SATURDAY: Todays outlook and Snow
Hello everyone!
We’re shifting back into our regular daily forecast but first, today is Saturday, and we are now only hours away from our first significant snowfall of the season. Here’s the latest look across Michigan:
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Synoptic System: What We Know So Far
Weather models continue to consistently signal a push of colder air into the region paired with strengthening north winds. Ensemble guidance also remains steady in bringing the center of the low-pressure system through central Ohio, a track that supports widespread light-to-moderate snowfall across southern Michigan.
One lingering uncertainty continues to be soil temperatures. Most observations show readings between 40–45°F at a depth of two inches. Normally that would work against snow accumulation—however, we have real-world evidence this week from the U.P., where soil temperatures near 40°F still allowed accumulation thanks to large, efficient snowflakes and strong cooling of the surface layer. We’re expecting a similar scenario with this setup:
Temperatures in the lowest 3 miles of the atmosphere will hover close enough to freezing to support clumping, heavy flakes capable of sticking despite warmer ground.
Although this system will be fairly quick-moving, overnight lows dipping below freezing into Sunday morning will help accumulation occur rapidly. The forecast remains on track for 2–4 inches along the I-94 corridor and southward, with 1–3 inches possible just north of that zone. We’ll continue monitoring this area closely for any last-minute adjustments as mesoscale features sharpen.
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Lake-Effect Snow: Sunday Through Early Tuesday
Behind the departing system, attention immediately shifts to the strong lake-effect event expected from midday Sunday through early Tuesday (November 9–11). This setup has the potential to be high-impact, especially along the Lake Michigan shoreline.
A narrow but intense band is expected to develop, and conditions at times may resemble near-blizzard impacts particularly from Berrien County southward into northwest Indiana. Anticipate:
Visibility frequently dropping below 1 mile,
Snowfall rates possibly exceeding 1–2 inches per hour,
Significant lake-to-air temperature differences fueling instability,
And a high likelihood of thundersnow embedded within the band.
Residents along and west of US-31 should be prepared for rapidly deteriorating conditions, frequent whiteouts, and very difficult travel.
As winds shift to the northwest on Tuesday, the band will gradually weaken and drift inland. Some locations such as Kalamazoo, Grand Rapids, and Cadillac may pick up up to an inch or two, but it may take 36–48 hours for that accumulation to occur.
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Travel & Impact Overview
Travel from Holland to Chicago, will likely be significantly disrupted especially Monday. Heavy, wet snow clinging to trees that still hold leaves increases the risk of:
Power outages,
Tree limb damage,
And intermittent freeway closures, particularly within 30 miles of New Buffalo and Michigan City.
If travel is unavoidable, especially Monday morning through Monday night, please ensure your vehicle is fully winter-ready and allow extra travel time.
Also worth noting: This band will be extremely narrow, with snowfall totals potentially varying by a foot or more within just 10 miles. Hyper-local differences will be substantial.
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Timing Summary
System snow: Late Saturday night → early Sunday morning
Lake-effect band: Begins midday Sunday → peaks Monday → tapers off Tuesday (12–5 PM EST)
Here's SEVERAL models and what they think will happen.
NBM:
