Area Forecast Discussion
Issued by NWS Billings, MT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
FXUS65 KBYZ 251549

Area Forecast Discussion...Updated
National Weather Service Billings MT
949 AM MDT Thu Apr 25 2019


Minor update this morning to add a slight chance of sprinkles and
increase cloud cover over central and eastern areas as a weak
upper-air disturbance approaching the area has allowed some
pockets of brief, very light rain to develop. The disturbance will
exit the region to the southeast this afternoon, and high
pressure will build in, causing any sprinkles to dissipate and
cloud cover to decrease. Otherwise just made some very minor
updates to the forecast based on latest guidance. RMS


.SHORT TERM...valid for Tdy and Fri...

A cold front has moved south as far as around Lewistown. This
front will cross the rest of Montana early this morning. There is
not much activity showing up on radar as this front moves
through, so the main impact of this front will be to shift winds
to north to northeast. Winds across southeast Montana will be
breezy this afternoon. With these north to northeast winds, expect
temperatures to be cooler today. Highs are expected to only be
maybe as high as 60 degrees. By tomorrow afternoon, expecting the
start of a shift towards a more active, wetter pattern. A low will
start to move out of the Pacific Northwest and into the Northern
Rockies. As it moves east, showers will over spread the area. The
CAMs are showing some instability along the foothills and the
adjacent plains. Have kept the mention of isolated thunderstorms
in the forecast for Friday afternoon and early evening for these
areas. As the low pushes into the area Friday night, there will be
some stronger winds aloft. Given the shower activity, some of
this could mix down and make more a breezy night across the area.

.LONG TERM...valid for Sat...Sun...Mon...Tue...Wed...

A pattern change is expected Saturday night as a low moves down
from Canada bringing a chance of cooler and wetter weather for
the upcoming work week.

Slight ridging will build on Saturday ahead of the cold front that
will move through from the northwest on Saturday night. Saturday
is expected to be warmest day of the extended period with highs in
the mid 50`s to low 60`s. Winds and clouds are expected to
increase behind the front along with the chance of precipitation.

Beginning Saturday night, precipitation is expected almost every
day with the best chances being Saturday night through Sunday as
well as Tuesday into Wednesday morning. With the cooler high
temperatures Sunday through Tuesday, a chance of snow cannot be
ruled out but will mainly impact the high country and mountains. Lower
elevation snow cannot be ruled out due to the cooler
temperatures. Impacts from lower elevation snow will be minimal as
road temperatures will stay slightly warmer.

High temperatures on Sunday will struggle to reach 50 across the
CWA. High temperatures Monday through Wednesday will remain in
the high 30`s to mid 40`s with a slight warm up possible on
Thursday back into the 50`s.Low temperatures will be in the high
20`s to low 30`s. Carrothers


A cold front backing into the region will bring local MVFR
ceilings and isolated light showers or sprinkles this morning...
and mountains will be occasionally obscured. VFR will prevail this
afternoon through tonight. JKL


    Tdy Fri     Sat     Sun     Mon     Tue     Wed
BIL 059 040/058 039/062 037/050 031/040 032/040 032/043
    1/B 18/T    54/W    74/W    33/W    44/W    54/W
LVM 061 038/057 035/057 031/045 025/039 027/041 028/042
    0/U 09/T    43/W    64/W    33/W    45/W    54/W
HDN 059 039/061 037/061 037/051 030/046 032/046 032/045
    1/B 17/W    64/W    75/W    43/W    44/W    54/W
MLS 058 038/059 037/056 038/049 031/046 032/045 034/045
    1/B 15/W    73/W    64/W    22/W    33/W    43/W
4BQ 058 037/063 037/059 037/051 030/045 031/046 034/045
    1/B 25/W    82/W    64/W    32/J    44/W    43/W
BHK 057 034/055 033/051 034/047 027/043 028/042 032/044
    1/U 14/W    82/W    65/W    31/E    34/W    54/W
SHR 058 036/064 035/060 035/050 028/043 031/046 031/044
    1/B 07/T    72/W    55/W    53/W    44/W    54/W




$$ is the U.S. government's official web portal to all federal, state and local government web resources and services.