The interaction of an arctic air mass and moisture will set the stage for an expansive area of dangerous travel conditions early in the week. A zone of freezing rain and drizzle along with some sleet is very likely from parts of Texas to the Ohio and Tennessee Valleys. Meanwhile, heavy rain and flooding will remain in the forecast for a large portion of the Hawaiian Islands on Monday. Read More >
Snow Amount Potential
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Expected Snowfall - Official NWS Forecast What's this? | High End Amount 1 in 10 Chance (10%) of Higher Snowfall ![]() What's this? |
Low End Amount 9 in 10 Chance (90%) of Higher Snowfall ![]() What's this? |
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Percent Chance That Snow Amounts Will Be Greater Than...
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Snowfall Totals by Location
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Snow Amount Potential
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Expected Snowfall - Official NWS Forecast What's this? | High End Amount 1 in 10 Chance (10%) of Higher Snowfall ![]() What's this? |
Low End Amount 9 in 10 Chance (90%) of Higher Snowfall ![]() What's this? |
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Percent Chance That Snow Amounts Will Be Greater Than...
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Ice Accumulation Potential |
Expected Ice Accumulation - Official NWS Forecast |
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Other Snow/Ice Information | ||
Onset of Wintry Precipitation |
End Timing of Wintry Precipitation |
Winter Storm Severity Index (WSSI) |
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NDFD Graphic Forecast Displays |
72-hr Winter Storm Impacts - WSSI (Winter Storm Severity Index) |
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72-hr Snowfall - Central PA |
72-hr Snowfall - Pennsylvania |
72-hr Snowfall - WSSI (Winter Storm Severity Index) |
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72-hr Ice Accumulation - Central PA |
72-hr Ice Accumulation - Pennsylvania |
72-hr Ice Accumulation - WSSI (Winter Storm Severity Index) |
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Storm Track |
Snow/Ice Analysis |
Historical Snowfall Info |
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Reported Snow/Ice Totals |
Text Reported Snow/Ice Totals |
Reported Snow/Ice Totals |
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24-hr Observed Snowfall |
Observed Snow Depth |
Modeled Snow Water Equivalent |
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HAZARDOUS WEATHER OUTLOOK | FORECAST DISCUSSION | SPECIAL WEATHER STATEMENT | PUBLIC INFORMATION STATEMENT |
Daily Snowfall Reports | ||
REPORT SNOW/ICE TO US | ||
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Reported Snow/Ice Totals |
Text Reported Snow/Ice Totals |
Snow/Ice Analysis |
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Historical Snowfall Info |
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From the Middle Atlantic River Forecast Center | ||
24-hr Observed Snowfall |
Observed Snow Depth |
Modeled Snow Water Equivalent |
Winter Storm Threat: 3-7 Days From Now
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Hover over (or click) Days 3-7 thumbnails to see full-size maps showing daily Confidence vs. Potential Impact matrices.
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Day 3 | Day 4 | Day 5 | Day 6 | Day 7 |
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High | High threat of high impact winter storm. Potential impacts include significant travel delays, closures, and threats to life and property. Plan ahead to minimize impact on you and your family. |
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Moderate | Moderate winter storm threat. Potential impacts include significant travel delays and closures. Plan ahead to minimize impact on you and your family. |
Enhanced | Enhanced winter storm threat. Primary threat is disruption to travel. |
Slight | Slight winter storm threat. If threat materializes, may cause travel disruptions. |
None | No significant winter storm threat is currently expected. However, light wintry precipitation may still be possible. |
** EXPERIMENTAL ** EXPERIMENTAL ** EXPERIMENTAL **Day 4-7 Winter Weather Outlook(Winter Liquid Equivalent Exceedance Graphics) |
Day 4 | Day 5 | Day 6 | Day 7 | |
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These images are created using WPC Probability of Exceeding 0.25"
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High | High Threat for a Plowable Snow. Potential impacts include travel delays and closures. Plan ahead to minimize impact on you and your family. |
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Medium | Moderate Threat for a Plowable Snow. Primary threat is disruption to travel. |
Low | Slight Threat for a Plowable Snow. If threat materializes, may cause travel disruptions. |
None | No significant winter storm threat is currently expected. However, light wintry precipitation may still be possible. |
Weather Type and Coverage Forecast |
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