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Deer Lodge, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Deer Lodge MT
National Weather Service Forecast for:
Deer Lodge MT
Issued by: National Weather Service Missoula, MT |
| Updated: 3:01 pm MST Jan 30, 2025 |
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Tonight
Mostly Cloudy
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Friday
Cloudy
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Friday
Night
Chance Wintry
Mix then
Chance Snow
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Saturday
Snow Likely
and Patchy
Blowing Snow
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Saturday
Night
Slight Chance
Snow then
Mostly Cloudy
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Sunday
Slight Chance
Snow
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Sunday
Night
Chance Snow
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Monday
Chance Snow
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Monday
Night
Chance Snow
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| Lo 8 °F |
Hi 39 °F |
Lo 25 °F |
Hi 35 °F |
Lo 10 °F |
Hi 26 °F |
Lo 0 °F |
Hi 15 °F |
Lo -2 °F |
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Winter Weather Advisory
Winter Storm Watch
Tonight
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Mostly cloudy, with a low around 8. Wind chill values as low as -1. South wind around 7 mph. |
Friday
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Cloudy, with a high near 39. South southwest wind 7 to 15 mph, with gusts as high as 25 mph. |
Friday Night
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A slight chance of rain, snow, and freezing rain before 8pm, then a chance of snow. Mostly cloudy, with a low around 25. South southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible. |
Saturday
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Snow likely. Patchy blowing snow before noon, then patchy blowing snow after 2pm. Mostly cloudy, with a high near 35. Breezy, with a south southwest wind 17 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible. |
Saturday Night
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A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 10. West northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 25 mph. |
Sunday
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A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 26. |
Sunday Night
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A 50 percent chance of snow. Mostly cloudy, with a low around 0. New snow accumulation of less than one inch possible. |
Monday
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A chance of snow. Cloudy, with a high near 15. |
Monday Night
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A chance of snow. Cloudy, with a low around -2. |
Tuesday
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A chance of snow. Mostly cloudy, with a high near 14. |
Tuesday Night
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A chance of snow. Mostly cloudy, with a low around -2. |
Wednesday
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A chance of snow. Mostly cloudy, with a high near 19. |
Wednesday Night
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A slight chance of snow. Partly cloudy, with a low around -3. |
Thursday
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A slight chance of snow. Partly sunny, with a high near 21. |
Forecast from NOAA-NWS
for Deer Lodge MT.
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Weather Forecast Discussion
344
FXUS65 KMSO 302147
AFDMSO
Area Forecast Discussion
National Weather Service Missoula MT
247 PM MST Thu Jan 30 2025
.DISCUSSION...
KEY MESSAGES:
*Friday-Saturday: valley freezing rain and heavy mountain snow
creating hazardous travel conditions across Northern Rockies.
*Saturday afternoon-evening: snow squall threat across west
central and southwest Montana.
*Sunday-Monday: arctic airmass will move west of the Continental
Divide.
*Middle of next week: model agreement on significant snow
accumulation event across southwest Montana and Lemhi County.
High pressure and the related stagnant airmass will remain over
the Northern Rockies through midday Friday. Anticipate continued
strong valley temperature inversions, with reductions in air
quality, during this time.
The first winter storm system in a multiday storm cycle will arrive
over the Northern Rockies Friday afternoon, producing widespread
travel impacts, including freezing rain (mainly valleys/low
elevations), snow/blowing snow (mainly high elevations/passes), and
mixed precipitation. Global models suggest that a surge of
relatively warm Pacific moisture will quickly warm air
temperatures above freezing and increase winds over the terrain
Friday evening and overnight. This sudden warming, combined with
valley ground temperatures that will be very slow to warm from the
strong temperature inversions in place during the past couple of
weeks, will result in freezing rain and flash freezing to occur at
air temperatures well above freezing Friday evening through
Saturday morning. Be prepared for travel conditions to deteriorate
suddenly.
The second phase of the upcoming winter storm cycle will occur
during the day Saturday, when westerly flow and cooling aloft
will allow intense bands of snow to develop across west central
and southwest Montana. These banded snow events can support snow
squalls, when the combination of intense snow, low visibility, and
rapidly changing road conditions can lead to multi-vehicle
pileups.
The third phase (and beyond) of the forthcoming storm cycle will
occur Sunday evening through early next week, when an arctic airmass
is anticipated to move west of the Continental Divide. In addition
to below zero degree wind chill (particularly near the Divide), some
models suggest that another subtropical surge of moisture will move
over the Northern Rockies. Even more model agreement exists (nearly
90 percent probability) in suggesting that an intense low pressure
circulation will move over southwest Montana and Lemhi County
Idaho around the middle of next week, producing a significant
snow accumulation event.
&&
.AVIATION...High pressure over the Northern Rockies air space
will weaken through Friday, ahead of a significant, multi-day
winter storm cycle (beginning Friday afternoon). The combination
of valley fog and stratus will slowly erode through Friday midday,
with the lowest flight categories concentrated among northwest
Montana air fields. Winds from the west-southwest at ridgetop and
above will intensify to greater than 40 knots from now through
Friday. Clouds will also increase over the region on Friday, as a
surge of subtropical moisture moves into the air space. Terrain
obscurations will return after 31/1500Z.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...Winter Storm Warning from 11 AM Friday to 5 PM MST Saturday for
Bitterroot/Sapphire Mountains.
Winter Storm Watch from late Saturday night through late Tuesday
night for Bitterroot/Sapphire Mountains.
Air Stagnation Advisory until 5 AM MST Friday for
Kootenai/Cabinet Region...Lower Clark Fork Region...
Missoula/Bitterroot Valleys...Potomac/Seeley Lake Region.
Winter Weather Advisory from 5 PM Friday to 5 PM MST Saturday
for Butte/Blackfoot Region...Missoula/Bitterroot Valleys.
Winter Storm Warning from 11 AM Friday to 5 AM MST Saturday for
Flathead/Mission Valleys...Kootenai/Cabinet Region...West
Glacier Region.
Winter Storm Watch from Sunday morning through Monday afternoon
for Kootenai/Cabinet Region...West Glacier Region.
Winter Storm Watch from Sunday morning through Tuesday evening
for Flathead/Mission Valleys.
Winter Storm Warning from 11 AM Friday to 11 AM MST Saturday for
Lower Clark Fork Region.
Winter Storm Watch from Sunday morning through late Tuesday
night for Butte/Blackfoot Region...Lower Clark Fork
Region...Missoula/Bitterroot Valleys...Potomac/Seeley Lake
Region.
Winter Weather Advisory from 11 AM Friday to 5 PM MST Saturday
for Potomac/Seeley Lake Region.
ID...Winter Storm Warning from 10 AM Friday to 4 PM PST Saturday for
Northern Clearwater Mountains...Southern Clearwater
Mountains.
Winter Storm Watch from late Saturday night through late Tuesday
night for Northern Clearwater Mountains...Southern
Clearwater Mountains.
Air Stagnation Advisory until 5 AM MST /4 AM PST/ Friday for
Eastern Lemhi County...Orofino/Grangeville Region.
Winter Weather Advisory from 10 AM Friday to 10 AM PST Saturday
for Orofino/Grangeville Region.
Winter Weather Advisory from 5 PM Friday to 5 PM MST Saturday
for Eastern Lemhi County...Western Lemhi County.
&&
$$
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