textproduct: Gaylord

KEY MESSAGES

- Showers tonight...ending on Sunday

- Widespread frost/freeze looking likely Monday night

- Seasonably mild with little evidence of significant weather the remainder of next week

DISCUSSION

Issued at 119 PM EDT Sat Oct 3 2026

Pattern Synopsis/Forecast:

High pressure (responsible for this mornings frost-producing temperatures) pushing steadily off to our east...forced to do so by rapidly approaching northern stream wave and its attendant cold front. Weak return flow and morning sunshine helping drive a respectable temperature recovery across the Northwoods...with current readings making a run into the 60s.

Upstream wave/cold front will continue to work steadily east, slicing across northern Michigan tonight into Sunday morning. High pressure and surge of seasonably chilly air to follow this wave to kick off next work week. Progressive northern stream flow will remain through next week, with any embedded waves remaining completely disconnected to any tropical moisture connection. Temperature trends and any additional light shower chances next week will be dependent on timing of these waves. However, trends and simple pattern recognition support any real chilly are remaining removed to our north after Monday night, and shower chances being limited with only depleted Pacific supplied moisture contributions.

Primary Forecast Concerns:

Shower evolution tonight into Sunday and temperature trends into early next week...especially centering on Monday night.

Details:

Shower chances will be on the increase heading into this evening and overnight as that upstream wave approaches. Again, juxtaposition of best forcing and deepest moisture through the vertical looks to center across eastern upper Michigan during the overnight. Expect showers to be most numerous up there, with overall shower coverage and organization decreasing as one travels south. Definitely not expecting any significant rains with overall limited moisture, but could see some better than quarter inch amounts...especially north of that big bridge. Shortwave trough and cold front work east across the area Sunday morning, taking any lingering rain threat east along with them. Decent shot of cold air advection will follow this front, helping drop temperatures back into the 30s by later Sunday night/early Monday morning. Cold enough to produce frost, although maintenance of northwest winds will likely prevent its formation. May also see a limited response off Lake Superior, but any shower threat into eastern upper should be significantly muted by rather dry moisture profiles.

Despite mostly sunny skies Monday, chilly overhead airmass will likely keep most areas in the 50s for highs. This sets the stage for some cold conditions Monday night as high pressure crosses directly overhead. Nocturnal temperature response should be a quick and aggressive one with clear skies/light winds during the evening. May see a bit of late night return flow as the high center begins to push off to the east. Still, likely looking at widespread lows in the upper 20s and lower 30s away from coastal areas before any recovery can occur.

Really not a whole lot to talk about for the remainder of next week. Overall trends support temperatures running a few degrees either side of specific normal values (but well within the range of the more typical normal spread that occurs in October). May see some low end shower chances at times, but overall theme should be largely a dry one as moisture profiles remain very limited.

AVIATION /00Z TAFS THROUGH 00Z MONDAY/

Issued at 1139 PM EDT Sat Oct 3 2026

MVFR cigs arriving late tonight into Sunday morning. Multiple rounds of showers will work west to east across much of northern MI tonight. Most persistent rain will be further north, PLN/CIU. MBL will see relatively little rain. Most sites will see cigs lower to MVFR at some point late tonight into early afternoon Sunday.

Current light southerly winds will increase overnight, becoming w and nw by late Sunday. LLWS possible very late tonight, mainly PLN/TVC.

APX WATCHES/WARNINGS/ADVISORIES

MI...None. MARINE...Small Craft Advisory until 3 PM EDT Monday for LHZ345>348. Small Craft Advisory until 3 PM EDT Sunday for LHZ349. Small Craft Advisory until 8 AM EDT Monday for LMZ323-341-342- 344-345. Small Craft Advisory until 11 AM EDT Sunday for LMZ346. Small Craft Advisory until 11 AM EDT Monday for LSZ321-322.