Ski Resort Weather

Chestnut Mountain Weather Forecast

Base: 172m (564ft); Upper: 317m (1040ft)

Illinois, United States Of America

DATE BASE LEVEL @ 172m UPPER LEVEL @ 317m 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
Fri 17
May
00:00

343°

353896

343°

4600.003271101008
 03:00

11°

352886

10°

3580.00327931008
 06:00

15°

257856

14°

2580.00330201009
 09:00

176°

369656

176°

3650.00331301009
 12:00

198°

176506

198°

1710.00331981008
 15:00

169°

378436

170°

4750.00335771007
 18:00

178°

471626

180°

5740.00338761006
 21:00

173°

460626

176°

6680.00345461007
Sat 18
May
21:00

340°

866895

344°

15690.014025261012
The 7 day weather forecast summary for Chestnut Mountain, Illinois, United States Of America:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 23°C, with a high of 27°C expected on Tuesday afternoon. The average minimum temperature for the week ahead will be around 13°C, dipping to its lowest on Thursday morning at 5°C. Tuesday is expected to see the most precipitation with around 34mm, or about 1.3inches anticipated. The strongest wind will be felt on Tuesday evening, coming from the southwest, and reaching around 22mph, that's about 36km/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