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Mountain Weather

Keystone Weather Forecast

Base: 2829m (9281ft); Upper: 3782m (12408ft)

United States Of America

DATE BASE LEVEL @ 2829m UPPER LEVEL @ 3782m MORE ELEMENTS
Day Local Time Wind Dir Wind Speed Icon Temp RH Vis Wind Dir Wind Speed Icon Temp Precip Freeze Level Cloud Amount Pressure
Units =>degmph °F%milesdegmph °FInm%mb
Wed 16
Jun
17:00

22°

671256

354°

11580.00540801018
 20:00

159°

751596

164°

13510.00527731025
 23:00

169°

746726

188°

11500.00529381027
Thu 17
Jun
02:00

186°

445696

225°

7540.00524551025
 05:00

243°

246586

289°

8540.00521431024
 08:00

287°

369286

300°

6540.00518901020
 11:00

294°

1076176

291°

15580.00529201017
 14:00

302°

1277166

302°

18600.00542901014
 17:00

24°

470266

357°

10570.00533701015
 20:00

202°

548736

189°

7500.00515581023
 23:00

184°

347676

198°

5520.00510451023
The 7 day weather forecast summary for Keystone, United States Of America:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 22°C, with a high of 25°C expected on Thursday afternoon. The average minimum temperature for the week ahead will be around 5°C, dipping to its lowest on Monday morning at 3°C. Saturday is expected to see the most precipitation with around 5mm, or about 0.2inches anticipated. The strongest wind will be felt on Tuesday afternoon, coming from the northwest, and reaching around 17mph, that's about 28km/h.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image � it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure