West Virginia · live outlook · refreshes every 3 h

West Virginia sap flow forecast

The next several days for West Virginia's sugaring country, read the way a sugarmaker reads them: how cold the night gets, how warm the afternoon gets, and whether that adds up to a run.

West Virginia highlighted on a map of the maple belt, with its forecast town (Kingwood) marked — West Virginia in the maple beltDots: Kingwood

Season opens: Feb 4; typical
Closes: Mar 12; typical

86 days to the usual opening. When to tap in West Virginia

Kingwood · Preston County has 14,655 of West Virginia's 71,699 taps (20.4%), the most of any county with published figures (2022 Census of Agriculture).

Forecast for Kingwood

Updated Nov 10, 8:52 AM EST

3 sap days in the next 6

freeze thaw 32°F

WedNov 11
40° / 62°
0h below · 24h above
No refreeze forecast
Low of 40°F — no refreeze is forecast. An earlier run may continue, then slow; temperature alone cannot rule out flow.
ThuNov 12
43° / 49°
0h below · 24h above
No refreeze forecast
Low of 43°F — no refreeze is forecast. An earlier run may continue, then slow; temperature alone cannot rule out flow.
FriNov 13
32° / 39°
2h below · 18h above
No refreeze forecast
Low of 32°F — no refreeze is forecast. An earlier run may continue, then slow; temperature alone cannot rule out flow.
SatNov 14
28° / 39°
12h below · 10h above
Sap likely
Freeze (28°F) then 39°F — a real freeze-thaw day.
SunNov 15
26° / 43°
10h below · 13h above
Classic sap day
Low 26°F, high 43°F — nights in the 20s and days in the 40s: the textbook sap day.
MonNov 16
26° / 47°
Classic sap day
Low 26°F, high 47°F — nights in the 20s and days in the 40s: the textbook sap day.

Data: National Weather Service. Verdicts use freeze-thaw thresholds from maple field research; your woods may run a little differently.

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Hourly temperatures for your exact spot, turned into a day-by-day sap-run outlook. US and Canada.

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Data & method · 4

1.National Weather Service API · NOAA National Weather Service
2.Sap flow in sugar maple: timing and weather drivers (Frontiers in Agronomy, 2025) · de Lima Santos et al.
3.Maple Sugaring Tips for Beginners and Backyard Maple Sugar Producers · UNH Extension
4.North American Maple Syrup Producers Manual, 2nd ed. (Bulletin 856) · The Ohio State University Extension

LuckySap · free on iPhone & Android

Never miss the first run

LuckySap can ping you the evening before a strong sap day, then keeps your collections, sugar readings and boils in one season log. Free on iPhone and Android.