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Radar image courtesy of Weather Underground. Lightning Data courtesy of Blitzortung.org and its Contributors.
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Current Clifton Virginia Conditions & NWS Forecast

Updated: @ 17-Jan-2018 10:00am - next update at 10:15am  
Temperature Summary Outlook
Currently: 23.0, Max: 33.6, Min: 23.0 23.0°F
Colder 0.3°F than last hour.

Cold

Feels like: 14°F

24-hr difference
-6.3°FColder 6.3°F than yesterday at this time.
  Today Yesterday
High: 33.6°F
12:00am
41.4°F
2:43pm
Low: 23.0°F
7:33am
26.2°F
4:44am
High & Low January 2018
High:  70.9°F
12 January at 1:20 PM
Low:  3.2°F
07 January at 7:21 AM
Max Min:  57.6°F
12 January
Min Max:  20.3°F
06 January
High and Low 2018
High:  70.9°F
12 January at 1:20 PM
Low:  3.2°F
07 January at 7:21 AM
Max Min:  57.6°F
12 January
Min Max:  20.3°F
06 January
Record January
High:  71.6°F
at 3:22 PM on 12 January 2017
Low:  1.0°F
at 7:23 AM on 23 January 2014
Max Min:  57.6°F
at 12:39 AM on 12 January 2018
Min Max:  19.8°F
at 12:00 AM on 28 January 2014
Station All Time Record
High:  100.4°F
at 2:12 PM on 25 July 2016
Low:  1.0°F
at 7:23 AM on 23 January 2014
Max Min:  77.5°F
at 6:27 AM on 13 August 2016
Min Max:  16.7°F
at 12:04 PM on 16 February 2015
Records began on 24 December 2012
Wind Chill
Now:  14.0°F
Coldest Wind Chill
Today:  13.3°F
at 7:45am
Yesterday:  24.5°F
at 9:25am
January 2018  -0.4°F
06 January at 7:00 AM
2018  -0.4°F
06 January at 7:00 AM
Station January  -7.8°F
at 5:32 AM on 07 January 2014
Station All Time  -15.8°F
at 1:57 AM on 21 February 2015
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 15.7 Degree Days
Yesterday: 32.6 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.0 Degree Days
Heat Index
Now:  23.0°F
Warmest Heat Index
Today:  33.6°F
at 00:00
Yesterday:  41.4°F
at 14:43
January 2018  70.9°F
12 January at 1:20 PM
2018  70.9°F
12 January at 1:20 PM
Station Record January  71.6°F
at 3:22 PM on 12 January 2017
Station All Time  114.2°F
at 12:45 PM on 19 July 2013
Records began on 24 December 2012
Overcast Overcast
 Wind from NW NW
7.8
Gust:
12.1 mph
2 Bft - Light breeze
Today: 14.2 mph 6:44am
Gust Month: 42.2 mph January 4
Rain Today:  0.00 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.00 in
Rain 24hrs:  0.00 in
Wind
Station High January 2018
High Gust:  42.2 mph
04 January at 12:56 PM
High Average:  16.0 mph
04 January at 12:58 PM
Station High 2018
High Gust:  42.2 mph
04 January at 12:56 PM
High Average:  16.0 mph
04 January at 12:58 PM
Station Record January
High Gust:  42.2 mph
at 12:56 PM on 04 January 2018
High Average:  17.6 mph
at 3:24 PM on 12 January 2017
Station All Time Record
High Gust:  42.2 mph
at 12:56 PM on 04 January 2018
High Average:  22.7 mph
at 10:08 AM on 22 March 2017
Records began on 24 December 2012
Wind Run
Today:  50.2 miles
Yesterday:  27.1 miles
Highest Wind Run
January 2018  199.5 miles
04 January
2018  199.5 miles
04 January
January  199.5 miles
on 04 January 2018
Station All Time  246.9 miles
on 15 February 2015
Records began on 24 December 2012
Rain
Rain Today: 0.00 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.00 in
This Month: 0.99 in
Season Total: 0.99 in
4 days since last rain.
Days Since Last Dry Day: 0
Station High January 2018
High Day:  0.69 in
12 January
High Hour:  0.33 in
12 January at 7:50 PM
High Rain Rate /hr:  3.12 in
12 January at 7:40 PM
Station High 2018
High Day:  0.69 in
12 January
High Hour:  0.33 in
12 January at 7:50 PM
High Rain Rate /hr:  3.12 in
12 January at 7:40 PM
Station Record January
High Day:  1.04 in
on 30 January 2013
High Hour:  0.33 in
at 7:50 PM on 12 January 2018
High Rain Rate /hr:  3.12 in
at 7:40 PM on 12 January 2018
Station All Time Record
High Day:  3.02 in
on 30 April 2014
High Hour:  6.61 in
at 2:09 PM on 04 August 2017
High Rain Rate /hr:  5.03 in
at 5:35 PM on 03 June 2016
High Month:  7.18 in
April 2014
Records began on 24 December 2012
Today

Today: Snow Showers then Cloudy
Snow Showers then Cloudy
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Sunny
Sunny
Lightning VA MD DC WV DE
Viginia Lighting
Radar Washington DC Metro Area
Local Radar
Storm Prediction Center Activity Chart
SPC Activity
Humidity & Barometer
Humidity: 46 % Decreased 10.0% since last hour.
Dew Point: 5.4°F Decreased 4.8°F since last hour.
Barometer: 30.39 inHg Rising 0.01  inHg/hr
Baro Trend: Rising slowly
Today
Pressure High:  30.40 in
Pressure Low:  30.28 in
Dewpoint High:  25.1 °F
Dewpoint Low:  5.4 °F
Humidity High:  78%
Humidity Low:  46%
Station Record
Pressure High:  31.41 in
at 12:14 PM on 23 March 2017
Pressure Low:  29.12 in
at 5:28 PM on 12 March 2014
Dewpoint High:  79.7 °F
at 11:26 AM on 19 July 2013
Dewpoint Low:  -58.6 °F
at 6:50 PM on 19 February 2017
Records began on 24 December 2012
Snow
Snow Depth: 0 in
Snowfall Today: No Snow Today
Storm Total: 0 in
Total Season Snow: 3.5 in
Total Last Season: 5.2 in
Fire Danger
firedanger
Almanac
Sunrise: 7:26am
Sunset: 5:14pm
Moonrise: 7:40am
Moonset: 5:53pm
Day Length:  09:48
Dawn:  06:57
Dusk:  17:43
Daylight Length:  10:46
 There will be 1min 29s more daylight tomorrow
Cloud Base
cloudbase
CB: 4008 ft
UV Index Forecast Today
17-Jan-2018

1.5  Low 
UV Index Forecast Tomorrow
18-Jan-2018

1.7  Low 
Air Quality Index
Current AQI 64
Moderate
Sunlight
9 hrs 49 min 42 sec
of Sunlight Today
Which is
1 min 32 sec Longer
Than Yesterday

(Noon)
graph (Midnight)
Legend
Moon
New Moon
New Moon, Moon at 0 days in cycle
0 %
Illuminated
Trends
These graphs present the temperature, pressure, rainfall, and wind speed trends for the last 24 hours.
The thumbnail graphs are sampled every ten minutes.
The large graphs are sampled every minute.
Weather Graphs
Click on weather description tab below to display the corresponding graph in the panel above.
Wind Graph Thumbnail Temperature Graph Thumbnail Pressure Graph Thumbnail Rain Graph Thumbnail
Wind Direction Thumbnail Temp Min/Max Graph Thumbnail Humidity Graph Thumbnail Today's Rainfall Graph Thumbnail Daily Rain Graph Thumbnail
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Snow Showers then Cloudy
Snow Showers then Cloudy

Hi 28 °F
NWS forecast: Snow showers and a slight chance of snow before noon. Cloudy, with a high near 28. Northwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.
  Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 16 °F
NWS forecast: Partly cloudy, with a low around 16. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
 NWS Weather Forecast  - Five Day Outlook for Today through Sunday - Last Update: Wed, 17-Jan-2018 9:27am EST
Today

Today: Snow Showers then Cloudy
Snow Showers then Cloudy
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Hi 28 °F Lo 16 °F Hi 41 °F ↓ Lo 22 °F Hi 47 °F Lo 26 °F Hi 54 °F Lo 32 °F Hi 54 °F

NWS Forecast Maps

NOAA Forecast Map for Today


Forecast Map for Today

NOAA Forecast Map for Tomorrow


Forecast Map for Tomorrow
Forecast map for Today courtesy of NOAA. Forecast map for Tomorrow courtesy of NOAA.
Countdown to Spring
 Vernal Equinox begins March 20th at 12:15pm   EST  
 

 

Random Weather Facts

Recycling
Recycling 1 aluminum can saves enough energy to run your TV for 3 hours. Recycling aluminum cans saves 95% of the energy used to make cans from virgin ore.

Today in Weather History

Weather History for January 17
 
1987
A winter storm spread snow from the Southern Rockies into the Middle Mississippi Valley and southwestern sections of the Great Lakes Region, and freezing rain across Texas and oklahoma. Snowfall totals ranged up to 16 inches at Tulia TX, with 12 inches at Wellington KS. (National Weather Summary) (Storm Data)

1990
Twenty cities across the southeastern half of the country reported record high temperatures for the date. Record highs included 61 degrees at Williamstown PA and 85 degrees at Brownsville TX. Evening thunderstorms produced large hail and damaging winds from eastern Texas to Mississippi. (National Weather Summary) (Storm Data)