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NowCast ZoneCast Warnings/Advisories Hourly Track Special Radar
Loudoun County, Virginia  Lat: 39.08N, Lon: 77.64W
Wx Zone: VAZ042 ICAO Used: KJYO
Hourly Forecast (Based on Model for KJYO):
GFS ETAMOS NGMMOS
Currently:
Updated: 10:00 PM EDT
Hourly Forecast:
Updated: SEP 07 2010 08:00 EDT
12 Hour View 
SEP 7
10:00 PM
Time (EDT) SEP 07
10:00 PM
SEP 07
11:00 PM
SEP 08
12:00 AM
SEP 08
1:00 AM
SEP 08
2:00 AM
SEP 08
3:00 AM
SEP 08
4:00 AM
Fair Weather
Conditions
Fair Clouds Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
79 Temperature
(°F)
77 75 74 73 72 71 70
- Precipitation
Type
- - - - - Rain Rain
- Chance of
Precip
7% 7% 7% 7% 7% 21% 21%
61 Dewpoint
(°F)
61 62 62 62 62 62 61
54% Relative
Humidity
58% 64% 66% 68% 71% 73% 73%
S Wind
Direction
S S S SSE SW SW SW
7 Wind Speed
(mph)
04 4 04 04 4 04 02
- Ceiling Height
(ft)
10.00 Visibility
(mi.)
10 10 10 10 10 10 10
** Indicates missing data/values from model statistics

  Loudoun County Weather
US Forecasts are Public Domain and derived from the
National Weather Service - (IWIN) and the National Oceanic Atmospheric Administration (NOAA)
Canadian forecasts are obtained from and are copyright of Environment Canada.