humidity: 56% Wind: Calm Pressure: 30.47 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Sun Valley Resort, Sun Valley, ID

Updated: 3:38 PM MST

Temperature: 32.5 °F Dew Point: 13 °F Humidity: 44% Wind: SW at 2.0 mph Pressure: 29.62 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: Sun Valley, Sun Valley, ID

Updated: 3:38 PM MST

Temperature: 33.6 °F Dew Point: 6 °F Humidity: 31% Wind: WSW at 1.3 mph Pressure: 29.99 in Hourly Precipitation: 0.00 in Windchill: 34 °F Graphs

Location: RAWS OHIO GULCH ID US, Hailey, ID

Updated: 2:44 PM MST

Temperature: 31 °F Dew Point: 12 °F Humidity: 45% Wind: South at 2 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 31 °F Graphs

Location: HADS KETCHUM RANGER STATION NEAR KETC ID US USBR, Ketchum, ID

Updated: 2:45 PM MST

Temperature: 33 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 33 °F Graphs

Location: Meadowbrook Road, Hailey, ID

Updated: 3:35 PM MST

Temperature: 35.1 °F Dew Point: 21 °F Humidity: 57% Wind: North at - Pressure: 30.10 in Hourly Precipitation: - Windchill: 35 °F Graphs

Location: MesoWest SUN VALLEY-BALD MTN (1 HOUR) ID US SNOWNET, Ketchum, ID

Updated: 3:00 PM MST

Temperature: 23 °F Dew Point: 17 °F Humidity: 75% Wind: WNW at 9 mph Pressure: 29.92 in Hourly Precipitation: 0.00 in Windchill: 13 °F Graphs

Location: East Fork, Hailey, ID

Updated: 3:38 PM MST

Temperature: 31.6 °F Dew Point: 17 °F Humidity: 55% Wind: Calm Pressure: 24.46 in Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: HADS HAILEY RANGER STATION AT HAILEY ID US USBR, Hailey, ID

Updated: 2:45 PM MST

Temperature: 33 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 33 °F Graphs

Location: MesoWest Titus Study Plot ID US UUNET, Ketchum, ID

Updated: 3:00 PM MST

Temperature: 25 °F Dew Point: - Humidity: - Wind: ENE at 2 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 25 °F Graphs

Location: MesoWest Titus Peak ID US UUNET, Ketchum, ID

Updated: 3:00 PM MST

Temperature: 21 °F Dew Point: 20 °F Humidity: 95% Wind: West at 15 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 8 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Pocatello Idaho 
154 PM MST sun Feb 1 2015 


Short term...the latest model runs have three disturbances 
embedded in westerly flow off the Pacific that in quick succession 
cross southeast Idaho. The first will come through tonight and 
early Monday...the second Monday night and the third Tuesday 
afternoon and overnight into Wednesday morning. Timing is quite 
difficult given the speed of these disturbances. Total 
precipitation as well is difficult. There could be some convective 
feedback in the models given that there have been a few lightning 
strikes today just off the coast...that could explain some widely 
varying precipitation amounts in the models. It looks like the 
second and third disturbances will bring more rain and snow than 
the first. Therefore have issued a Winter Weather Advisory for 
Monday evening through Wednesday morning for snow in the central 
mountains and the eastern Highlands. The snow amounts and snow 
levels have also been complicated by stretches of warm and cool 
air embedded in the flow. Have blended the results together and 
estimated the first disturbance tonight/Monday could bring 1 to 3 
inches above 5500 feet elevation....little accumulation at lower 
levels. Snow levels Tuesday should rise to near 600 feet. The 
second an third disturbances could bring 5 to 10 inches of snow 
above that level. The Bench areas east of Pocatello and Idaho 
Falls may see an inch or so Monday night. Receiver station 


Long term...Wednesday night through next Sun night. Fairly good agreement 
on the Wednesday night wrap-up of the winter storm starting during the 
near term period. Also...good agreement on a storm for Friday/Friday night 
by both GFS and the European model (ecmwf). Sharp differences develop for the weekend 
segment of this extended forecast. European model (ecmwf) is very dry while the GFS 
brings in the next strong and moisture-laden shortwave on Sunday. 
Have just broad-brushed the last 24 hours due to the uncertainty. 
Main focus of the precipitation will be the west side of the central 
Idaho mountains and corner where Idaho-Mt-WY all meet. Not much is 
occurring in the south end of the forecast area. The other 
remarkable thing is the warm air mass expected...high temperatures 
will be near normals for middle- to late March...and low temperatures 
very mild and more like late April. However...did not buy the 
middle-50s forecasted by the latest edition of the GFS MOS--will have 
to see if this continues and have left temperatures alone. Strong 
wind aloft could be brought down to the surface...mainly with the 
Friday/Friday night storm. Messick 


&& 


Aviation...incoming front with precipitation should break up the 
fog problem that the three plain airdromes have suffered for the 
last several days. Only kida seems to be in a position to receive 
some snow...with the other airports are either too far south where 
precipitation will be limited to the mountains. In the case of ksun 
the northwesterly flow kicks in late tonight and again most 
precipitation there is limited to mountains above The Wood River 
Valley. Thus expect kida to have the most problems with IFR mainly 
due to ceilings. Low ceilings also expected at kpih. Messick 


&& 


Pih watches/warnings/advisories... 
Winter Weather Advisory from 5 PM Monday to 5 am MST Wednesday 
idz019-023-025. 


Winter Weather Advisory from 5 PM Monday to 5 am MST Wednesday 
idz018-031. 


&& 


$$ 



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