Updated: 2:02 PM MDT on September 4, 2015
Scattered rain showers in the evening...then numerous rain showers after midnight. Chance of showers 70 percent. Lows in the 40s. Northeast winds to 15 mph.
Rain likely. Chance of rain near 100 percent. Rain may be heavy at times in the afternoon. Highs in the upper 40s to mid 50s.
Rain likely in the evening...then a chance of rain after midnight. Chance of rain near 100 percent. Lows in the upper 30s to mid 40s.
Mostly cloudy with a 30 percent chance of rain showers. Highs in the mid 50s to lower 60s.
Mostly cloudy. A chance of rain in the evening... then slight chance of rain showers after midnight. Chance of precipitation 30 percent. Lows in the mid 30s to lower 40s.
Mostly cloudy with a 30 percent chance of rain showers. Highs in the 60s.
Mostly cloudy with a 20 percent chance of rain showers in the evening...then partly cloudy after midnight. Lows in the mid 30s to lower 40s.
Partly cloudy. A 20 percent chance of rain showers in the afternoon. Highs in the mid 60s to lower 70s.
Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the 40s.
Partly cloudy. Highs in the upper 60s to mid 70s.
Mostly clear. Lows in the 40s.
Mostly sunny. Highs in the 70s.
Mostly clear. Lows in the 40s.
Mostly sunny. Highs in the mid 70s to lower 80s.
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Area forecast discussion National Weather Service Missoula Montana 252 PM MDT Friday Sep 4 2015 ..cold & wet Labor Day weekend with snow above 6500ft... Discussion...models have changed very little over the past 12 hours, so only minor adjustments were made with an emphasis placed on refining the details of heaviest precipitation placement along with the threat of mountain snow. First, let's talk snow! We issued a Winter Weather Advisory above 6500ft for the higher terrain along the Continental Divide. This is primarily for those with plans to adventure in the mountains and back country this weekend. But do anticipate accumulating snow at some more frequently traveled locales, such as: Logan Pass in Glacier National Park, Skalkaho Pass in the Sapphire mtns., Perhaps briefly over Lost Trail Pass in Lemhi county; Gilmore Summit and Williams Creek pass all will see the threat for accumulating snow. So those with travel or back country adventure plans in western Montana should be prepared to encounter winter- like conditions developing Saturday afternoon and persisting overnight into Sunday morning. As far as rain GOES, the forecast was adjusted somewhat to account for some subtle changes to the overall path of the upper level low. In general, the trend has now placed more precipitation across northwest Montana and especially along the Continental Divide (think bob Marshall wilderness & Glacier National park) while suggesting slightly lesser amounts falling over SW Montana and north central Idaho. So plan for cold, wet conditions this weekend, even if you don't plan to be in the high country. This storm system will be a significant rain maker for many locations and likely present a near death blow to many area wildfires. ~Iv Showery conditions will persist Sunday with the best chance for rain lingering across northwest Montana and along the Continental Divide. Showers will again linger on Monday as the main trough passes to the east and a weak shortwave arrives from the west. A general drying and warming trend is expected for the rest of next week with westerly flow to develop. High temperatures will return to near normal (mid 70s) for the second half of the week. && Aviation...a narrow band of precipitation will continue to impact kbtm and ksmn causing low ceilings and reduced visibility. This band will shift off to the east. As the low pressure system moves into the area showers will increase in coverage tonight. All terminals will be impacted by low ceilings and periodic reduced visibility. Mountains and passes will be obscured much of the night due to the low clouds. && Mso watches/warnings/advisories... Montana...Winter Weather Advisory from noon Saturday to 9 am MDT Sunday above 6500 feet for the Bitterroot/Sapphire Mountains... Butte/Blackfoot region...Potomac/Seeley Lake region. Winter Weather Advisory from noon Saturday to 9 am MDT Sunday above 6500 feet for the West Glacier region. Idaho...Winter Weather Advisory from noon Saturday to 9 am MDT Sunday above 6500 feet for the eastern Lemhi County...western Lemhi County. && $$