377 
FXUS65 KMSO 261327 RRA
AFDMSO

Area Forecast Discussion...RETRANSMISSION
National Weather Service Missoula MT
726 AM MDT Tue Mar 26 2013

.DISCUSSION...High pressure will once again be in place today,
providing plenty of sunshine across western Montana and much of
central Idaho. Clouds will be on the increase through this
afternoon, affecting mostly south central Idaho, while points
north and east will remain mostly sunny. There is a slight chance
at some late afternoon rain showers occurring across south central
Idaho as well, but chances are minimal. By Wednesday and Thursday
afternoons, the chance for rain and even some thunder increases.
Coverage of showers will be widespread by late Thursday afternoon,
however the chance for measurable rainfall will be low. A few
lightning strikes could occur with these afternoon/evening showers
as well, but with few (if any) impacts expected. 

Temperatures will be the most noticeable feature through the end of
the week, as the region warms a few degrees each passing day.
Most locations across the Northern Rockies will reach the upper
50s to low 60s by Thursday, and are expected to stay mild through
the weekend. Overnight low temperatures will also moderate,
finally getting a few degrees above freezing by Friday morning.

Friday, there will be a moist northwest flow over the region,
which could produce a few showers, but snow levels should be high
enough for most of the precipitation to be in the form of rain.
Then Saturday and Sunday, a ridge of high pressure will move over
the region, decreasing the chances of precipitation and keeping
temperatures well above normal.


&&

.AVIATION...Increasing high to mid clouds will continue to stream
across south central Idaho through the day, with points north and
east across the rest of the Northern Rockies remaining mostly
sunny. Winds will be light and variable, and mostly diurnally
driven. A few isolated rain showers could develop later this
afternoon, but would only occur over KSMN and surrounding south
central Idaho airfields. Few aviation impacts are anticipated
through Wednesday.

&&

.MSO WATCHES/WARNINGS/ADVISORIES...
MT...None.
ID...None.
&&

$$

Follow us on Facebook and Twitter!
https://www.facebook.com/US.NationalWeatherService.Missoula.gov
https://www.twitter.com/NWSMissoula