Severe Thunderstorm Watch
2026-07-18T21:00:00-04:00

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 494 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN NEW YORK THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL NEW YORK BROOME CHEMUNG CHENANGO CORTLAND DELAWARE MADISON ONEIDA ONONDAGA OTSEGO SCHUYLER SENECA STEUBEN SULLIVAN TIOGA TOMPKINS YATES IN PENNSYLVANIA THIS WATCH INCLUDES 7 COUNTIES IN NORTHEAST PENNSYLVANIA BRADFORD LACKAWANNA LUZERNE PIKE SUSQUEHANNA WAYNE WYOMING THIS INCLUDES THE CITIES OF BINGHAMTON, CORNING, CORTLAND, DELHI, ELMIRA, HALLSTEAD, HAMILTON, HAWLEY, HAZLETON, HONESDALE, HORNELL, ITHACA, MILFORD, MONTICELLO, MONTROSE, NORWICH, ONEIDA, ONEONTA, OWEGO, PENN YAN, ROME, SAYRE, SCRANTON, SENECA FALLS, SYRACUSE, TOWANDA, TUNKHANNOCK, UTICA, WALTON, WATKINS GLEN, WAVERLY, AND WILKES-BARRE.

Prompton Dam Historical Data

Historical Data


Date Snowpack SWE Snowfall Air Temperature
2025-02-02 0"
2025-02-03 2.0"
2025-02-05 1.0"
2025-02-06 1.0"
2025-02-12 2.0"
2025-02-13 2.0"
2025-12-28 0"
2025-12-29 4.0"
2026-01-11 0"
2026-01-12 0"
2026-01-21 2.0"
2026-02-03 9.0"

Snowfall Calendar


Date Average 2026 2025
01-11 0
01-12 0
01-21 0
02-03 0
12-28 0.2
12-29 0.2

Annual Peak Snowpack


Seasonal Comparison


Oceanic Nino Index