Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Location	Sky/Weather	Temp. (°F)	Dewpt. (°F)	Humidity (%)	Wind (mph)	Pressure (in)	Remarks
Washington National	Mostly Cloudy	83	77	82	S6	29.93F	HX92
Dulles Intl.	Cloudy	83	76	79	SW7	29.95S	HX91
BWI Airport	Cloudy	83	75	77	S3	29.93S	HX90
Baltimore/Inner Harbor, MD	Missing	85	74	69	MISG	29.93R	HX92
Charlottesville, VA	Partly Cloudy	78	74	87	W5	29.99S
Fredericksburg, VA	Mostly Cloudy	Missing	Missing	Missing	CALM	29.94S
Staunton, VA	Partly Cloudy	75	74	96	CALM	30.07R
Winchester, VA	Mostly Cloudy	81	70	69	W5	29.98S
Annapolis, MD	Mostly Cloudy	83	76	79	CALM	29.93F	HX91
Hagerstown Airport, MD	Mostly Cloudy	72	69	90	W6	29.99F
Baltimore/Martin, MD	Clear	81	77	89	CALM	29.94F
Martinsburg, WV	Mostly Cloudy	79	65	62	N7	29.98R
Petersburg, WV	Mostly Cloudy	77	77	100	CALM	30.02R
Patuxent River, MD	Mostly Cloudy	80	77	90	SE3	29.93F
Cumberland, MD	HVYRAIN	70	66	88	NE9G20	30.12R	Fog
Oakland, MD	Thunderstorm	66	66	100	VRB7G15	30.15R	VSB1/2

Hourly observations from: 1000 PM EDT THU SEP 03 2026

NZUS51 KLWX 040211
HRRLWX

HOURLY OBSERVATIONS AROUND THE LWX CWA
1000 PM EDT THU SEP 03 2026

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 MOCLDY    83  77  82 S6        29.93F HX  92           
BALT INNER HAR   N/A     85  74  69 MISG      29.93R HX  92           


...WASHINGTON SUBURBS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
DULLES         CLOUDY    83  76  79 SW7       29.95S HX  91           
MANASSAS*      MOCLDY    80  77  90 CALM      29.96S                  
LEESBURG*      MOCLDY    82  79  89 SW5       29.97R HX  93           
GAITHERSBURG*  MOCLDY    83  78  85 CALM      29.97S HX  93           
FT BELVOIR     MOCLDY    79  76  91 CALM      29.91F                  
QUANTICO         N/A     84  77  79 CALM      29.95F HX  94           
ANDREWS AFB    MOCLDY    81  74  79 SW3       29.92S                  
COLLEGE PARK*  MOCLDY    85  76  72 CALM      29.94S HX  95           

...CENTRAL VIRGINIA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CULPEPER*      MOCLDY    80  76  89 CALM      29.97S                  
CHARLOTTESVILL PTCLDY    78  74  87 W5        29.99S                  
WARRENTON*     MOCLDY    78  75  91 CALM      29.97R                  
ORANGE*          N/A     77  77 100 CALM      29.98R                  
GORDONSVILLE*  MOCLDY    79  79  99 CALM      29.97S                  
FREDERICKSBRG* MOCLDY   N/A N/A N/A CALM      29.94S                  
LOUISA*        PTCLDY    82  76  83 S3        29.98S                  
ASHLAND        PTCLDY    82  76  81 CALM      29.97F                  
RICHMOND       MOCLDY    83  76  79 SE6       29.96F HX  91           

...NORTHEAST/CENTRAL MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BWI AIRPORT    CLOUDY    83  75  77 S3        29.93S HX  90           
ANNAPOLIS      MOCLDY    83  76  79 CALM      29.93F HX  91           
MARTIN AIRPORT CLEAR     81  77  89 CALM      29.94F                  
WESTMINSTER*   MOCLDY    81  75  83 SW5       29.97R                  
FREDERICK*     MOCLDY    79  78  97 CALM      29.95S                  

...SOUTHERN MARYLAND...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PATUXENT RIVER MOCLDY    80  77  90 SE3       29.93F                  
ST MARYS CITY  PTCLDY    78  77  96 CALM      29.91F                  

...MARYLAND EASTERN SHORE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SALISBURY      MOCLDY    79  77  94 SW3       29.95F                  
CAMBRIDGE*     CLEAR     79  79 100 CALM      29.93F                  
OCEAN CITY     MOCLDY    81  78  91 W8        29.95F                  
BAY BRIDGE AP* MOCLDY    84  77  79 S6        29.93S HX  93           
EASTON*        CLEAR     81  77  89 S6        29.92F                  

...SHENANDOAH VALLEY...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MARTINSBURG    MOCLDY    79  65  62 N7        29.98R                  
HAGERSTOWN APT MOCLDY    72  69  90 W6        29.99F                  
STAUNTON*      PTCLDY    75  74  96 CALM      30.07R                  
WINCHESTER*    MOCLDY    81  70  69 W5        29.98S                  
NEW MARKET*    PTCLDY    78  65  65 CALM      30.02R                  
WAYNESBORO*    PTCLDY    76  73  93 CALM      30.07R                  

...APPALACHIANS...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PETERSBURG WV* MOCLDY    77  77 100 CALM      30.02R                  
CUMBERLAND*    HVY RAIN  70  66  88 NE9G20    30.12R FOG              
OAKLAND*       TSTM      66  66 100 VRB7G15   30.15R VSB 1/2          
HOT SPRINGS*     N/A     76  66  70 W9        30.22S                  
ELKINS         MOCLDY    74  73  97 CALM      30.10R                  
BEDFORD PA*    RAIN      67  66  97 S3        30.10R                  
JOHNSTOWN      TSTM      65  64  97 NW13G25   30.14R FOG              
ALTOONA        CLOUDY    68  66  93 W9        30.10R                  

...SOUTHERN PENNSYLVANIA/DELAWARE...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
YORK           MOCLDY    76  73  91 SW3       29.95R                  
WILMINGTON     MOCLDY    79  72  79 SW6       29.92F                  

...MARINE OBSERVATIONS...
  
STATION/POSITION TIME  TEMP    WIND        PRES
                       AIR SEA DIR/SP/G
                 (UTC) (F)     (DEG/KT/KT) (MB)
THOMAS PT LIGHT  0200   83     210/ 11/ 11 1014.6F
TOLCHESTER       0130   83 82  150/  4/  7 1013.2F
COVE POINT       0130   83     130/  5/  5 1014.9F
GOOSES REEF      0142   81 83  190/  6/  8   N/A
BALT HARBOR      0130   84 83  220/  2/  3   N/A
BALT KEY BRIDGE  0130   84     200/  4/  4 1013.3F
ANNAPOLIS USNA   0130   86 83  180/  3/  5 1012.8F
ANNAPOLIS CBIBS  0148   81 81  210/  6/  6   N/A
WASH DC CHANNEL  0130   85 83  210/  4/  7 1013.2F
DAHLGREN         0130   83 86  170/  1/  2 1013.0F
LEWISETTA        0130   84 86  200/  4/  4 1014.4F
SOLOMONS ISLAND  0130   83 84  160/  3/  3 1014.0F
PINEY POINT      0130          150/  3/  3   N/A
POTOMAC BUOY     0148   83 84  170/  6/  8   N/A
CAMBRIDGE PIER   0130   83 83  200/  5/  7 1014.4F
BISHOPS HEAD     0130   84 85  190/  6/  7 1014.7F
CHESAPEAKE CITY  0130   76 81  150/  1/  2 1013.5F

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

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