Munising Area Trail Report – 12/18
MUNISING AREA UPDATE via Alger County Sorva – 12/18 TRAIL REPORT – Saturday, December 18, 7:25am IT’S A MIX BUT THERES HOPE! Since the warmup there has been a dusting of snow and trails are freezing up. There are some trees down from the high winds so please ride with caution. Overall we consider trails a 30/70 mix of poor to fair. Our choosing to hold off on early season grooming appears to have paid off. The previously ungroomed main trails did not lose as much snow and are now grooming out rather well. Please be patient as we clear trees and start grooming. Also give a shout out to those riders helping clear trees on their own. Detailed Report Here: https://www.algersorva.com/trailreport/12-18-2021/ <> MUNISING AREA UPDATE via TNT Trenary Northern Trails – <> REGIONAL TRAIL REPORTS Visit Alger County SORVA Facebook Page >>>> <> Visit Alger County SORVA Trail Report >>>> <> Visit TNT Trenary Northern Trails Facebook Page >>>> <> WEATHER UPDATE via US National Weather Service Marquette Michigan >> Lake effect snow ends over the north-northwest wind snow belts today. A couple more fluffy inches and some blowing snow is still expected over the north central and eastern U.P. this morning. A quick hitting system looks to bring 1 to 4 fluffy inches of snowfall tonight through Saturday morning. West to northwest winds as high as 45 mph are expected to make a return over the Keweenaw on Saturday. #miweather #keweenaw #westernup #marquette #munising #seney #newberry #soo #straitsareaLake effect snow ends over the north-northwest wind snow belts today. A couple more fluffy inches and some blowing snow is still expected over the north central and eastern U.P. this morning. A quick hitting system looks to bring 1 to 4 fluffy inches of snowfall tonight through Saturday morning. West to northwest winds as high as 45 mph are expected to make a return over the Keweenaw on Saturday. MUNISING AREA UPDATE via Munising Motor Sports >> Here's an update on what it looks like this morning compared to yesterday!!! We've gotten around 2 inches of snow and it's snowing and blowing currently! Keep doing those snow dances!!! 🕺 💃 ❄️❄️ WEATHER UPDATE via Michigan Storm Chasers >> Lake effect totals through Friday afternoon, December 19th, 2025 have been updated slightly to account for latest shifts in atmospheric conditions. MUNISING AREA UPDATE via TNT Trenary Northern Trails >> This is the earliest we were able to successfully pan the whole trail since we have started grooming. Brandon was able to get almost everything relatively smooth. We need a little more snow to fill the ditch and freeze in the hole along CO RD 456. But the rest of the trail is in rideable early season shape. This year is shaping up to be far better than the last 2 years for snowfall in our area. With luck, we can have a successful season and with your help, we can keep it a safe one also. Please ride with caution and please ride safe all year! #munising #snowphotos WEATHER UPDATE via US National Weather Service Marquette Michigan >> Active weather is expected for the remainder of the work week. Winds pick up tonight, gusting to 25-45mph (highest in the western and north-central UP), falling back into Thursday morning. Light rain and patchy mixed precipitation return Thursday morning, transitioning over to widespread snow late Thursday into Thursday night before tapering off to light lake effect snow Friday. The heaviest snow accumulations will be across the far western UP. #miweather #keweenaw #westernup #marquette #munising #seney #newberry #soo #straitsarea <> Latest Trail Reports – Quick Links <>
Today’s Trail Report brought to you by: The Holiday Inn Express – Munising, MI https://www.ihg.com/holidayinnexpress/hotels/us/en/munising/munmiPostings From Regional Pages On Facebook
Hope you all have a great day, IT'S FRIDAY!!! #munising #snowphotos
Discussion
As temperatures fall early Friday, moisture pools back in, mixed with colder air over the warmer lakes, turning on the lake effect machine for both of the Great Lakes that influence our normal lake effect zones. A respectable 1-3" to 2-5" is possible in the fairly typical areas shown on the map. The narrow lane of higher elevation across the Keweenaw Peninsula and Porcupine Mountains are most-likely to experience totals exceeding 6". You may have noticed our one main change was the expansion of T-1" over to the east side of the state just as a general precaution to any snow squalls that make it across the state. Not everyone will get a rogue snow squall, but it is in the odds for nearly everyone. A snow squall is a thin, but intense band of quick snow that can produce at least half an inch of snow in minutes time, while knocking visibility down from 10 miles, to a quarter mile in moments time. Additionally, a quick coating of snow may hide any ice that was able to form from the freeze later tonight. Lake effect snow and snow squalls are poised to start later this evening around 8 pm EST (earlier for the western UP), and run primarily through 1 pm EST Friday. A couple lake effect bands may last through 6 pm across northern Michigan near Gaylord, and the central UP near Munising.
Each area is never guaranteed the totals shown on the screen. This is why we call it a prediction. The totals that are shown however do have the greatest odds of occurring. Yes, we are still trying to find that crystal ball, but no luck to this point. Follow us here at Michigan Storm Chasers for forecast updates, and a little humor on the side, throughout the next few days, and as always, 365 days a year! #miweather #keweenaw #westernup #marquette #munising #seney #newberry #soo #straitsarea #gaylord #cadillac #benzie #traversecity #petoskeyLake effect totals through Friday afternoon, December 19th, 2025 have been updated slightly to account for latest shifts in atmospheric conditions.
Discussion
As temperatures fall early Friday, moisture pools back in, mixed with colder air over the warmer lakes, turning on the lake effect machine for both of the Great Lakes that influence our normal lake effect zones. A respectable 1-3" to 2-5" is possible in the fairly typical areas shown on the map. The narrow lane of higher elevation across the Keweenaw Peninsula and Porcupine Mountains are most-likely to experience totals exceeding 6". You may have noticed our one main change was the expansion of T-1" over to the east side of the state just as a general precaution to any snow squalls that make it across the state. Not everyone will get a rogue snow squall, but it is in the odds for nearly everyone. A snow squall is a thin, but intense band of quick snow that can produce at least half an inch of snow in minutes time, while knocking visibility down from 10 miles, to a quarter mile in moments time. Additionally, a quick coating of snow may hide any ice that was able to form from the freeze later tonight. Lake effect snow and snow squalls are poised to start later this evening around 8 pm EST (earlier for the western UP), and run primarily through 1 pm EST Friday. A couple lake effect bands may last through 6 pm across northern Michigan near Gaylord, and the central UP near Munising.
Each area is never guaranteed the totals shown on the screen. This is why we call it a prediction. The totals that are shown however do have the greatest odds of occurring. Yes, we are still trying to find that crystal ball, but no luck to this point. Follow us here at Michigan Storm Chasers for forecast updates, and a little humor on the side, throughout the next few days, and as always, 365 days a year!
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