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Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
A cold front will drift to the south today before stalling near the Virginia/North Carolina border. This boundary returns northward as a warm front on Wednesday. A weak cold front tracks through on Thursday before a stronger cold front arrives early in the weekend. High pressure returns on Sunday and into early next week.

Current DC Area Radar & North America Lightning


Northeast US Radar

Regional Radar

North America Lightning

North America Lightning Strikes
Radar image courtesy of NWS. Lightning Data courtesy of Blitzortung.org and its Contributors.
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Current Clifton Virginia Conditions & NWS Forecast

Updated: @ 16-Apr-2024 6:10am - next update at 6:20am  
Temperature Summary Outlook
Currently: 54.8, Max: 72.6, Min: 54.8 54.8°F
Colder 3.4°F than last hour.

Cool

Feels like: 55°F

24-hr difference
-8.4°FColder 8.4°F than yesterday at this time.
  Today Yesterday
High: 72.6°F
12:00am 		87.7°F
1:39pm
Low: 54.8°F
6:09am 		58.9°F
7:51am
High & Low April 2024
High:  87.7°F
15 April at 1:39 PM
Low:  35.8°F
04 April at 7:11 AM
Max Min:  62.5°F
11 April
Min Max:  51.5°F
03 April
High and Low 2024
High:  87.7°F
15 April at 1:39 PM
Low:  8.9°F
17 January at 7:32 AM
Max Min:  62.5°F
11 April
Min Max:  26.5°F
20 January
Record April
High:  90.7°F
at 3:39 PM on 20 April 2023
Low:  25.0°F
at 7:19 AM on 03 April 2021
Max Min:  68.7°F
at 6:40 AM on 30 April 2017
Min Max:  44.1°F
at 5:10 PM on 09 April 2018
Station All Time Record
High:  101.5°F
at 3:56 PM on 06 September 2023
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:  54.8°F
Coldest Wind Chill
Today:  54.8°F
at 6:09am
Yesterday:  58.9°F
at 7:51am
April 2024  33.0°F
06 April at 5:37 AM
2024  3.7°F
17 January at 9:00 AM
Station April  17.4°F
at 5:35 AM on 02 April 2021
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: 0.5 Degree Days
Yesterday: 0.8 Degree Days
Cooling Degree Days
Today: 0.6 Degree Days
Yesterday: 9.3 Degree Days
Heat Index
Now:  54.8°F
Warmest Heat Index
Today:  72.6°F
at 00:00
Yesterday:  87.8°F
at 14:48
April 2024  87.8°F
15 April at 2:48 PM
2024  87.8°F
15 April at 2:48 PM
Station Record April  92.1°F
at 2:25 PM on 29 April 2017
Station All Time  122.6°F
at 3:16 PM on 28 July 2023
Records began on 24 December 2012
WeatherCam Thumbnail
North North West Camera
North North West WeatherCam
Clear Clear
Calm NW
0.0
Gust:
 0.0 mph
0 Bft - Calm
Today: 11.0 mph 3:01am
Gust Month: 28.0 mph April 13
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 April 2024
High Gust:  28.0 mph
13 April at 3:44 AM
High Average:  9.0 mph
13 April at 9:00 AM
Station High 2024
High Gust:  28.0 mph
10 March at 5:26 PM
High Average:  9.0 mph
13 April at 9:00 AM
Station Record April
High Gust:  35.1 mph
at 12:53 AM on 03 April 2016
High Average:  20.7 mph
at 2:09 PM on 12 April 2018
Station All Time Record
High Gust:  42.2 mph
at 12:56 PM on 04 January 2018
High Average:  24.3 mph
at 1:07 PM on 02 March 2018
Records began on 24 December 2012
Wind Run

Today:  8.1 miles
Yesterday:  15.7 miles
Highest Wind Run
April 2024  64.7 miles
12 April
2024  106.4 miles
28 February
April  175.3 miles
on 16 April 2022
Station All Time  284.2 miles
on 02 March 2018
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: 1.09 in
Season Total: 10.93 in
4 days since last rain.

Days Since Last Dry Day: 0
Station High April 2024
High Day:  0.51 in
03 April
High Hour:  0.27 in
03 April at 9:35 AM
High Rain Rate /hr:  1.83 in
02 April at 9:23 PM
Station High 2024
High Day:  1.53 in
09 January
High Hour:  0.33 in
28 January at 1:30 AM
High Rain Rate /hr:  1.88 in
28 February at 6:29 PM
Station Record April
High Day:  3.02 in
on 30 April 2014
High Hour:  0.63 in
at 8:42 AM on 15 April 2014
High Rain Rate /hr:  26.18 in
at 11:00 AM on 08 April 2023
Station All Time Record
High Day:  5.17 in
on 21 July 2018
High Hour:  2.21 in
at 4:13 PM on 22 July 2020
High Rain Rate /hr:  64.00 in
at 10:49 AM on 19 October 2021
High Month:  10.27 in
July 2018
Records began on 24 December 2012
WeatherCam Thumbnail
South South West Camera
South South West WeatherCam
Today

Today: Mostly Sunny
Mostly Sunny
Tonight

Tonight: Mostly Cloudy then Isolated Rain Showers
Mostly Cloudy then Isolated Rain Showers
Wednesday

Wednesday: Rain Showers Likely
Rain Showers Likely
Hi 76 °F Lo 54 °F Hi 70 °F
Lightning VA MD DC WV DE

Viginia Lighting
Radar Washington DC Metro Area

  GRLevel3 radar from NWS station KLWX

Storm Prediction Center Activity Chart

SPC Activity

Humidity & Barometer
Humidity: 53 % Increased 10.0% since last hour.
Dew Point: 38.0°F Increased 1.0°F since last hour.
Barometer: 30.124 inHg Rising 0.02 inHg/hr
Baro Trend: Rising
Today
Pressure High:  30.124 in
Pressure Low:  29.968 in
Dewpoint High:  52.3 °F
Dewpoint Low:  36.5 °F
Humidity High:  53%
Humidity Low:  40%
Station Record
Pressure High:  31.410 in
at 12:14 PM on 23 March 2017
Pressure Low:  28.987 in
at 7:41 AM on 07 February 2020
Dewpoint High:  82.0 °F
at 1:58 PM on 12 July 2021
Dewpoint Low:  -27.0 °F
at 1:57 AM on 20 February 2015
Records began on 24 December 2012
Snow

Snow Depth: 0.0 in
Snowfall Today: No Snow Today
Storm Total: 0.0 in
Total Season Snow: 10.00 in
Total Last Season: 0.0 in
Fire Danger
firedanger
Almanac
Sunrise: 6:30am
Sunset: 7:48pm
Moonset: 3:20am
Moonrise: 12:53pm

Day Length:  13:17
Dawn:  06:03
Dusk:  20:15
Daylight Length:  14:12
 There will be 2min 24s more daylight tomorrow

Cloud Base

cloudbase
CB: 3818 ft
UV Index

   0.0   
None
High: 0.0 @ 12:00am

Solar Radiation
0 W/m2
High: 0 @  12:00am

Air Quality Index
Current AQI
7
Good

Sunlight

13 hrs 17 min 25 sec
of Sunlight Today
Which is
2 min 23 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 8 days in cycle
56% %
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 Wind Direction Thumbnail Temperature Graph Thumbnail Temp Min/Max Graph Thumbnail Humidity Graph Thumbnail Pressure Graph Thumbnail
Today's Rainfall Graph Thumbnail Rain Graph Thumbnail Daily Rain Graph Thumbnail Solar Radiation Graph Thumbnail UV Index Graph Thumbnail Sunshine Hours Graph Thumbnail
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny
Mostly Sunny

Hi 76 °F		 NWS forecast: Mostly sunny, with a high near 76. East wind around 6 mph.
Davis VP+ forecast: Mostly clear with little temperature change.		   Tonight

Tonight: Mostly Cloudy then Isolated Rain Showers
Mostly Cloudy then Isolated Rain Showers

Lo 54 °F		 NWS forecast: Isolated rain showers after 2am. Mostly cloudy, with a low around 54. South wind around 7 mph. Chance of precipitation is 20%.
 NWS Weather Forecast  - Five Day Outlook for Today through Saturday - Last Update: Tue, 16-Apr-2024 4:39am EDT
Today

Today: Mostly Sunny
Mostly Sunny
Tonight

Tonight: Mostly Cloudy then Isolated Rain Showers
Mostly Cloudy then Isolated Rain Showers
Wednesday

Wednesday: Rain Showers Likely
Rain Showers Likely
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday

Thursday: Chance Rain Showers
Chance Rain Showers
Thursday
Night
Thursday Night: Chance Rain Showers then Mostly Cloudy
Chance Rain Showers then Mostly Cloudy
Friday

Friday: Mostly Cloudy then Chance Rain Showers
Mostly Cloudy then Chance Rain Showers
Friday
Night
Friday Night: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Slight Chance Rain Showers
Slight Chance Rain Showers
Hi 76 °F Lo 54 °F Hi 70 °F Lo 58 °F Hi 78 °F Lo 51 °F Hi 69 °F Lo 53 °F Hi 70 °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.

Random Weather Facts

Astronomy
Earth is 93 million miles away from the Sun.

Today in Weather History

Weather History for April 16
 
1984   In Terrace, British Columbia an intense wind storm capsized fishing vessels and sailboats, damaged power lines and buildings, and fanned forest fires. Wind gusts as high as 75 mph were reported. The storm caused several million dollars in damage.