National Weather Service United States Department of Commerce

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

 

FWUS46 KPQR 141201
AVGPQR
FWUS46 KPQR 141201
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
401 AM PST Wed Jan 14 2026


...Mount St. Helens...

Date                    Wednesday 01/14/26                      Thursday 01/15/26                  
Time (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4a   7a   10a  1p   4p   7p   10p  1a   4a   7a   10a  1p   4p   7p   10p  1a   4a   

Cloud Cover             CL   CL   CL   CL   FW   SC   FW   FW   FW   FW   CL   FW   FW   FW   CL   FW
Cloud Cover (%)          5    5    5    5   20   30   20    5    5    5    5    5   10   10    5    5
Temperature             40   43   47   44   39   38   37   37   36   40   44   42   37   37   37   35
Max/Min Temp                           47                  35                  46                  29
Wind Dir                SW    W    W   NW   NW   NW    N   NE   NE    E    E    E    E    E    E    E
Wind (mph)              10    8    3    4    9   11   11   12   13   13   11   12   19   23   23   24
Wind Gust (mph)         16                            17   19   19   21   19   19   27   32   34   34
Precip Prob (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
Precip Type                                                                                          
6 Hour QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
6 Hour Snow                 0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 Hour Snow                          0.0                 0.0                 0.0                 0.0
 Low End Snow                          MM                  MM                  MM                  MM
 High End Snow                         MM                  MM                  MM                  MM
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)       7.0  6.5  6.4  6.5  6.3  8.0  7.0  6.9  6.8  6.9  7.0  6.9  6.9  7.1  7.0  7.0


...Mount Hood...

Date                    Wednesday 01/14/26                      Thursday 01/15/26                  
Time (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                   4a   7a   10a  1p   4p   7p   10p  1a   4a   7a   10a  1p   4p   7p   10p  1a   4a   

Cloud Cover             FW   CL   CL   FW   FW   FW   FW   SC   FW   FW   FW   FW   FW   FW   FW   FW
Cloud Cover (%)         10    5    0   10   10    5   15   25   10   10   10   15   15   15   15   15
Temperature             37   42   45   41   38   37   36   35   33   39   41   37   32   31   31   28
Max/Min Temp                           47                  32                  43                  22
Wind Dir                SW    W    W    W   NW   NW    N   NE    E    E    E    E    E    E    E    E
Wind (mph)              11    6    4    4    9   10   10   13   18   18   19   21   24   27   28   28
Wind Gust (mph)              12                  16   16   20   25   27   28   32   34   37   39   39
Precip Prob (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    5    5    5    5
Precip Type                                                                                          
6 Hour QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
6 Hour Snow                 0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 Hour Snow                          0.0                 0.0                 0.0                 0.0
 Low End Snow                          MM                  MM                  MM                  MM
 High End Snow                         MM                  MM                  MM                  MM
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)       7.7  7.5  7.2  6.9  6.9  6.6  7.9  7.3  7.1  7.1  7.1  7.0  6.9  6.8  6.3  6.4

$$

--- Precip Type Codes ---

CODE   TYPE
 T     Thunderstorms
 R     Rain
 S     Snow
 I     Sleet
 Z     Freezing Rain