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Anaconda-Deer, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for 4 Miles ENE Anaconda MT
National Weather Service Forecast for:
4 Miles ENE Anaconda MT
Issued by: National Weather Service Missoula, MT |
| Updated: 2:01 pm MDT May 15, 2026 |
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Tonight
Mostly Cloudy
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Saturday
Rain/Snow
Likely
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Saturday
Night
Rain/Snow
Likely then
Chance Snow
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Sunday
Chance Snow
then
Rain/Snow
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Sunday
Night
Rain/Snow
Likely then
Mostly Cloudy
|
Monday
Slight Chance
Snow then
Slight Chance
Rain/Snow
|
Monday
Night
Partly Cloudy
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Tuesday
Mostly Sunny
then Chance
Showers
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Tuesday
Night
Mostly Cloudy
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| Lo 33 °F |
Hi 49 °F |
Lo 27 °F |
Hi 45 °F |
Lo 26 °F |
Hi 50 °F |
Lo 27 °F |
Hi 59 °F |
Lo 31 °F |
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Winter Weather Advisory
Tonight
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Mostly cloudy, with a low around 33. North wind around 6 mph becoming light and variable after midnight. |
Saturday
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Rain and snow likely before 2pm, then rain showers likely between 2pm and 4pm, then rain and snow showers likely after 4pm. Some thunder is also possible. Snow level 5000 feet rising to 5900 feet in the afternoon. Mostly cloudy, with a high near 49. Light north northwest wind becoming west northwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected. |
Saturday Night
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Snow likely, possibly mixed with rain, becoming all snow after 9pm. Mostly cloudy, with a low around 27. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected. |
Sunday
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Snow showers before 3pm, then rain and snow showers. Some thunder is also possible. High near 45. West wind 6 to 11 mph becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible. |
Sunday Night
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Rain and snow likely before midnight. Mostly cloudy, with a low around 26. North wind 16 to 21 mph becoming light north northwest after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected. |
Monday
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A slight chance of snow before noon, then a slight chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 50. Chance of precipitation is 20%. |
Monday Night
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Partly cloudy, with a low around 27. |
Tuesday
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A chance of showers and thunderstorms after noon. Snow level rising to 7000 feet in the afternoon. Mostly sunny, with a high near 59. |
Tuesday Night
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Mostly cloudy, with a low around 31. |
Wednesday
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A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. |
Wednesday Night
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Mostly cloudy, with a low around 35. |
Thursday
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Mostly sunny, with a high near 69. |
Thursday Night
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Partly cloudy, with a low around 38. |
Friday
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A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. |
Forecast from NOAA-NWS
for 4 Miles ENE Anaconda MT.
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Weather Forecast Discussion
881
FXUS65 KMSO 152035
AFDMSO
Area Forecast Discussion
National Weather Service Missoula MT
235 PM MDT Fri May 15 2026
.DISCUSSION...
KEY MESSAGES:
- Unsettled, cool, and showery conditions persist into the
weekend.
- Mountain snow this weekend will create difficult conditions for
backcountry recreation, especially along the Continental
Divide.
- Widespread frost and freezing temperatures are highly likely
Sunday through Tuesday mornings.
Showery conditions have developed this afternoon under modest
instability and moisture ahead of an approaching trough. Showers
will mainly favor the higher terrain across northwest Montana. Snow
levels will continue to hover around 5,000-6,000 feet, so light
snow accumulations will remain confined to the higher terrain.
A more organized low pressure system will begin to drop into
western Montana and north central Idaho this weekend, bringing
increased chances for precipitation area wide. The system has
anomalously cold air associated with it, and will drop snow
levels as low as 4000 feet by Sunday morning. Accumulating snow is
anticipated for the higher elevations, bringing difficult
conditions for backcountry recreation due to slushy snow
accumulations on unpaved roadways. Cold, wet and breezy conditions
will increase the hypothermia risk for any recreationalists. The
precipitation looks to intensify along the Continental Divide on
Sunday as northeasterly flow enhances lift along the Continental
Divide. Accumulating slushy snow even into the higher elevation
valleys in southwest Montana (Butte) is possible. Winter weather
advisories have been issued for the higher terrain and may need to
be expanded westwards on future shifts.
Unseasonably cold temperatures will be in place Sunday through
early next week, bringing the threat for a frost/freeze across
many valleys of western Montana and north central Idaho. Those
with sensitive vegetation or early season plantings may want to
take protective measures, especially on Monday morning when frost
has the potential to be most widespread due to decreased cloud
cover.
A general warming trend is anticipated next week, though generally
returning to normal for this time of year. A period of brief
drying is possible but may not be long lasting.
&&
.AVIATION... West winds of about 10 to 20 knots will be widespread
this afternoon ahead of a trough of low pressure approaching from
the west. Scattered showers at KMSO and KGPI may bring brief,
localized reductions in visibility into this evening. More
widespread showers will arrive overnight tonight or early Saturday
morning, favoring KGPI, KMSO, and KHRF. Expect widespread lowered
ceilings down to about 2500 feet by Saturday morning, as well as
continued precipitation through about midday transitioning to
scattered showers and thunderstorms in the afternoon. Precipitation
will obscure terrain throughout the Northern Rockies airspace.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...Winter Weather Advisory from midnight Saturday night to midnight
MDT Sunday night for Bitterroot/Sapphire Mountains...
Butte/Blackfoot Region...Potomac/Seeley Lake Region...West
Glacier Region.
ID...None.
&&
$$
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