| 2025-12-15 | 7:30 AM | NA | 3.0 | NA | 16.0 | NA | | Meandering LES. |
| 2025-12-14 | 7:30 AM | NA | 2.0 | NA | 14.0 | NA | | LSW for Chautauqua, Cattaraugus and S. Erie counties. Not a vigorous a system as we had last week with lighter accumulations expected. Much of the snow we had yesterday was from low pressure that passed south of us with some lake enhancement involved. |
| 2025-12-12 | 7:30 AM | NA | 9.0 | NA | 16.0 | NA | | Heavy LES throughout the day yesterday courtesy of both lakes Erie and Huron. 1+”/hr for much of the day. |
| 2025-12-11 | 7:30 AM | NA | 2.5 | NA | 9.0 | NA | | LSWarning for S. Erie, Chautauqua and Cattaraugus counties until 4 am tomorrow. WWA for Allegany county. |
| 2025-12-10 | 7:30 AM | NA | 1.5 | NA | 8.0 | NA | | Synoptic system bringing snow transitioning to a mix and then LE predicted on backside. |
| 2025-12-04 | 7:30 AM | NA | 1.0 | NA | 9.0 | NA | | Pair of arctic fronts bringing a burst of snow and nuisance LE. |
| 2025-12-02 | 7:30 AM | NA | 3.0 | NA | 10.0 | NA | | WWA. Progressive synoptic system passing to our south. |
| 2025-12-01 | 7:30 AM | NA | 2.0 | NA | 8.0 | NA | | 2-3 hr. LE snow showers/band |
| 2025-11-30 | 7:30 AM | NA | 2.0 | NA | 8.0 | NA | | Warm front overflow from synoptic system to our west that brought heavy snow to eastern IA, northern IL and southern WI. |
| 2025-11-29 | 7:30 AM | NA | 2.0 | NA | 8.0 | NA | | LES |
| 2025-11-28 | 7:30 AM | NA | 9.0 | NA | 9.0 | NA | | 1st significant LE event of the season. W-NW winds brought LSWarnings to the Southern Tier including Allegany which is uncommon. However, due to strong winds, bands were able to penetrate farther east. Steuben County even had a LSA. Our NW PA friends will have a nice base layer for tracking deer when their season opens tomorrow. |
| 2025-11-17 | 7:30 AM | NA | 1.0 | NA | 1.0 | NA | | WWA for LE for Chautauqua and Cattaraugus counties. Light LE on NW flow. |
| 2025-11-12 | 7:30 AM | NA | 1.0 | NA | 4.0 | NA | | |
| 2025-11-11 | 7:30 AM | NA | 5.5 | NA | 6.0 | NA | | WWA until 1 pm today for LES. 1st significant event of the season. NW winds. |
| 2025-11-10 | 7:30 AM | NA | 1.0 | NA | 1.0 | NA | | 1st snow of the 2024-2025 season. WWA for LE posted for tonight and tomorrow AM as winds briefly shift from N to NW-W before warmer air moves in. |
| 2025-04-16 | 7:30 AM | NA | 2.5 | NA | 2.5 | NA | | Unusually cold airmass descended from Canada causing LE snow and accumulations across higher elevations of the Western Southern Tiger and Tug Hill Plateau. This is the 1st significant snowfall we’ve had in the past 6 weeks. Hardly any snow fell during March after an above-average total since the season began. |
| 2025-04-10 | 7:20 AM | NA | T | NA | T | NA | | |
| 2025-04-08 | 7:30 AM | NA | T | NA | T | NA | | Abnormally cold NW following an early spring “arctic” front sweeping in snow showers. |
| 2025-03-02 | 7:30 AM | NA | 2.0 | NA | 4.0 | NA | | LE snow showers |
| 2025-02-21 | 7:30 AM | NA | 6.0 | NA | 14.0 | NA | | LSA for Chautauqua, Wyoming, S. Erie and Cattaraugus counties. Significant LE in the past 24 hours albeit with a Lake Erie that is 90+% ice covered. Heavy snow for several hours late afternoon and early evening. Very fluffy due to the cold temps. |
| 2025-02-20 | 7:30 AM | NA | 1.5 | NA | 9.0 | NA | | Synoptic |
| 2025-02-18 | 7:30 AM | NA | 0.5 | NA | 10.0 | NA | | |
| 2025-02-17 | 7:30 AM | NA | 4.0 | NA | 11.0 | NA | | Strong NW flow from departing storm that brought us snow, then freezing rain then rain. Temps plummeted behind storm with arctic air invading the Midwest and Eastern US. Although Lake Erie is 95% ice covered, Lake Huron streamer contributed to the fresh blanket of snow that has fallen in the last 12 hours. |
| 2025-02-16 | 7:30 AM | NA | 2.0 | NA | 7.0 | NA | | Synoptic snow ahead of system predicted to bring freezing rain and then rain to area. |
| 2025-02-14 | 7:30 AM | NA | 1.5 | NA | 6.0 | NA | | LE even though Lake Erie is 95% ice covered. |
| 2025-02-09 | 7:30 AM | NA | 1.5 | NA | 6.0 | NA | | Synoptic system brought brief light/moderate snow for 1-2 hours late yesterday. |
| 2025-02-03 | 7:30 AM | NA | 0.5 | NA | 5.0 | NA | | |
| 2025-02-01 | 7:30 AM | NA | 0.5 | NA | 5.0 | NA | | Synoptic snow. Yesterday’s rain reduced the snowpack by 40%+ |
| 2025-01-28 | 7:30 AM | NA | 1.5 | NA | 7.0 | NA | | Arctic front |
| 2025-01-24 | 7:30 AM | NA | 1.0 | NA | 8.0 | NA | | Light LE on NW flow. Due to the recent sub-zero temps, Lake Erie is ~80% frozen so LE will be substantially reduced for the rest of this winter season. |
| 2025-01-20 | 7:30 AM | NA | 1.5 | NA | 9.0 | NA | | Arctic air mass invading NE. Erie beginning to ice up but some LE being generated on W then SW winds. |
| 2025-01-17 | 7:30 AM | NA | 3.5 | NA | 12.0 | NA | | Synoptic system |
| 2025-01-15 | 7:30 AM | NA | 6.0 | NA | 12.0 | NA | | LE |
| 2025-01-14 | 7:30 AM | NA | 0.5 | NA | 8.0 | NA | | LE |
| 2025-01-11 | 7:30 AM | NA | 2.5 | NA | 10.0 | NA | | Synoptic system |
| 2025-01-09 | 7:30 AM | NA | 0.5 | NA | 12.0 | NA | | Light LE |
| 2025-01-08 | 7:30 AM | NA | 1.0 | NA | 14.0 | NA | | LE |
| 2025-01-07 | 7:30 AM | NA | 2.0 | NA | 14.0 | NA | | Light LE to affect area the next several days. Temps cold which will result in a very fluffy, wind-driven snow. |
| 2025-01-05 | 7:30 AM | NA | 4.0 | NA | 14.0 | NA | | LSW cancelled. Winds continue on a W-NW flow (Day 4 of 4). LE diminishes today. Had an uptick in snowfall yesterday beginning at 4 pm. Rates were not impressive but were consistent throughout the night. Today is Day 4 of the event that began on Jan. 2, we have had 18” which certainly ranks right up there in respectable cumulative totals for the past several years. Perfect for snowshoeing! |
| 2025-01-04 | 7:30 AM | NA | 5.5 | NA | 12.0 | NA | | LSWarning continues (Day 3 of 4). |
| 2025-01-03 | 7:30 AM | NA | 3.0 | NA | 9.0 | NA | | LSWarning continues (Day 2 of 4). |
| 2025-01-02 | 7:30 AM | NA | 5.0 | NA | 5.0 | NA | | LE Snow Warning issued for Chautauqua, Cattaraugus, Wyoming and S. Erie counties for the long-duration (5 day) event. Today is Day 1 of 4. Persistent W-NW winds and several troughs will bring in resurgent Canadian/modified Arctic air into the eastern 1/2 of the U.S. No 1 particular day will provide extraordinary heavy totals but the cumulative effect will be end totals of 1-2.5’ by the end. |