National Weather Service United States Department of Commerce

Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

 

FWUS46 KPQR 012106
AVGPQR

Avalanche Weather Guidance
National Weather Service Portland OR
105 PM PST Sun Mar 1 2026


...Mount St. Helens...

Date                                        Monday 03/02/26                         Tuesday 03/03/26
Time (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4p   7p   10p  1a   4a   7a   10a  1p   4p   7p   10p  1a   4a   7a   10a  1p   4p   

Cloud Cover        OV   BK   OV   SC   SC   SC   FW   SC   BK   BK   OV   OV   OV   OV   OV   OV   OV
Cloud Cover (%)    75   70   70   50   35   25   25   30   55   55   80   80   80   85  100  100  100
Temperature        41   37   34   34   33   32   38   40   40   36   36   35   35   35   35   35   35
Min/Max Temp                           32                  40                  34                  36
Wind Dir           NW    N   NE   NE    N    N   NW    W   SW   SW   SW   SW    S    S    S   SW   SW
Wind (mph)          8    6    8    6    6    5    4    9    9    6    8    9   10   10   12   13   13
Wind Gust (mph)    13                                 16   16   12             17   17   20   24   23
Precip Prob (%)     5    5    5    5   10   10   10   20   40   40   30   30   70   70  100  100  100
Precip Type                                            S    S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.00      0.00      0.00      0.00      0.03      0.06      0.29      0.22
6 Hour Snow                 0.0       0.0       0.0       0.0       0.0       0.2       1.2       1.0
12 Hour Snow                          0.0                 0.0                 0.2                 2.2
 Low End Snow                         0.0                 0.0                 0.0                 0.0
 High End Snow                        0.0                 0.0                 0.2                 2.3
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  5.7  5.5  5.2  4.9  4.6  4.3  4.5  5.3  5.7  5.8  5.7  5.4  5.3  5.0  4.9  4.9  4.9


...Mount Hood...

Date                                        Monday 03/02/26                         Tuesday 03/03/26
Time (LT)          16   19   22   01   04   07   10   13   16   19   22   01   04   07   10   13   16
                   4p   7p   10p  1a   4a   7a   10a  1p   4p   7p   10p  1a   4a   7a   10a  1p   4p   

Cloud Cover        OV   OV   OV   OV   OV   BK   BK   BK   BK   BK   BK   BK   OV   OV   OV   OV   OV
Cloud Cover (%)    85   85   85   85   85   65   50   50   50   50   55   60   75   80   85   85   90
Temperature        37   32   32   31   30   29   35   36   36   31   30   31   31   31   34   33   33
Min/Max Temp                           29                  38                  29                  35
Wind Dir            W   NE    N    W   NW   NW   NW   NW    W    W   SW   SW   SW   SW   SW    W    W
Wind (mph)          9    5    5    6    9   10   12   14   16   11   12   11   11   11   12   17   19
Wind Gust (mph)    16   11   11   12   14   17   19   23   24   18   19   18   18   18   23   28   32
Precip Prob (%)    30   30   30   20   30   30   30   30   30   30   30   30   50   50   80   80   90
Precip Type         S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
6 Hour QPF                 0.01      0.02      0.01      0.02      0.02      0.00      0.10      0.10
6 Hour Snow                 0.1       0.1       0.1       0.1       0.1       0.0       0.6       0.6
12 Hour Snow                          0.2                 0.2                 0.1                 1.2
 Low End Snow                         0.0                 0.0                 0.0                 0.0
 High End Snow                        0.2                 0.2                 0.1                 1.3
6 Hour Ice                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
Snow Level (kft)  6.9  6.8  6.5  6.1  5.7  5.4  5.6  6.2  6.2  5.8  5.7  5.6  5.6  5.4  5.3  5.3  5.2

$$

--- Precip Type Codes ---

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