| Winter Weather Outlook |
There is a Good chance of a major winter storm developing
in the next several days. |
| Winter Storm Watch |
There is a Greater than 50% chance of a major winter storm
in the next several days |
| Winter Storm Warning |
Any combination of winter weather including snow, sleet, or
blowing snow. The snow amount must meet a minimum accumulation amount which
is different in snow prone areas like the mountains than it is in valley
locations. |
| Blizzard Warning |
Falling and/or blowing snow frequently reducing visibility to
less than 1/4 mile AND sustained winds or frequent gusts greater than 35 mph
will last for at least 3 hours. |
| Ice Storm Warning |
Freezing rain/drizzle is occurring with a significant
accumulation of ice (more than 1/4 inch) or accumlation of 1/2 inch of
sleet. (A very rare occurance across Southwest Idaho,
Southeast Oregon.) |
| Wind Chill Warning |
Wind chill
Temperature less than or equal to -20 and wind greater than or equal to 10 mph.
|
| Winter Weather Advisory |
Any combination of winter weather such as snow, blowing snow,
sleet, etc. where the snow amount is a hazard but does not meet Winter Storm
Warning criteria above. |
| Freezing Rain/Drizzle Advisory |
Light freezing rain or drizzle with little accumulation.
(A somewhat rare occurance across Southwest Idaho, Southeast Oregon.)
|
Return to 
www.weather.gov 
