*If this page returns no data, no final burn decision is available at this time.
Meteorological Forecast and Air Quality Discussion:
.DISCUSSION...Another surge of moisture will work northward across
the region this morning and will settle over northwest Montana
during the afternoon hours. The result will be a period of light
snow for valley floors followed by a changeover to rain later in
the morning, one exception will be the lower elevations of
northwest Montana which may remain snow. Changeable and
potentially hazardous road conditions are anticipated as a result
of the snow/rain mix in valley locations. Mountain passes will see
several rounds of snowfall with alternating periods of wet-snow
packed-back to wet conditions. Windy weather is expected across
southwest Montana and in Lemhi County today, beware of strong
cross winds and occasional snow showers. Also, there remains a
potential for a few debris flows along susceptible travel
corridors (such as Hwy 12 in Idaho) with ponding on area roadways.
Precipitation will become showery again on Tuesday night with a
cold front passage dropping snow levels to valley floors once
again. Although valley snow accumulations should remain light,
slippery roadways are certainly possible, while mountain passes
will continue to see winter driving conditions at times into
Showers will slowly start to taper off Wednesday morning, and the
daytime will be the last "mild" temperature day before a much
colder air mass starts to sweep into the region by mid to late
Wednesday. A cool, showery regime will continue Thursday into the
early weekend. Although snow showers will be scattered with only
minimal accumulations expected, roads can easily become icy/snowy
as max temperatures remain generally below freezing and minimum
temperatures drop down to the teens...to several degrees below
zero closer to the Continental Divide.
By late Sunday into early next week, enhanced moisture may be
pulled into the area from the southwest which would meet the cold
Canadian air pushing down from the north. Forecast confidence
remains low on location and how intense precipitation will become,
but a period of widespread precipitation may be in store for
portions of the Northern Rockies through early Tuesday.
This meteorological forecast discussion was prepared for Idaho Department of Environmental Quality for the sole purpose
of forecasting crop residue burn decisions within the State of Idaho by DEQ staff. DEQ burn decisions do not apply to the
Coeur d'Alene and Nez Perce Reservations. For forecasts and burn decisions for the Coeur d'Alene and Nez Perce Reservations, call 800-345-1007.