Updated: 3:00 AM MDT on August 23, 2014
Overcast with rain. High of 54F. Breezy. Winds from the North at 15 to 25 mph with gusts to 30 mph. Chance of rain 100% with rainfall amounts near 0.6 in. possible.
Overcast with rain, then a chance of rain after midnight. Fog overnight. Low of 43F. Winds from the North at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Overcast with a chance of rain. High of 63F. Winds from the NNW at 5 to 10 mph. Chance of rain 30%.
Overcast in the evening, then mostly cloudy. Low of 39F. Winds less than 5 mph.
Overcast with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 63F. Winds from the ESE at 5 to 10 mph. Chance of rain 20%.
Mostly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then clear. Low of 45F. Winds from the SSE at 5 to 15 mph.
Clear in the morning, then overcast. High of 72F. Winds from the South at 5 to 10 mph.
Partly cloudy. Low of 52F. Winds from the SSW at 5 to 10 mph.
Partly cloudy in the morning, then clear. High of 79F. Winds from the WSW at 5 to 10 mph.
Clear. Low of 54F. Winds from the WSW at 10 to 15 mph.
Partly cloudy. High of 86F. Breezy. Winds from the WSW at 10 to 20 mph.
Mostly cloudy. Low of 55F. Winds from the WSW at 10 to 15 mph.
Partly cloudy. High of 81F. Winds from the WSW at 10 to 15 mph.
Partly cloudy. Low of 48F. Winds from the WSW at 5 to 15 mph.
Mostly cloudy. High of 81F. Winds from the WSW at 5 to 10 mph shifting to the North in the afternoon.
Overcast with a chance of rain. Low of 48F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Mostly cloudy. High of 68F. Winds from the West at 5 to 10 mph.
Partly cloudy. Low of 46F. Winds from the West at 5 to 10 mph.
Clear. High of 70F. Winds from the West at 5 to 10 mph.
Clear. Low of 46F. Winds from the West at 5 to 10 mph.
Clear. High of 66F. Winds from the West at 5 to 10 mph.
Clear. Low of 46F. Winds from the West at 5 to 10 mph.
... Winter Weather Advisory remains in effect until noon MDT
Saturday above 6500 feet...
A Winter Weather Advisory above 6500 feet remains in effect until
noon MDT Saturday.
* Impacts/timing: an unseasonably cold Canadian air mass will
descend upon the Continental Divide overnight... with air
temperatures steadily cooling through Saturday. At the same time
precipitation will steadily intensify along the Continental
Divide tonight and continue at a heavy rate through Saturday
morning. This combination will drive the snow level down to
between 6500 and 7000 feet.
* Additional impacts: persons hiking... traveling or recreating
between 5000 feet and 6500 feet should be prepared for a very
cold rain... which when combined with winds of 10 to 20 mph and
air temperatures in the 30s and 40s could heighten hypothermia
* Snow accumulations: 1 to 3 inches between 6500 feet and 7000
feet... including Logan Pass. 2 to 5 inches above 7000 feet.
Locally higher amounts of up to 8 inches are possible on the
highest peaks of the bob Marshall wilderness.
A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. In this case the most
significant impacts will be felt to those hiking and visiting the
higher terrain trails and usfs roads. Be prepared for snow
covered roads and limited visibilities... and use caution while
Personal Weather Stations [Add your weather station!]
Updated: 12:45 AM MDT
|Temperature: 56 °F||Dew Point: -||Humidity: -||Wind: Calm||Pressure: -||Hourly Precipitation: 0.00 in||Windchill: -||Graphs|
Location: Blankenship, Columbia Falls, MT
Updated: 1:25 AM MDT
|Temperature: 49.6 °F||Dew Point: 41 °F||Humidity: 72%||Wind: Calm||Pressure: 30.19 in||Hourly Precipitation: 0.00 in||Windchill: 50 °F||Graphs|
Location: Teakettle Mt., Columbia Falls, MT
Updated: 1:29 AM MDT
|Temperature: 50.8 °F||Dew Point: 42 °F||Humidity: 73%||Wind: Calm||Pressure: 30.14 in||Hourly Precipitation: 0.00 in||Windchill: -||Graphs|
Location: Glacier Hills West, Martin City, MT
Updated: 1:29 AM MDT
|Temperature: 52.0 °F||Dew Point: 37 °F||Humidity: 57%||Wind: Calm||Pressure: 30.14 in||Hourly Precipitation: 0.00 in||Windchill: -||Graphs|
Location: 8th St. W Hungry Horse, Hungry Horse, MT
Updated: 12:29 AM MST
|Temperature: 52.9 °F||Dew Point: 43 °F||Humidity: 70%||Wind: SE at 4.5 mph||Pressure: 29.91 in||Hourly Precipitation: 0.00 in||Windchill: -||Graphs|
Updated: 12:30 AM MDT
|Temperature: 51 °F||Dew Point: -||Humidity: -||Wind: Calm||Pressure: -||Hourly Precipitation: 0.00 in||Windchill: -||Graphs|
Location: RAWS POLEBRIDGE MT US, Polebridge, MT
Updated: 12:53 AM MDT
|Temperature: 45 °F||Dew Point: 39 °F||Humidity: 80%||Wind: NE at 3 mph||Pressure: -||Hourly Precipitation: 0.00 in||Windchill: 45 °F||Graphs|
MSN Maps of:
|Temp:||Dew Point:||Humidity||Wind||Pressure||Hr Precip||-|
Area forecast discussion National Weather Service Missoula Montana 304 PM MDT Fri Aug 22 2014 ..accumulating mountain snow above 6500ft along Continental Divide... ..Potential for patchy morning frost Tuesday and Wednesday next week... Discussion...an area of widespread showers and thunderstorms are starting to fire across the southern Bitterroot and Clearwater Mountains this hour. This activity is forming near a developing mid-level circulation and will very slowly move to the northeast before gradually curving to the northwest. Severe weather is unlikely today, given the cool atmosphere and low cloud tops, so heavy rainfall will be the key threat. This will especially be the case near wildfire burn areas and remain closely watched through the evening. For further details regarding the flooding potential over the next 24 hours and the currently issued Flood Watch, please see the below hydrology discussion. An intensification of precipitation is expected tonight as the mid level circulation further develops and strengthens. The focus for this precipitation will be two fold. The developing late tonight across the southern Bitterroot/Sapphire mtns eastward through the Anaconda- pinter wilderness towards Butte. Locations such as Hamilton, philibsburg, Georgetown Lake, Sula, Lost Trail Pass, Butte and perhaps even as far north as Stevensville will experience a period of heavy rainfall. The next area of focused precipitation will fall along the Continental Divide from the Canadian border southward to around MacDonald Pass. This precipitation will be fed by an extremely moist atmosphere across the upper plains states and further accentuated by strong easterly winds producing up slope flow along the leeward side of The Divide. But descending cold air from Canada will add an additional element of complexity to the forecast and result in the snow level lowering to around 6500ft under this area of heavy precipitation. Thus a Winter Weather Advisory will go into effect for Glacier National Park and the bob Marshall wilderness from 10pm tonight through midday Saturday. Generally speaking, 1 to 3 inches are expected between 6500 and 7000ft with 2 to 5 inches possible above 7000ft. The highest peaks could potentially see upwards of 8 inches under extremely heavy precipitation cores by Saturday morning. Those with plans to adventure in Glacier National Park or other trails along The Divide should plan for cold, wet conditions at all elevations with snow expected across the higher terrain above 6500ft. Conditions will begin to improve throughout Saturday from west to east with most precipitation completed by Sunday morning, revealing a cool, but pleasant Sunday. Next week will start out with another trough over the northern rockies which should increase the shower chances again and keep temps slightly below normal. High pressure then appears to build midweek with cold mornings and warm dry afternoons. This lull in the active fall pattern is transient as computer models continue to show even colder systems coming down from the Bering Sea into the Pacific northwest for Labor Day weekend into the first week of September. /Ss && Hydrology...a Flood Watch remains in effect through midday tomorrow given the potential for convective redevelopment overnight across Clearwater, Ravalli, Missoula, Lemhi, Granite, Deer Lodge and Silver Bow County. Some minor urban flooding (ponding of water on roads) will be possible with some burn areas being threatened. Meanwhile farther north convective precipitation is expected to gradually transition to more light, stratiform rainfall by late this evening. This combined with a slowly falling snow level overnight will inhibit the potential for flooding and thus the Flood Watch for Flathead, Lake and Powell County will be in effect till 10pm. There may be some minor issues with stream decending from The Divide should the maximum rate of precipitation become incredibly intense. However these concerns should remain limited to the east side of The Divide. Aviation...thunderstorms are starting to develop along the terrain of southwest Montana and north central Idaho. Thunderstorm coverage will continue to increase through the afternoon and is expected to transition into steady precipitation tonight. Aviation terminals kbtm, kmso and ksmn will have the best chance to see a thunderstorm this afternoon with the main impacts being brief heavy rain, small hail and gusty winds. Ceilings will also significantly lower and visibility may go below 3 miles under intense rainfall. Kgpi will see some passing showers this afternoon but is expected to see drier conditions as breezy northeasterly winds move in this evening. For tonight, expect steady moderate precipitation at kbtm, ksmn and kmso. Ceilings and visibility will steadily drop through Saturday morning which may cause travel delays. && Mso watches/warnings/advisories... Montana...Lake Wind Advisory until 9 PM MDT this evening for Flathead Lake in the Flathead/mission valleys. Winter Weather Advisory from 10 PM this evening to noon MDT Saturday above 6500 feet for the Potomac/Seeley Lake region...West Glacier region. Idaho...none. && $$ Follow US on facebook and twitter! Https://www.Facebook.Com/nwsmissoula https://www.Twitter.Com/nwsmissoula Dickerson/ss