National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

NORWAY AREA (7,000 FT TO 10,000 FT)
 
 DATE                                        SUNDAY 08/17/25                         MONDAY 08/18/25
 TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                    5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   
 
 CLOUD COVER        OV   OV   OV   OV   OV   BK   SC   FW   FW   SC   SC   SC   SC   FW   FW   FW   FW
 CLOUD COVER (%)    85   90   95   85   95   70   40   25   25   35   50   45   40   10    5   10   20
 TEMPERATURE        57   53   51   49   48   49   54   58   59   54   52   51   50   54   59   63   64
 MIN/MAX TEMP                           47                  59                  50                  64
 WIND DIR            W   NW    W    W    W   SW   SW   SW   SW    N   NW   NW   NW   SW   SW   SW   SW
 WIND (MPH)          6    5    4    4    4    3    5    6    5    4    4    4    5    5   10   12   12
 WIND GUST (MPH)                                                                                      
 PRECIP PROB (%)    20   50   40   20   10   10   30   30   20   30   20   20   10   10   10   10    0
 PRECIP TYPE         T    R    R    R         R    R    T    T    R    R    R              R    T     
 6 HOUR QPF                 0.04      0.11      0.00      0.00      0.04      0.03      0.00      0.00
 6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0
 6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
 SNOW LEVEL (KFT) 12.4 12.2 12.3 12.2 11.9 11.7 11.7 12.2 12.3 12.3 12.5 12.5 12.3 12.0 12.1 12.3 12.5
 
 

--- PRECIP TYPE CODES --- 
CODE   TYPE
 T     THUNDERSTORMS
 R     RAIN
 S     SNOW
 I     SLEET
 Z     FREEZING RAIN