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Wisconsin · county maple atlas

Maple sugaring in Langlade County, Wisconsin

Langlade County had 22 maple operations and 28,695 taps in the 2022 Census. Around Antigo, sap usually runs from March 22 to April 16. Here's the long-run pattern, 36 seasons of sap weather, and the outlook this week.
Too early to tapAbout 167 days until the usual start.
Sap starts
Mar 22
typical year
Season ends
Apr 16
about 4 weeks
Sap days / season
31.9
1991–2026 average
Taps, 2022
28,695
#15 of 60 in WI

Sap-flow outlook at Antigo right now

Full Wisconsin forecast →

Forecast for Antigo, WI

Updated Oct 6, 9:36 AM EDT

Off-season for now. Sap needs freezing nights, and none are in sight. Langlade County's season usually opens around March 22, which is 167 days away.

No freeze-thaw days in the forecast

freeze thaw 32°F

  1. WedOct 7
    47° / 69°

    0h below · 24h above

    No refreeze forecast
  2. ThuOct 8
    41° / 64°

    0h below · 24h above

    No refreeze forecast
  3. FriOct 9
    38° / 66°

    0h below · 24h above

    No refreeze forecast
  4. SatOct 10
    46° / 74°

    0h below · 24h above

    No refreeze forecast
  5. SunOct 11
    57° / 75°

    0h below · 24h above

    No refreeze forecast
  6. MonOct 12
    51° / 64°
    No refreeze forecast

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

When the sap runs

The sugaring calendar at Antigo

Freeze-thaw weather at Antigo peaks in the weeks of Mar 2 to Apr 20, which hold about 67% of a season's sap days. April is the busiest month.
Typical season: Mar 22 – Apr 160246Week of Dec 1: 0.9 sap days on averageWeek of Dec 8: 0.8 sap days on averageWeek of Dec 15: 0.5 sap days on averageWeek of Dec 22: 0.5 sap days on averageWeek of Dec 29: 0.3 sap days on averageWeek of Jan 5: 0.3 sap days on averageWeek of Jan 12: 0.1 sap days on averageWeek of Jan 19: 0.1 sap days on averageWeek of Jan 26: 0.4 sap days on averageWeek of Feb 2: 0.8 sap days on averageWeek of Feb 9: 0.7 sap days on averageWeek of Feb 16: 0.9 sap days on averageWeek of Feb 23: 1.1 sap days on averageWeek of Mar 2: 2.0 sap days on averageWeek of Mar 9: 2.3 sap days on averageWeek of Mar 16: 2.4 sap days on averageWeek of Mar 23: 3.1 sap days on averageWeek of Mar 30: 3.3 sap days on averageWeek of Apr 6: 3.2 sap days on averageWeek of Apr 13: 2.2 sap days on averageWeek of Apr 20: 2.8 sap days on averageWeek of Apr 27: 1.6 sap days on averageWeek of May 4: 0.6 sap days on averageWeek of May 11: 0.6 sap days on averageWeek of May 18: 0.3 sap days on averageWeek of May 25: 0.0 sap days on averageDecJanFebMarAprMaytaps in ~Mar 22
Average number of freeze-thaw sap days in each week of the season at Antigo, 1991–2026. A sap day is an overnight low under 30.2 °F followed by an afternoon high over 37.4 °F. The shaded band is the typical season.

Year-to-year spread

Opening signal
Median Mar 19; the middle half of seasons fell between Mar 12 and Mar 26. Earliest Feb 16 (2012), latest Apr 3 (1996).
Closing signal
Median Apr 19; middle half between Apr 13 and Apr 26. Earliest Mar 12 (2012), latest May 4 (2011).
Sap days by month
Dec9%Jan3%Feb11%Mar34%Apr36%May6%

36 seasons of sap weather

Langlade County seasons, 1991–2026

The best sap year at Antigo was 2024 with 47 freeze-thaw days; the leanest was 2001 with 15. Seasons that start early tend to end early too: the trees run on the swing between freezing nights and mild days, and heat ends it.
JanFebMarAprMaysap days20262026: Mar 12 – Apr 11, 34 sap days3420252025: Mar 20 – Apr 22, 39 sap days3920242024: Mar 8 – Apr 8, 47 sap days4720232023: Mar 24 – Apr 26, 36 sap days3620222022: Mar 30 – May 4, 24 sap days2420212021: Mar 4 – Apr 4, 40 sap days4020202020: Mar 28 – May 2, 34 sap days3420192019: Mar 27 – Apr 28, 27 sap days2720182018: Mar 31 – Apr 29, 35 sap days3520172017: Mar 11 – Apr 13, 29 sap days2920162016: Mar 16 – Apr 15, 32 sap days3220152015: Mar 15 – Apr 14, 28 sap days2820142014: Apr 3 – Apr 23, 19 sap days1920132013: Apr 2 – May 3, 22 sap days2220122012: Feb 16 – Mar 12, 29 sap days2920112011: Apr 1 – May 4, 32 sap days3220102010: Mar 2 – Mar 30, 35 sap days3520092009: Mar 21 – Apr 23, 30 sap days3020082008: Mar 22 – Apr 16, 24 sap days2420072007: Mar 15 – Apr 17, 21 sap days2120062006: Mar 13 – Apr 9, 20 sap days2020052005: Mar 9 – Apr 13, 33 sap days3320042004: Mar 18 – Apr 15, 39 sap days3920032003: Mar 16 – Apr 18, 28 sap days2820022002: Mar 19 – Apr 23, 38 sap days3820012001: Mar 21 – Apr 19, 15 sap days1520002000: Feb 27 – Apr 1, 39 sap days3919991999: Mar 11 – Apr 13, 36 sap days3619981998: Mar 8 – Apr 11, 27 sap days2719971997: Mar 25 – Apr 26, 29 sap days2919961996: Apr 3 – May 3, 39 sap days3919951995: Mar 22 – Apr 25, 43 sap days4319941994: Mar 19 – Apr 22, 40 sap days4019931993: Mar 25 – Apr 27, 38 sap days3819921992: Mar 28 – Apr 30, 31 sap days3119911991: Mar 13 – Apr 13, 37 sap days37
Each bar runs from the season's opening signal to its closing signal, estimated from daily temperatures at Antigo. Dashed lines mark the typical dates. The right column counts freeze-thaw sap days from December through May.

Maple production

Langlade County in the Census of Agriculture

USDA counts maple operations every five years. In Langlade County the 2022 Census found 22 farms making syrup (0% since 2017), with taps +5% and syrup output -34% over the same five years. That works out to about 0.22 gallons of syrup per tap in 2022 (0.35 in 2017). Among the 385 counties in this atlas, Langlade County ranks 80 by taps.

Langlade County maple production, 2017 and 2022 (USDA Census of Agriculture)
Census yearFarmsTapsGallons of syrupGal / tap
20222228,6956,3490.22
20172227,2529,6290.35

Nearby

Neighboring maple counties

Distances are between reference towns; typical dates are each county's own estimate.

About these numbers

The season dates are estimated from 36 seasons of daily high and low temperatures for the PRISM 4-km grid cell at Antigo (1,486ft), scored with the same freeze-thaw rule as our live forecast: a sap day is an overnight low under 30.2 °F followed by an afternoon high over 37.4 °F. Each season's closing signal is the last sap day before accumulated warmth reaches a threshold, and the opening signal sits five weeks before that, never earlier than the first real freeze-thaw week. Tested against 117 state-seasons of USDA-reported dates, the rule lands within 5.5 days of the reported close and 6.6 days of the reported opening on average, and the typical dates shown here are scaled to Wisconsin's USDA record (12 years). Production figures are copied from the Census as published. Full method, calibration tables and the downloadable dataset →

Sources · 6

  1. 1.2022 Census of Agriculture, County Level Data — Wisconsin, Table 37: Maple Syrup, 2022 and 2017 · USDA National Agricultural Statistics Service
  2. 2.PRISM daily temperature grids (AN81d, 4 km), accessed 2026-10-05 · PRISM Group, Oregon State University, https://prism.oregonstate.edu
  3. 3.Applied Climate Information System (ACIS) web services · NOAA Regional Climate Centers
  4. 4.USDA NASS maple syrup reports — approximate average season opened and closed dates, 2011–2022 · USDA National Agricultural Statistics Service (mirrored by the University of Vermont)
  5. 5.Sap flow in sugar maple: timing and weather drivers (Frontiers in Agronomy, 2025) · de Lima Santos et al.
  6. 6.GeoNames gazetteer (cities500), CC BY 4.0 · GeoNames

FAQ

Langlade County sugaring questions

When should I tap maple trees in Langlade County, Wisconsin?
In a typical year the sap starts running around March 22 near Antigo and the season winds down around April 16. Have your taps in a day or two before the first forecast string of freezing nights and 40 °F days. In the past 36 seasons the weather signal came as early as Feb 16 and as late as Apr 3.
How much maple syrup does Langlade County produce?
The 2022 Census of Agriculture counted 22 maple operations in Langlade County with 28,695 taps producing 6,349 gallons of syrup, ranking 15 of 60 Wisconsin's counties with published tap counts.
How many sap days does Langlade County get in a season?
On average 31.9 freeze-thaw sap days from December through May at Antigo, of which about 8.7 are textbook days with a night in the 20s and a day in the 40s. The best season since 1991 was 2024 (47 sap days); the leanest was 2001 (15).
Where do these dates come from?
From 36 seasons of daily high and low temperatures at Antigo (PRISM 4-km grid), scored with the same freeze-thaw rule as our live forecast, then calibrated against USDA's reported season dates for Wisconsin. They describe a typical year at one point in the county; your sugarbush, slope and elevation can shift them by days.

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