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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From the Middle Atlantic River Forecast Center | ||
24-hr Observed Snowfall |
Observed Snow Depth |
Modeled Snow Water Equivalent |
State College Products | ||||
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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