Merrifield, VA

12:01 AM EST on February 14, 2012 (GMT -0500)
Elev: 341 ft
Lon: 77.2° W
Lat: 38.9° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground midday recap for Monday, February 13, 2012. A storm raced out of the Rockies and into the Plains on Monday, producing a good shot of Winter weather in the Plains and Mississippi Valley. Winter Weather Advisories were posted from eastern Oklahoma through the western Tennessee Valley in anticipation of several inches of new snow. Snow fell as far north as Minnesota and Michigan, but lighter snow was reported the farther north you went. In the warmer air closer to the Gulf Coast, rain fell in Louisiana and Mississippi.

Wet weather also greeted the West Coast as a Pacific storm slammed into California. This storm lacked a tremendous amount of moisture, but it has been a very dry Winter for the state thus far, and any precipitation is very much welcomed. Up to a foot of new snow is possible from this storm in the higher elevations of the Sierra Nevadas when all is said and done.

The East Coast was dry as a high pressure continued to dominate, but the region experienced another chilly day. By the afternoon, temperatures were still in the 20s and 30s for many areas in New England, while temperatures in the 30s were experience as far south as Arkansas. Morning temperatures were in the 20s in northern Florida.

The Northern Plains rose into the 20s and 30s, while the Northwest saw temperatures in the 30s and 40s. The Southwest rose into the 40s, 50s, and some 60s.
Weather Underground midday recap for Monday, February 13, 2012. A storm raced out of the Rockies and into the Plains on Monday, producing a good shot of Winter weather in the Plains and Mississippi Valley. Winter Weather Advisories were posted from eastern Oklahoma through the western Tennessee Valley in anticipation of several inches of new snow. Snow fell as far north as Minnesota and Michigan, but lighter snow was reported the farther north you went. In the warmer air closer to the Gulf Coast, rain fell in Louisiana and Mississippi.

Wet weather also greeted the West Coast as a Pacific storm slammed into California. This storm lacked a tremendous amount of moisture, but it has been a very dry Winter for the state thus far, and any precipitation is very much welcomed. Up to a foot of new snow is possible from this storm in the higher elevations of the Sierra Nevadas when all is said and done.

The East Coast was dry as a high pressure continued to dominate, but the region experienced another chilly day. By the afternoon, temperatures were still in the 20s and 30s for many areas in New England, while temperatures in the 30s were experience as far south as Arkansas. Morning temperatures were in the 20s in northern Florida.

The Northern Plains rose into the 20s and 30s, while the Northwest saw temperatures in the 30s and 40s. The Southwest rose into the 40s, 50s, and some 60s.
Merrifield Weather at a Glance
Updated 12:01 AM EST
Elevation
413 ft
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Now
Overcast
Overcast
Temperature
39.6 °F
Feels Like 40 °F
Wind(mph)
0.0
Sunrise / Set
7:02 AM
5:44 PM
Moon
Waning Gibbous
Tonight
Mostly Cloudy 27 °F
Mostly Cloudy
Tuesday
Chance Rain 49 °F
Chance Rain
30% chance of precipitation
Tuesday Night
Chance of Rain 34 °F
Chance of Rain
20% chance of precipitation
Wednesday
Partly Cloudy 52 | 34 °F
Partly Cloudy
Thursday
Chance of Rain 45 | 38 °F
Chance of Rain
60% chance of precipitation
Friday
Partly Cloudy 49 | 31 °F
Partly Cloudy
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
30.08 in
Visibility
10.0 miles
Clouds
Overcast 13000 ft
Moisture
Humidity
41%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KDCA 140452Z 00000KT 10SM OVC130 04/M04 A3010 RMK AO2 SLP193 T00441044 401001044
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Weather Radio
Temperature
Windchill
40 °F
Dew Point
18 °F
Wind
Speed / Dir
Calm
Wind Gust
3.0 mph
Health
UV
0 out of 16
Pollen
2.20 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Regional
View Flu Map
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Regional Forecast for Fairfax
Tuesday
chancerain Cloudy. Scattered rain showers...mainly in the afternoon. Highs in the lower 50s. South winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday Night
nt_cloudy Cloudy with isolated rain showers. Lows in the mid 30s. South winds around 5 mph...becoming west after midnight. Chance of rain 20 percent.
Wednesday
partlysunny Partly sunny. Highs in the mid 50s. Northwest winds 5 to 10 mph.
Wednesday Night
nt_cloudy Mostly cloudy. Lows in the upper 30s. North winds around 5 mph in the evening...becoming light and variable.
Thursday
rain Rain likely. Highs in the mid 40s. Chance of rain 60 percent.
Thursday Night
nt_partlycloudy Partly cloudy. Lows in the upper 30s.
Friday
partlycloudy Mostly sunny. Highs in the lower 50s.
Friday Night
nt_sunny Mostly clear. Lows around 30.
Saturday
partlycloudy Mostly sunny. Highs around 50.
Saturday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Sunday
partlysunny Partly sunny. Highs in the mid 40s.
Sunday Night
nt_partlycloudy Partly cloudy. Lows around 30.
Washingtons Birthday
sunny Sunny. Highs in the upper 40s.
Source: NWS at 10:54 PM EST on February 13, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 22081
Tuesday, 14
Chance Rain
49 | 34 °F
Chance Rain
Chance of
Precipitation
30%
Wednesday, 15
Partly Cloudy
52 | 34 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance of Rain
45 | 38 °F
Chance of Rain
Chance of
Precipitation
60%
Friday, 17
Partly Cloudy
49 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 18
Partly Cloudy
47 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 19
Partly Cloudy
49 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 20
Clear
45 | NA
Clear
Chance of
Precipitation
10%
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Rest of Tonight
nt_cloudy Mostly cloudy. Lows around 30. South winds around 5 mph late this evening...becoming light and variable.
Tuesday
chancerain Cloudy. Scattered rain showers...mainly in the afternoon. Highs in the lower 50s. South winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday Night
nt_cloudy Cloudy with isolated rain showers. Lows in the mid 30s. South winds around 5 mph...becoming west after midnight. Chance of rain 20 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 22 43 | 22 44 | 26 39 | 29
Wind 0 mph NNW 5 mph SSE 5 mph South 2 mph East
Humidity 71% 44% 50% 64%
Chance of Precip. 30% 30% 30% 20%
Cloud Cover 97% 93% 92% 91%
Conditions Overcast Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
7:02 AM
5:44 PM
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Wednesday
partlysunny Partly sunny. Highs in the mid 50s. Northwest winds 5 to 10 mph.
Wednesday Night
nt_cloudy Mostly cloudy. Lows in the upper 30s. North winds around 5 mph in the evening...becoming light and variable.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 38 | 29 48 | 31 47 | 33 39 | 29
Wind 3 mph NW 8 mph NW 6 mph NW 4 mph NW
Humidity 72% 51% 60% 67%
Chance of Precip. 20% 10% 10% 20%
Cloud Cover 68% 37% 34% 65%
Conditions Chance of Rain Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:00 AM
5:45 PM
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Thursday
rain Rain likely. Highs in the mid 40s. Chance of rain 60 percent.
Thursday Night
nt_partlycloudy Partly cloudy. Lows in the upper 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 37 | 29 42 | 33 42 | 37 40 | 38
Wind 0 mph WNW 4 mph SE 5 mph South 6 mph South
Humidity 75% 69% 84% 94%
Chance of Precip. 20% 60% 60% 60%
Cloud Cover 83% 100% 98% 98%
Conditions Mostly Cloudy Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
6:59 AM
5:47 PM
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Friday
partlycloudy Mostly sunny. Highs in the lower 50s.
Friday Night
nt_sunny Mostly clear. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 36 46 | 34 44 | 32 37 | 29
Wind 7 mph WNW 12 mph WNW 8 mph WNW 6 mph NW
Humidity 87% 64% 63% 73%
Chance of Precip. 20% 20% 10% 10%
Cloud Cover 74% 37% 50% 47%
Conditions Chance of Rain Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:58 AM
5:48 PM
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Saturday
partlycloudy Mostly sunny. Highs around 50.
Saturday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 27 43 | 27 42 | 27 37 | 27
Wind 5 mph WNW 7 mph WNW 6 mph WNW 5 mph WNW
Humidity 74% 52% 55% 70%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 40% 35% 47% 48%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:57 AM
5:49 PM
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Sunday
partlysunny Partly sunny. Highs in the mid 40s.
Sunday Night
nt_partlycloudy Partly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 25 45 | 23 42 | 20 37 | 20
Wind 4 mph NW 7 mph WNW 6 mph West 12 mph NW
Humidity 71% 42% 39% 50%
Chance of Precip. 20% 20% 10% 10%
Cloud Cover 50% 57% 54% 15%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
6:57 AM
5:49 PM
Source: NWS at 10:54 PM EST on February 13, 2012
Regional Forecast for Fairfax
Washingtons Birthday
sunny Sunny. Highs in the upper 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 33 | 20 41 | 20 37 | 18 37 | 20
Wind 10 mph NW 13 mph NW 7 mph NW 12 mph NW
Humidity 59% 41% 44% 50%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 8% 14% 14% 15%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
6:57 AM
5:49 PM
BestForecast (what's this?)
Nearby
History & Almanac
February 14, 2012 Max Temp Min Temp
Normal (KDCA) 46 °F 29 °F
Record (KDCA) 73 °F (1990) 4 °F (1905)
Yesterday 50 °F 24 °F
Yesterday's Heating Degree Days: 28
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM10
Yesterday Good
OZONE
Current Good
PM2.5
Current Good
OZONE
Monday Good
PM2.5
Tuesday Moderate
PM2.5
Wednesday Good
PM2.5
Thursday Good
PM2.5
Coastal Water Temperatures
Place Temperature
Washington, DC 41.0 °F
Baltimore, MD 41.0 °F
Solomons Island, MD 42.1 °F
Astronomy
Feb. 14, 2012 Rise Set
Actual Time 7:02 AM EST 5:44 PM EST
Civil Twilight 6:34 AM EST 6:12 PM EST
Nautical Twilight 6:03 AM EST 6:43 PM EST
Astronomical Twilight 5:32 AM EST 7:14 PM EST
Moon 12:43 AM EST 10:49 AM EST
Length Of Visible Light 11h 37m
Length of Day
10h 42m
Tomorrow will be 2m 20s longer.
Waning Gibbous, 56% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Yesterday's Extremes
State Highs State Lows
53 °F
Martinsville
52 °F
Warrenton
51 °F
Suffolk
51 °F
Williamsburg
51 °F
Chesapeake
14 °F
Hot Springs
14 °F
Louisa
14 °F
Stafford
14 °F
Jonesville
15 °F
Wise
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
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Trapped by ice!
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Young Adult 9:00 PM EST 2012-02-13 Partly Cloudy, 37°F
Really Really 7:00 PM EST 2012-02-14 Chance of Rain, 52°F
George Mason Patriots vs. Virginia Commonwealth Rams 9:00 PM EST 2012-02-14 Chance of Rain, 48°F
Really Really 7:00 PM EST 2012-02-14 Chance of Rain, 52°F
Brian Franke 8:00 PM EST 2012-02-14 Chance of Rain, 50°F
Three Bears -- Family Entertainment 12:00 PM EST 2012-02-14 Chance of Rain, 45°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Washington 40 °F Overcast 11:52 PM EST
Fort Belvoir 33 °F Clear 11:55 PM EST
Dulles Airport 33 °F Overcast 11:52 PM EST
College Park 34 °F Clear 11:45 PM EST
Flight To ETA Status
AAL1012
Miami, FL
KDCA 12:11AM On Time
AAL1900
Dallas-Fort Worth, TX
KDCA 12:39AM On Time
UAL514
Chicago, IL
KIAD 12:01AM On Time
UAL658
Denver, CO
KIAD 12:23AM On Time
AAL1710
Dallas-Fort Worth, TX
KIAD 12:25AM On Time
SWA1192
Denver, CO
KIAD 12:26AM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KDCA)
Wind Speed: 0.0 kts.
Wind Dir: 214° (SW)
Ceiling: 13000 ft

METAR KDCA 140452Z 00000KT 10SM OVC130 04/M04 A3010 RMK AO2 SLP193 T00441044 401001044

Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Chance of Rain, 65 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 47 °F
Northern Trust Open 8:30 AM PST on February 17, 2012 Clear, 65 °F
AT&T National 8:30 AM EDT on June 28, 2012 Average High 86° F/ 29° C
AT&T National 8:30 AM EDT on June 29, 2012 Average High 87° F/ 30° C
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Falls Church-Westwood Park, Falls Church, VA 39.6 °F 40 °F 18 °F 41% SW  at  0.0 mph 0.00 in / hr 413 ft 12:01 AM EST Rapid Fire  
Backyard Weather, Falls Church, VA 35.3 °F 35 °F 21 °F 57% WSW  at  0.0 mph 0.00 in / hr 334 ft 11:53 PM EST Normal  
Broyhill Park, Falls Church, VA 32.7 °F 33 °F 23 °F 67% SSW  at  0.0 mph 0.00 in / hr 295 ft 12:01 AM EST Rapid Fire  
Villa D'este, Fairfax, VA 34.8 °F 35 °F 22 °F 60% NNW  at  0.0 mph 0.00 in / hr 355 ft 11:50 PM EST Normal  
Westlawn, Falls Church, VA 34.4 °F 34 °F 22 °F 59% SSW  at  0.0 mph 0.00 in / hr 331 ft 11:59 PM EST Normal
NE Vienna, Vienna, VA 35.2 °F 35 °F 22 °F 60% SSW  at  0.0 mph - / hr 322 ft 11:57 PM EST Normal  
Falls Church, Falls Church, VA 35.7 °F 36 °F 24 °F 62% ENE  at  0.0 mph 0.00 in / hr 394 ft 12:00 AM EST Normal  
Cobbdale, Fairfax, VA 35.9 °F 36 °F 17 °F 47% SSE  at  0.0 mph - / hr 394 ft 11:50 PM EST Normal  
VADOT Site_E, Oakton, VA 40 °F 40 °F 18 °F 40% North  at  - 0.00 in / hr 353 ft 11:31 PM EST MADIS
Arlington, VA 37.0 °F 37 °F 22 °F 53% SW  at  0.0 mph 0.00 in / hr 300 ft 11:52 PM EST Normal  
Fairfax - Kings Park West, Fairfax, VA 34.7 °F 35 °F 12 °F 39% SW  at  0.0 mph 0.00 in / hr 310 ft 12:01 AM EST Rapid Fire
BurkeWx, Burke, VA 33.3 °F 33 °F 22 °F 62% North  at  0.0 mph 0.00 in / hr 308 ft 11:55 PM EST Rapid Fire
Arlington, Arlington, VA 37.0 °F 37 °F 22 °F 55% NW  at  0.0 mph 0.00 in / hr 344 ft 12:01 AM EST Rapid Fire  
APRSWXNET Burke VA, Springfield, VA 35 °F 35 °F 23 °F 60% SW  at  0 mph 0.00 in / hr 310 ft 11:31 PM EST MADIS
APRSWXNET Arlington VA , Arlington, VA 36 °F 36 °F 22 °F 56% NW  at  0 mph 0.00 in / hr 318 ft 11:34 PM EST MADIS
Hawk Ridge Subdivision, Reston, VA 31.0 °F 31 °F 24 °F 74% South  at  0.0 mph 0.00 in / hr 300 ft 12:00 AM EST Normal
APRSWXNET McLean VA , McLean, VA - - - - North  at  - 0.00 in / hr 265 ft 11:33 PM EST MADIS
Langley Fork Park, McLean, VA 33.5 °F 34 °F 23 °F 65% SW  at  0.0 mph 0.00 in / hr 272 ft 12:01 AM EST Rapid Fire  
Ponds, Burke, VA 43.5 °F 44 °F 13 °F 28% North  at  0.0 mph 0.00 in / hr 193 ft 11:54 PM EST Normal  
VADOT Site_D, Springfield, VA 40 °F 40 °F 16 °F 37% North  at  - 0.00 in / hr 202 ft 11:27 PM EST MADIS
Cedar Cove Cluster, Reston, VA 36.7 °F 37 °F 23 °F 58% SSW  at  0.0 mph 0.00 in / hr 350 ft 11:59 PM EST Rapid Fire  
Barcroft Neighborhood, Arlington, VA 36.8 °F 37 °F 24 °F 60% WNW  at  0.0 mph 0.00 in / hr 200 ft 12:01 AM EST Rapid Fire  
PBS Technology Center, Springfield, VA 40.0 °F 40 °F 26 °F 56% South  at  0.0 mph 0.00 in / hr 170 ft 12:00 AM EST Rapid Fire
APRSWXNET Reston VA , Herndon, VA 36 °F 36 °F 22 °F 56% SW  at  0 mph 0.00 in / hr 400 ft 11:23 PM EST MADIS
Fox Mill, Herndon, VA 32.9 °F 33 °F 23 °F 67% West  at  0.0 mph 0.00 in / hr 383 ft 12:01 AM EST Rapid Fire  
Cherrydale, Arlington, VA 39.8 °F 40 °F 22 °F 49% SSW  at  0.0 mph 0.00 in / hr 265 ft 12:00 AM EST Normal  
Ashton Heights, Arlington, VA 39.3 °F 39 °F 20 °F 45% NW  at  0.0 mph 0.00 in / hr 258 ft 12:00 AM EST Normal  
Ashton Heights, Arlington, VA 39.4 °F 39 °F 26 °F 58% South  at  0.0 mph 0.00 in / hr 302 ft 11:45 PM EST Normal
Gray Weather Station, Springfield, VA 40.8 °F 39 °F 32 °F 72% ESE  at  3.1 mph 0.00 in / hr 240 ft 12:01 AM EST Normal  
VADOT Site_F_M (Fairfax), Springfield, VA 39 °F 39 °F 18 °F 42% SSW  at  1 mph 0.00 in / hr 187 ft 11:32 PM EST MADIS
Folkstone, Oak Hill, VA 33.0 °F 33 °F 24 °F 70% SW  at  0.0 mph 0.00 in / hr 375 ft 12:01 AM EST Rapid Fire  
VADOT Site_H, Springfield, VA 39 °F 39 °F 16 °F 39% North  at  - 0.00 in / hr 40 ft 11:29 PM EST MADIS
VADOT Site_B, Alexandria, VA 41 °F 41 °F 18 °F 39% SW  at  2 mph 0.00 in / hr 241 ft 11:33 PM EST MADIS
Lake Fairfax, Vienna, VA 30.6 °F 31 °F 23 °F 73% SSW  at  0.0 mph 0.00 in / hr 275 ft 12:01 AM EST Rapid Fire
APRSWXNET Springfield V, Springfield, VA 35 °F 35 °F 22 °F 59% South  at  0 mph 0.00 in / hr 259 ft 11:30 PM EST MADIS
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