Sun Valley, Idaho Weather Conditions

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Current Conditions

  • 39°
  • Rain
  • Wind: Variable 4 mph
  • Humidity: 93%
  • Visibility: N/A
  • Dew Point: 37°
  • Pressure: 29.73 in. -
  • Heat Index: 37

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Next 12 Hours

3  am
6  am
9  am
12  pm
3  pm
Snow Showers
Snow Showers
Snow Showers
Snow Showers
Snow Showers
Snow Showers
Snow Showers
Snow Showers
Rain Showers
Rain Showers
36°
32°
30°
36°
37°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Sunday
  • Snow Showers
  • High: 37 °
  • Low: 21 °
  • Snow Showers
  • Monday
  • Chance of Snow
  • High: 43 °
  • Low: 16 °
  • Chance of Snow
  • Tuesday
  • Chance Rain
  • High: 48 °
  • Low: 30 °
  • Chance Rain
  • Wednesday
  • Chance Rain
  • High: 48 °
  • Low: 28 °
  • Chance Rain
  • Thursday
  • Partly Cloudy
  • High: 59 °
  • Low: 28 °
  • Partly Cloudy

Forecast for Sun Valley, Idaho

Updated: 3:00 AM MDT on October 26, 2014

  • Sunday

    Mostly cloudy with snow showers, then snow showers and rain showers in the afternoon. High of 37F with a windchill as low as 21F. Breezy. Winds from the WSW at 10 to 20 mph. Chance of snow 80% with accumulations up to 1 in. possible.

  • Sunday Night

    Partly cloudy with a chance of snow. Low of 21F with a windchill as low as 14F. Winds from the WSW at 10 to 15 mph. Chance of snow 30% with accumulations up to 1 in. possible.

  • Monday

    Partly cloudy with a chance of snow. High of 43F. Winds from the West at 5 to 10 mph. Chance of snow 20%.

  • Monday Night

    Partly cloudy. Low of 16F. Winds from the West at 5 to 10 mph shifting to the SSW after midnight.

  • Tuesday

    Mostly cloudy with a chance of rain. High of 48F. Winds from the SSW at 5 to 15 mph. Chance of rain 30%.

  • Tuesday Night

    Overcast with a chance of rain in the evening, then mostly cloudy with a chance of snow and a chance of rain. Low of 30F. Winds from the SSW at 5 to 10 mph. Chance of precipitation 40% .

  • Wednesday

    Mostly cloudy with a chance of rain. Fog early. High of 48F. Winds from the SW at 5 to 10 mph. Chance of rain 50%.

  • Wednesday Night

    Overcast in the evening, then mostly cloudy. Fog overnight. Low of 28F. Winds less than 5 mph.

  • Thursday

    Partly cloudy. High of 59F. Winds from the South at 5 to 10 mph.

  • Thursday Night

    Partly cloudy. Low of 28F. Winds from the SSE at 5 to 10 mph.

  • Friday

    Partly cloudy. High of 59F. Winds from the South at 5 to 10 mph.

  • Friday Night

    Partly cloudy. Low of 28F. Winds from the SSE at 5 to 10 mph.

  • Saturday

    Overcast with a chance of rain. Fog early. High of 46F. Winds from the SW at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.

  • Saturday Night

    Overcast with a chance of snow. Fog overnight. Low of 25F. Winds from the WSW at 5 to 10 mph. Chance of snow 60% with accumulations up to 1 in. possible.

  • Sunday

    Partly cloudy. High of 43F. Winds from the West at 5 to 10 mph.

  • Sunday Night

    Partly cloudy with a chance of snow. Low of 21F. Winds less than 5 mph. Chance of snow 20%.

  • Monday

    Partly cloudy. High of 41F. Winds from the SSW at 5 to 10 mph.

  • Monday Night

    Partly cloudy. Low of 25F. Winds less than 5 mph.

  • Tuesday

    Mostly cloudy with a chance of snow. High of 43F. Winds from the SSW at 5 to 10 mph. Chance of snow 40%.

  • Tuesday Night

    Overcast with a chance of snow. Fog overnight. Low of 27F. Winds less than 5 mph. Chance of snow 40% with accumulations up to 1 in. possible.

  • Wednesday

    Overcast with a chance of snow. High of 43F. Winds from the South at 5 to 10 mph. Chance of snow 40%.

  • Wednesday Night

    Clear. Fog overnight. Low of 27F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Record Report  Statement as of 01:30 am MDT on October 26, 2014


... Record high temperatures set in east Idaho...

a record high temperature of 76 degrees was set at Pocatello ID
yesterday. This breaks the old record of 75 set in 1990.

A record high temperature of 76 degrees was set at Idaho Falls ID
yesterday. This breaks the old record of 71 set in 2005.



Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: RAWS COPPER BASIN ID US, Mackay, ID

Updated: 12:50 AM MDT

Temperature: 38 °F Dew Point: 28 °F Humidity: 68% Wind: SW at 7 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 33 °F Graphs

Location: RAWS NORTH FORK ID US, Ketchum, ID

Updated: 12:39 AM MDT

Temperature: 39 °F Dew Point: 34 °F Humidity: 83% Wind: NW at 3 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 39 °F Graphs

Location: Sun Valley Resort, Sun Valley, ID

Updated: 1:41 AM MDT

Temperature: 42.6 °F Dew Point: 34 °F Humidity: 70% Wind: Calm Pressure: 29.15 in Hourly Precipitation: 0.00 in Windchill: 43 °F Graphs

Location: RAWS OHIO GULCH ID US, Hailey, ID

Updated: 12:44 AM MDT

Temperature: 46 °F Dew Point: 30 °F Humidity: 53% Wind: North at 3 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

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

Updated: 12:45 AM MDT

Temperature: 46 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: East Fork, Hailey, ID

Updated: 1:41 AM MDT

Temperature: 41.2 °F Dew Point: 32 °F Humidity: 69% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Windchill: 41 °F Graphs

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

Updated: 12:45 AM MDT

Temperature: 54 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Pocatello Idaho 
806 PM MDT Sat Oct 25 2014 


Short term...tonight through Tuesday. A second update this evening 
to add showers in the eastern Magic Valley. See previous discussion 
below. Huston 


Winds have fallen just below advisory levels across inl early this 
evening. However...a strong surface trough was deepening across NE 
Nevada and is expected to lift rapidly NE through the snake plain 
late this evening with an attending front and strong winds pushing 
through the Magic Valley and snake plain between 9 PM and 2 am. Thus 
have adjusted the current Wind Advisory to account for this 
development. 18z model runs were showing a slight threat of 
convection concomitant with the frontal passage late this evening 
and have added a mention of precipitation within the snake plain 
late this evening. See previous discussion below. Huston 


Awaiting the arrival of the next storm system which is moving 
onshore this afternoon. Winds are picking up ahead of this system 
and are higher than models suggested. Winds are reaching advisory 
levels in the Pocatello area and will issue a Wind Advisory for 
the Pocatello area until 8pm tonight. Models are indicating 
marginal Wind Advisory level winds for Sunday afternoon across 
portions of the snake plain. Given that winds are stronger today 
than models suggested...believe Wind Advisory speeds likely for 
Sunday afternoon across from the Raft River area to Pocatello to 
Arco/Idaho Falls. Also believe there will be some clearing in the 
skies across the snake plain during the afternoon because of the 
strong winds. Some areas of blowing dust is possible as well. Much 
colder air will accompany this system. Sunday high temperatures will be 
20 to 25 degrees colder than today. Still expect rain/snow showers 
across the mountains and Highlands beginning tonight and 
persisting through Sunday evening. Snow levels will be around 5500 
feet in the central mountains to around 6500 feet in the eastern 
Highlands. Warm soil temperatures will probably limit snowfall amounts. 
Therefore not expecting much snow accumulation in the 
eastern/southern Highlands on Sunday. However still expect 2 to 6 
inches from Galena Summit to the Stanley area. Drier weather will 
return for Monday and Tuesday. Valle 


Long term...Tuesday night through next Sat night. Trough passage 
expected during the early part of this time has shifted to farther 
north in its pattern...leaving probability of precipitation 10 to 15 percent lower than 
expected yesterday and both the GFS and European model (ecmwf) develop strong ridging 
during the middle part of this forecast from Wednesday through Friday. The 
European model (ecmwf) is quicker to break down this ridge on Sat/Sat night. Have 
compromised between the two solution in this divergent part...and 
had to leave some probability of precipitation in during the ridge situation to stay in 
coordination with surrounding offices. With the trough passing 
farther to the north...the wind is also not forecast to be as strong 
as previous thinking either...and temperatures stay warmer and thus 
warm more during the ridge time period...more than 10 degree f above 
normal highs for this time of year. Messick 
&& 


Aviation...mid-level ceilings to develop during the evening tonight 
with very little rain expected. Ceilings should lower to below 6000 feet 
by airdrome opening on Sun morning. Ksun is the most at risk for 
marginal VFR...but statistics say no...so have left it just above 
marginal VFR for ceilings. Should stay as all -ra event...so no impact 
to visibility. Wind will subside and shift during the late afternoon/early 
evening...then another shift during Sun morning. Wind should stay 
elevated in the three valley airports...but ksun has the trickiest 
and lowest confidence forecast for wind in that it is usual that the 
front will pass overhead and leave wind light and variable...but 
with the late night clouds and strong winds...the inversion may not 
set up and allow the atmosphere to de-couple. Messick 
&& 


Pih watches/warnings/advisories... 
Wind Advisory until 2 am MDT Sunday morning idz020-021. 
Wind Advisory from 9 PM to 2 am MDT Sunday morning idz017. 


Wind Advisory from noon to 8 PM MDT Sunday idz020-021. 
&& 


$$ 



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