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Small Craft Advisory SMALL CRAFT ADVISORY - Tidal Potomac
Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
As low pressure approaches from the Midwest, a warm front will lift north tonight, followed by a cold front crossing on Saturday. Canadian high pressure will settle in on Sunday into Monday. Another frontal system will affect the region during the middle to latter half of 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: @ 26-Apr-2025 1:20am - next update at 1:30am  
Temperature Summary Outlook
Currently: 65.5, Max: 66.5, Min: 65.5 65.5°F
Colder 0.7°F than last hour.

Comfortable

Feels like: 65°F

24-hr difference
9.8°FWarmer 9.8°F than yesterday at this time.
  Today Yesterday
High: 66.5°F
12:00am 		78.1°F
3:04pm
Low: 65.5°F
1:13am 		52.2°F
4:39am
High & Low April 2025
High:  81.9°F
18 April at 3:59 PM
Low:  27.4°F
09 April at 7:29 AM
Max Min:  67.3°F
19 April
Min Max:  50.2°F
11 April
High and Low 2025
High:  85.5°F
31 March at 3:44 PM
Low:  7.4°F
23 January at 6:32 AM
Max Min:  69.0°F
30 March
Min Max:  22.4°F
21 January
Record April
High:  92.6°F
at 14:44 on 29 April 2024
Low:  25.0°F
at 07:19 on 03 April 2021
Max Min:  68.7°F
at 06:40 on 30 April 2017
Min Max:  44.1°F
at 17:10 on 09 April 2018
Station All Time Record
High:  101.9°F
at 15:51 on 02 August 2024
Low:  1.0°F
at 07:23 on 23 January 2014
Max Min:  78.1°F
at 06:58 on 23 June 2024
Min Max:  16.7°F
at 12:04 on 16 February 2015
Records began on 24 December 2012
Wind Chill
Now:  65.5°F
Coldest Wind Chill
Today:  65.5°F
at 1:13am
Yesterday:  52.2°F
at 4:39am
April 2025  27.4°F
09 April at 7:29 AM
2025  -3.6°F
22 January at 6:58 AM
Station April  17.4°F
at 05:35 on 02 April 2021
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 0.0 Degree Days
Yesterday: 3.7 Degree Days
Cooling Degree Days
Today: 0.1 Degree Days
Yesterday: 4.6 Degree Days
Heat Index
Now:  65.5°F
Warmest Heat Index
Today:  66.5°F
at 00:00
Yesterday:  78.1°F
at 15:04
April 2025  84.0°F
05 April at 5:54 PM
2025  86.2°F
31 March at 3:46 PM
Station Record April  97.4°F
at 14:39 on 29 April 2024
Station All Time  122.8°F
at 14:48 on 16 July 2024
Records began on 24 December 2012
WeatherCam Thumbnail
North North West Camera
North North West WeatherCam
Overcast Overcast
Wind from SSE SSE
0
Gust:
 2 mph
0 Bft - Calm
Today: 4 mph 12:20am
Gust Month: 21 mph April 15
Rain Today:  0.19 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.05 in
Rain 24hrs:  0.34 in
Wind

Station High April 2025
High Gust:  21 mph
15 April at 4:04 PM
High Average:  7 mph
19 April at 6:29 PM
Station High 2025
High Gust:  27 mph
01 March at 2:22 PM
High Average:  11 mph
31 March at 9:02 AM
Station Record April
High Gust:  35 mph
at 00:53 on 03 April 2016
High Average:  21 mph
at 14:09 on 12 April 2018
Station All Time Record
High Gust:  42 mph
at 12:56 on 04 January 2018
High Average:  24 mph
at 13:07 on 02 March 2018
Records began on 24 December 2012
Wind Run

Today:  0.5 miles
Yesterday:  22.4 miles
Highest Wind Run
April 2025  62.2 miles
18 April
2025  93.0 miles
16 March
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: 0.19 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.15 in
This Month: 3.40 in
Season Total: 9.00 in
0 day since last rain.

Days Since Last Dry Day: 1
Station High April 2025
High Day:  1.53 in
21 April
High Hour:  0.26 in
26 April at 12:21 AM
High Rain Rate /hr:  2.09 in
26 April at 12:07 AM
Station High 2025
High Day:  1.53 in
21 April
High Hour:  0.39 in
31 March at 8:09 PM
High Rain Rate /hr:  4.09 in
05 March at 12:41 PM
Station Record April
High Day:  3.02 in
on 30 April 2014
High Hour:  0.63 in
at 08:42 on 15 April 2014
High Rain Rate /hr:  26.18 in
at 11:00 on 08 April 2023
Station All Time Record
High Day:  5.17 in
on 21 July 2018
High Hour:  2.21 in
at 16:13 on 22 July 2020
High Rain Rate /hr:  64.00 in
at 10:49 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
Overnight

Overnight: Scattered Rain Showers
Scattered Rain Showers
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Isolated Showers And Thunderstorms then Mostly Clear
Isolated Showers And T-Storms then Mostly Clear
Lo 64 °F Hi 78 °F Lo 45 °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: 94 % Increased 1.0% since last hour.
Dew Point: 63.7°F Decreased 0.4°F since last hour.
Barometer: 29.97 inHg Falling 0.01 inHg/hr
Baro Trend: Falling
Today
Pressure High:  30.09 in
Pressure Low:  29.99 in
Dewpoint High:  33.1 °F
Dewpoint Low:  19.6 °F
Humidity High:  80%
Humidity Low:  40%
Station Record
Pressure High:  31.41 in
at 12:14 on 23 March 2017
Pressure Low:  28.99 in
at 07:41 on 07 February 2020
Dewpoint High:  82.7 °F
at 11:55 on 05 July 2024
Dewpoint Low:  -27.0 °F
at 01:57 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: 15.5 in
Total Last Season: 10.0 in
Fire Danger
firedanger
Almanac
Sunrise: 6:16am
Sunset: 7:58pm
Moonrise: 5:23am
Moonset: 6:55pm

Day Length:  13:40
Dawn:  05:50
Dusk:  20:26
Daylight Length:  14:36
 There will be 2min 12s more daylight tomorrow

Cloud Base

cloudbase
CB AGL: 402 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
55
Moderate

Sunlight

13 hrs 42 min 46 sec
of Sunlight Today
Which is
2 min 16 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waning Crescent
Waning Crescent, Moon at 26 days in cycle
4% %
Illuminated
 NWS Weather Forecast  - Outlook: Overnight & Saturday
Overnight

Overnight: Scattered Rain Showers
Scattered Rain Showers

Lo 64 °F		 NWS forecast: Scattered rain showers. Cloudy, with a low around 64. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Mostly cloudy and cooler. Precipitation continuing.		   Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 78 °F		 NWS forecast: Scattered rain showers before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then isolated showers and thunderstorms. Mostly cloudy, with a high near 78. West wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
 NWS Weather Forecast  - Five Day Outlook for Overnight through Tuesday Night - Last Update: Fri, 25-Apr-2025 10:30pm EDT
Overnight

Overnight: Scattered Rain Showers
Scattered Rain Showers
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Isolated Showers And Thunderstorms then Mostly Clear
Isolated Showers And T-Storms then Mostly Clear
Sunday

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

Monday: Sunny
Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Tuesday
Night
Tuesday Night: Chance Rain Showers
Chance Rain Showers
Lo 64 °F Hi 78 °F Lo 45 °F Hi 70 °F Lo 45 °F Hi 74 °F Lo 53 °F Hi 84 °F Lo 67 °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 26
 
1834
Killer frosts were reported in the Deep South. The frost was quite severe around Huntsville AL, and highlighted a backward spring in the South that year. (David Ludlum)
1984
Severe thunderstorms associated with an intense cyclone spawned a total of forty-seven tornadoes in two days from Louisiana to Upper Michigan. The tornadoes killed 16 persons and injured 259 others. (Storm Data)