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

WASHINGTON DC METRO AREA FORECAST DISCUSSION
A weak area of low pressure will continue to push further offshore today while high pressure wedges it`s way south along the eastern Appalachians Friday into Saturday. Cooler temperatures will prevail as a result along with increased cloud cover. A warm front lifts through the area this weekend bringing a significant warm up Sunday and Monday. The next chance for widespread precipitation arrives with a cold front Tuesday into Wednesday 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: @ 25-Apr-2024 3:40pm - next update at 3:50pm  
Temperature Summary Outlook
Currently: 60.9, Max: 61.4, Min: 49.4 60.9°F
Warmer 0.7°F than last hour.

Comfortable

Feels like: 61°F

24-hr difference
-12.7°FColder 12.7°F than yesterday at this time.
  Today Yesterday
High: 61.4°F
2:28pm 		74.2°F
1:46pm
Low: 49.4°F
7:40am 		55.2°F
10:58pm
High & Low April 2024
High:  87.7°F
15 April at 1:39 PM
Low:  34.6°F
22 April at 7:18 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:  60.9°F
Coldest Wind Chill
Today:  45.3°F
at 7:37am
Yesterday:  55.2°F
at 10:58pm
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: 6.8 Degree Days
Yesterday: 2.9 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 2.6 Degree Days
Heat Index
Now:  60.9°F
Warmest Heat Index
Today:  61.4°F
at 14:28
Yesterday:  74.2°F
at 13:46
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
Mostly cloudy Mostly cloudy
Wind from ESE ESE
0.5
Gust:
 2.0 mph
0 Bft - Calm
Today: 10.0 mph 1:11am
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:  17.6 miles
Yesterday:  32.3 miles
Highest Wind Run
April 2024  65.7 miles
17 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
13 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
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Friday

Friday: Mostly Sunny
Mostly Sunny
Hi 59 °F Lo 41 °F Hi 63 °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: 56 % Decreased 1.0% since last hour.
Dew Point: 45.1°F Decreased 0.8°F since last hour.
Barometer: 30.240 inHg Falling 0.01 inHg/hr
Baro Trend: Falling slowly
Today
Pressure High:  30.316 in
Pressure Low:  30.089 in
Dewpoint High:  46.9 °F
Dewpoint Low:  42.0 °F
Humidity High:  78%
Humidity Low:  55%
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: 6:18am
Sunset: 7:56pm
Moonset: 6:56am
Moonrise: 10:04pm

Day Length:  13:38
Dawn:  05:51
Dusk:  20:24
Daylight Length:  14:33
 There will be 2min 17s more daylight tomorrow

Cloud Base

cloudbase
CB: 3590 ft
UV Index

   0.8   
 Low 
High: 5.4 @ 12:25pm

Solar Radiation
139 W/m2
High: 947 @  12:12pm

Air Quality Index
Current AQI
23
Good

Sunlight

13 hrs 38 min 21 sec
of Sunlight Today
Which is
2 min 16 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
97% %
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: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy

Hi 59 °F		 NWS forecast: Mostly cloudy, with a high near 59. Northeast wind around 6 mph.
Davis VP+ forecast: Increasing clouds and warmer. Precipitation possible within 24 to 48 hours		   Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 41 °F		 NWS forecast: Mostly cloudy, with a low around 41. East wind 2 to 6 mph.
 NWS Weather Forecast  - Five Day Outlook for This Afternoon through Monday - Last Update: Thu, 25-Apr-2024 1:30pm EDT
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Saturday

Saturday: Mostly Cloudy
Mostly Cloudy
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday

Monday: Sunny
Sunny
Hi 59 °F Lo 41 °F Hi 63 °F Lo 46 °F Hi 65 °F Lo 51 °F Hi 82 °F Lo 60 °F Hi 89 °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

Weather Terms
Squall line - A line of thunderstorms or squalls which may extend over several hundred miles.

Today in Weather History

Weather History for April 25
 
1880   An F5 (estimated) tornado struck Christian County, IL, causing farms to vanish. Between 6 and 11 people were killed, with some bodies carried for half a mile.
1908   18 tornadoes were the result of severe thunderstorms along the central Gulf coast. The tornadoes claimed the lives of 310 people.