National Weather Service United States Department of Commerce

Heat Continues Across the Central and Western U.S.; Tracking Hazardous Weather Across the Northern U.S.

Early-season record warmth will persist across portions of the western and central U.S. through mid week, with high temperatures approaching 90 degrees from Texas to the Ohio Valley. Rain and mountain snow are possible across the Pacific Northwest Wednesday, with Severe Thunderstorms and wintry weather expected across the Northeast Thursday and Friday. Read More >

 

FWUS46 KPQR 240905
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
204 AM PDT Tue Mar 24 2026


...Mount St. Helens...

Date                    Tuesday 03/24/26                        Wednesday 03/25/26                 
Time (LT)          05   08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05
                   5a   8a   11a  2p   5p   8p   11p  2a   5a   8a   11a  2p   5p   8p   11p  2a   5a   

Cloud Cover        OV   OV   OV   OV   OV   OV   OV   BK   OV   OV   OV   OV   OV   OV   BK   BK   BK
Cloud Cover (%)    85   90  100   95   95   85   75   65   85   85   95   95   90   90   60   60   60
Temperature        33   35   35   36   36   35   31   29   28   27   29   30   28   25   24   25   25
Max/Min Temp                           37                  27                  30                  23
Wind Dir            S    S    S   SW   SW   SW   SW    W    W    W   SW   SW    W    W    W    W    W
Wind (mph)         14   17   19   21   21   19   16   13   13   14   17   20   21   14   10    8    6
Wind Gust (mph)    25   29   36   40   37   33   27   23   23   24   29   34   34   25   18   14   12
Precip Prob (%)    60   90  100   90  100   50   40   40   80   80   90   90   80   80   40   40   40
Precip Type         S    R    R    R    S    S    S    S    S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.59      1.24      0.37      0.09      0.17      0.25      0.12      0.03
6 Hour Snow                 0.2       0.1       0.8       0.7       1.7       2.6       1.3       0.4
12 Hour Snow                          0.3                 1.5                 4.3                 1.7
 Low End Snow                         0.0                 0.0                 0.0                 0.2
 High End Snow                        0.6                 2.5                 4.8                 1.9
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  7.6  8.9  9.0  8.2  6.5  5.1  4.0  3.3  2.8  2.5  2.7  2.7  2.4  1.8  1.5  1.6  1.5


...Mount Hood...

Date                    Tuesday 03/24/26                        Wednesday 03/25/26                 
Time (LT)          05   08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05
                   5a   8a   11a  2p   5p   8p   11p  2a   5a   8a   11a  2p   5p   8p   11p  2a   5a   

Cloud Cover        OV   OV   OV   OV   OV   OV   OV   BK   OV   OV   OV   OV   OV   OV   BK   BK   BK
Cloud Cover (%)    75   80   80   90  100   90   80   65   85   85   95   95   85   85   70   60   50
Temperature        32   34   37   37   35   33   29   24   22   23   25   26   23   21   20   21   19
Max/Min Temp                           37                  21                  27                  16
Wind Dir           SW   SW   SW   SW   SW   SW   SW    W    W    W    W    W    W    W    W    W    W
Wind (mph)         14   17   21   25   29   28   27   25   26   27   29   32   34   28   23   18   14
Wind Gust (mph)    23   27   36   43   48   44   41   39   39   40   44   48   48   41   34   27   23
Precip Prob (%)    40   40   70   90  100   70   60   30   80   80   90   90   80   80   30   30   30
Precip Type         S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.22      0.75      0.83      0.24      0.11      0.24      0.09      0.01
6 Hour Snow                 0.4       1.7       3.0       1.9       1.1       2.6       1.0       0.1
12 Hour Snow                          2.1                 4.9                 3.7                 1.1
 Low End Snow                         0.0                 0.1                 0.1                 0.2
 High End Snow                        2.5                 6.2                 4.3                 1.9
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  8.3  9.0  9.1  8.9  7.8  6.6  5.2  3.9  3.1  2.8  3.0  3.2  2.9  2.4  1.7  1.7  1.6

$$

--- Precip Type Codes ---

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