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

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Freeze Warnings and Frost Advisories remain in effect until 8AM this morning as temperatures drop into the 30s, mainly west of the Blue Ridge. Cooler temperatures linger this weekend with frost/freeze concerns continuing each night.

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: @ 01-May-2026 6:10am - next update at 6:20am  
Temperature Summary Outlook
Currently: 41.5, Max: 48.1, Min: 41.4 41.5°F
Colder 0.2°F than last hour.

Cold

Feels like: 42°F

24-hr difference
-9.8°FColder 9.8°F than yesterday at this time.
  Today Yesterday
High: 48.1°F
12:00am 		68.9°F
2:35pm
Low: 41.4°F
5:47am 		48.1°F
11:58pm
High & Low May 2026
High:  48.1°F
01 May at 12:00 AM
Low:  41.4°F
01 May at 5:47 AM
Max Min:  --°F
---
Min Max:  --°F
---
High and Low 2026
High:  94.0°F
16 April at 2:47 PM
Low:  5.2°F
27 January at 7:52 AM
Max Min:  66.9°F
04 April
Min Max:  18.4°F
25 January
Record May
High:  93.7°F
at 15:47 on 31 May 2022
Low:  32.0°F
at 03:46 on 10 May 2020
Max Min:  72.0°F
at 23:59 on 27 May 2015
Min Max:  51.3°F
at 14:37 on 09 May 2020
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:  41.5°F
Coldest Wind Chill
Today:  41.4°F
at 5:47am
Yesterday:  48.1°F
at 11:58pm
May 2026  41.4°F
01 May at 5:47 AM
2026  2.9°F
01 February at 8:34 AM
Station May  27.4°F
at 07:06 on 09 May 2020
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 5.5 Degree Days
Yesterday: 7.4 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.4 Degree Days
Heat Index
Now:  41.5°F
Warmest Heat Index
Today:  48.1°F
at 00:00
Yesterday:  68.9°F
at 14:35
May 2026  48.1°F
01 May at 12:00 AM
2026  97.0°F
16 April at 3:01 PM
Station Record May  105.0°F
at 13:55 on 26 May 2021
Station All Time  124.4°F
at 13:24 on 25 June 2025
Records began on 24 December 2012
WeatherCam Thumbnail
North North West Camera
North North West WeatherCam
Mostly cloudy Mostly cloudy
Calm -
0
Gust:
 0 mph
0 Bft - Calm
Today: 3 mph 4:20am
Gust Month: 3 mph May 1
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 May 2026
High Gust:  3 mph
01 May at 4:20 AM
High Average:  0 mph
01 May at 3:38 AM
Station High 2026
High Gust:  29 mph
07 February at 10:28 AM
High Average:  10 mph
12 March at 11:03 AM
Station Record May
High Gust:  27 mph
at 15:33 on 26 May 2017
High Average:  15 mph
at 14:07 on 08 May 2016
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:  0.2 miles
Yesterday:  36.2 miles
Highest Wind Run
May 2026  0.2 miles
01 May
2026  101.4 miles
07 February
May  139.2 miles
on 13 May 2015
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: 0.00 in
Season Total: 8.12 in
2 days since last rain.

Days Since Last Dry Day: 0
Station High May 2026
High Day:  0.00 in
01 May
High Hour:  0.00 in
01 May at 12:00 AM
High Rain Rate /hr:  0.00 in
01 May at 12:00 AM
Station High 2026
High Day:  1.35 in
16 March
High Hour:  0.78 in
16 March at 1:42 PM
High Rain Rate /hr:  5.76 in
16 March at 12:46 PM
Station Record May
High Day:  2.46 in
on 31 May 2018
High Hour:  2.16 in
at 18:26 on 31 May 2018
High Rain Rate /hr:  7.29 in
at 20:36 on 26 May 2021
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: Mostly Clear
Mostly Clear
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Chance Rain Showers
Chance Rain Showers
Lo 42 °F Hi 68 °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: 85 % Increased 3.0% since last hour.
Dew Point: 37.3°F Increased 0.3°F since last hour.
Barometer: 29.98 inHg Rising 0.01 inHg/hr
Baro Trend: Rising slowly
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: 13.0 in
Total Last Season: 15.5 in
Fire Danger
firedanger
Almanac
Sunrise: 6:10am
Sunset: 8:03pm
Moonset: 5:45am
Moonrise: 8:25pm

Day Length:  13:50
Dawn:  05:43
Dusk:  20:31
Daylight Length:  14:47
 There will be 2min 8s more daylight tomorrow

Cloud Base

cloudbase
CB AGL: 948 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
10
Good

Sunlight

13 hrs 53 min 16 sec
of Sunlight Today
Which is
2 min 11 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Full Moon
Full Moon, Moon at 14 days in cycle
100% %
Illuminated
 NWS Weather Forecast  - Outlook: Overnight & Friday
Overnight

Overnight: Mostly Clear
Mostly Clear

Lo 42 °F		 NWS forecast: Mostly clear, with a low around 42. Northwest wind around 5 mph.
Davis VP+ forecast: Not available		   Friday

Friday: Mostly Sunny
Mostly Sunny

Hi 68 °F		 NWS forecast: Mostly sunny, with a high near 68. West wind 2 to 8 mph.
 NWS Weather Forecast  - Five Day Outlook for Overnight through Monday Night - Last Update: Fri, 01-May-2026 4:54am EDT
Overnight

Overnight: Mostly Clear
Mostly Clear
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Cloudy then Slight Chance Rain Showers
Cloudy then Slight Chance Rain Showers
Saturday
Night
Saturday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Sunday

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

Monday: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Lo 42 °F Hi 68 °F Lo 45 °F Hi 60 °F Lo 42 °F Hi 63 °F Lo 43 °F Hi 74 °F Lo 57 °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

Recycling
Every ton of mixed paper recycled can save the energy equivalent of 185 gallons of gas.

Today in Weather History

Weather History for May 1
 
1054   The earliest tornado reported in Europe occurred on this day. It was in Rosdalla, Ireland.