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National Weather ServiceDelawareWinter Storm WarningArchive to October 1, 2026

Winter Storm Warnings in Delaware

The National Weather Service issued 2 winter storm warnings for Delaware in 2025 and 3 a year on average in 2008-2025; in 2021-2025 it had the 49th most of any state. 2026 through September: 2, 22% below the average of 3 for those months in 2008-2025. New Castle was covered most often (44 times since 2008).

How many winter storm warnings does Delaware get?

2 winter storm warnings for Delaware in 2025
358102008: 020082009: 320092010: 620102011: 420112012: 120122013: 320132014: 920142015: 520152016: 320162017: 420172018: 320182019: 220192020: 020202021: 320212022: 220222023: 020232024: 220242025: 220252026: 220262008-2025 average 32026 through September: 2358102008: 020082009: 32010: 620102011: 42012: 120122013: 32014: 920142015: 52016: 320162017: 42018: 320182019: 22020: 020202021: 32022: 220222023: 02024: 220242025: 22026: 220262008-2025 average 32026 through September: 2358102008: 020082009: 32010: 620102011: 42012: 120122013: 32014: 920142015: 52016: 320162017: 42018: 320182019: 22020: 020202021: 32022: 220222023: 02024: 220242025: 22026: 220262008-2025 average 32026 through September: 2358102008: 020082009: 32010: 62011: 42012: 12013: 32014: 92015: 520152016: 32017: 42018: 32019: 22020: 020202021: 32022: 22023: 02024: 22025: 22026: 220262008-2025 average 32026 through September: 2

Every winter storm warning that covered part of Delaware. 2026 is an outline: the year is not over.

The numbers
YearCount
2026 (through September)2
20252
20242
20230
20222
20213
20200
20192
20183
20174
20163
20155
20149
20133
20121
20114
20106
20093
20080

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

When in the year does Delaware get them?

Delaware's winter storm warnings by month, 2008-2025
1020Jan: 18JanFeb: 18FebMar: 10MarApr: 0AprMay: 0MayJun: 0JunJul: 0JulAug: 0AugSep: 0SepOct: 0OctNov: 1NovDec: 5Dec181020Jan: 18JanFeb: 18FebMar: 10MarApr: 0AprMay: 0MayJun: 0JunJul: 0JulAug: 0AugSep: 0SepOct: 0OctNov: 1NovDec: 5Dec181020Jan: 18JanFeb: 18FebMar: 10MarApr: 0AprMay: 0MayJun: 0JunJul: 0JulAug: 0AugSep: 0SepOct: 0OctNov: 1NovDec: 5Dec181020Jan: 18JFeb: 18FMar: 10MApr: 0AMay: 0MJun: 0JJul: 0JAug: 0ASep: 0SOct: 0ONov: 1NDec: 5D18

Sum of 2008-2025; the busiest month is labelled.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

Where in Delaware?

County or forecast zoneSince 2008Since 2023Last issued
New Castle445February 22, 2026
Kent365February 22, 2026
Inland Sussex353January 25, 2026
Delaware Beaches283January 25, 2026

The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.

Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.

What is a winter storm warning?

A winter storm warning means significant snow, sleet or freezing rain is expected that will make travel very difficult or impossible. Each office sets the amounts for its area. A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The national record · Every warning type in Delaware.