National Weather Service United States Department of Commerce

Monsoon Activity Continues in the Rockies and High Plains; Heat Builds in the West

Monsoon moisture will continue to bring a threat of heavy rain and flash flooding from the Intermountain West to the High Plains. Complex terrain, burn scars, and urban areas will be especially vulnerable to flooding. Heavy rain along a nearly stationary front in the South and Southeast could produce flash flooding. Dry lightning in Oregon could initiate new fires. Read More >


Location Sky/Weather Temp.
(°F)
Dewpt.
(°F)
Humidity
(%)
Wind
(mph)
Pressure
(in)
Remarks
Washington National Partly Cloudy 67 57 70 NW8 29.97R
Dulles Intl. Clear 58 56 93 CALM 29.98R
BWI Airport Clear 61 59 93 W3 29.95R
Charlottesville, VA Clear 66 59 78 CALM 29.99R
Fredericksburg, VA Partly Cloudy 64 59 85 CALM 29.97R
Staunton, VA Clear 63 55 74 N3 30.04R
Winchester, VA Clear 63 55 77 NW8 29.99R
Annapolis, MD Clear 63 61 93 W5 29.95R
Hagerstown Airport, MD Clear 61 55 81 NW6 29.99R
Baltimore/Martin, MD Clear 61 61 100 W6 29.96R
Martinsburg, WV Clear 64 55 72 NW8 29.99R
Petersburg, WV Clear 56 56 100 CALM 30.04R Fog
Patuxent River, MD Partly Cloudy 69 60 73 NW13 29.95R
Cumberland, MD Cloudy 57 55 94 CALM 30.06R
Oakland, MD Cloudy 54 54 100 NW5 30.07R
Hourly observations from: 600 AM EDT MON AUG 02 2021
NZUS51 KLWX 021012
HRRLWX

HOURLY OBSERVATIONS AROUND THE LWX CWA
600 AM EDT MON AUG 02 2021

Note: "FAIR" indicates few or no clouds below 12,000 feet
with no significant weather and/or obstructions to visibility.

 * =Non NWS site. Station does not report significant weather 
    and/or obstructions to visibility.

...DOWNTOWN AREAS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
WASHINGTON NAT PTCLDY    67  57  70 NW8       29.97R                  


...WASHINGTON SUBURBS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DULLES         CLEAR     58  56  93 CALM      29.98R                  
MANASSAS*      CLEAR     57  55  94 CALM      29.99R FOG              
LEESBURG*      CLEAR     57  54  88 CALM      29.99R                  
GAITHERSBURG*  CLEAR     58  57  97 CALM      29.99R                  
FT BELVOIR     CLEAR     61  60  96 CALM      29.97R                  
QUANTICO       CLEAR     64  59  83 NW7       29.98R                  
ANDREWS AFB    CLEAR     64  58  80 NW5       29.95R                  
COLLEGE PARK*  CLEAR     60  58  94 CALM      29.96R                  

...CENTRAL VIRGINIA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CULPEPER*      CLEAR     59  58  96 CALM      30.00R                  
CHARLOTTESVILL CLEAR     66  59  78 CALM      29.99R                  
WARRENTON*     CLEAR     59  57  92 CALM      29.98R                  
ORANGE*        CLEAR     59  55  88 CALM      29.98R                  
GORDONSVILLE*  CLEAR     59  59 100 CALM      29.99R                  
STAFFORD*      CLEAR     60  57  89 CALM      30.02R                  
FREDERICKSBRG* PTCLDY    64  59  85 CALM      29.97R                  
LOUISA*        CLEAR     59  58  94 N3        30.03R                  
ASHLAND        MOCLDY    66  58  75 CALM      29.98R                  
RICHMOND       PTCLDY    67  60  78 N9        29.96R                  

...NORTHEAST/CENTRAL MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BWI AIRPORT    CLEAR     61  59  93 W3        29.95R                  
ANNAPOLIS      CLEAR     63  61  93 W5        29.95R                  
MARTIN AIRPORT CLEAR     61  61 100 W6        29.96R                  
ABERDEEN*      CLEAR     59  58  98 CALM      29.93R                  
WESTMINSTER*   CLEAR     63  57  82 NW6       29.97R                  
FREDERICK*     CLEAR     64  57  77 W13       29.97R                  
FORT MEADE*    CLEAR     57  57 100 CALM      29.99R                  

...SOUTHERN MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PATUXENT RIVER PTCLDY    69  60  73 NW13      29.95R                  
ST MARYS CITY  CLEAR     71  60  68 CALM      29.94R                  
LEONARDTOWN*   CLEAR     61  59  94 CALM      29.97R                  

...MARYLAND EASTERN SHORE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SALISBURY      CLEAR     65  63  93 NW8       29.94R                  
CAMBRIDGE*     CLEAR     66  64  94 N7        29.95R                  
OCEAN CITY     CLEAR     65  64  97 NW8       29.93R                  
EASTON*        CLEAR     64  63  94 CALM      29.98R                  

...SHENANDOAH VALLEY...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MARTINSBURG    CLEAR     64  55  72 NW8       29.99R                  
HAGERSTOWN APT CLEAR     61  55  81 NW6       29.99R                  
STAUNTON*      CLEAR     63  55  74 N3        30.04R                  
WINCHESTER*    CLEAR     63  55  77 NW8       29.99R                  
FRONT ROYAL*   CLEAR     59  57  94 CALM      29.99R                  
LURAY*         CLEAR     63  54  72 CALM      30.01R                  
NEW MARKET*    CLEAR     55  54  96 CALM      30.02R                  
WAYNESBORO*    CLEAR     59  57  95 SW3       30.03R                  

...APPALACHIANS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PETERSBURG WV* CLEAR     56  56 100 CALM      30.04R FOG              
CUMBERLAND*    CLOUDY    57  55  94 CALM      30.06R                  
OAKLAND*       CLOUDY    54  54 100 NW5       30.07R                  
ELKINS         CLOUDY    60  55  83 CALM      30.08R                  
BEDFORD PA*    PTCLDY    53  52  97 CALM      30.02R FOG              
JOHNSTOWN      MOCLDY    56  53  90 NW10      30.05R                  
ALTOONA        PTCLDY    57  52  83 CALM      30.02R                  

...SOUTHERN PENNSYLVANIA/DELAWARE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
YORK           CLEAR     57  55  93 W5        29.97R                  
WILMINGTON     CLEAR     59  57  93 NW6       29.93R                  

...MARINE OBSERVATIONS...
  
STATION/POSITION TIME  TEMP    WIND        PRES
                       AIR SEA DIR/SP/G
                 (UTC) (F)     (DEG/KT/KT) (MB)
THOMAS PT LIGHT  1000   66 78  280/ 13/ 14 1015.1R
TOLCHESTER       0930   68 79  330/ 10/ 12 1013.9R
COVE POINT       0930   70     310/ 18/ 20 1013.7R
GOOSES REEF      0954   68 80  320/ 16/ 19 1014.9R
BALT HARBOR      0930   65 81  290/  3/  5 1013.4R
BALT KEY BRIDGE  0930   67     300/  9/ 11 1013.6R
WASH DC CHANNEL  0930   68 82  330/  3/  7 1014.4R
DAHLGREN         0930   67 82  330/  4/  7 1013.7R
LEWISETTA        0930   71 81  360/ 10/ 13 1014.0R
SOLOMONS ISLAND  0930   69 82  330/  5/  9 1013.8R
PINEY POINT      0924          360/ 10/ 13   N/A
CAMBRIDGE PIER   0930   70 80  330/  8/ 10 1013.5R
BISHOPS HEAD     0930   68 78  340/  6/  7 1013.6R
CHESAPEAKE CITY  0930   63 81  300/  1/  3 1013.5R

  

 

For past hours' observations from around the NWS Sterling Area, please visit:
https://forecast.weather.gov/product.php?site=LWX&issuedby=LWX&product=RWR&format=CI&version=1