Dangerous heat will build across portions of the West through this week where new daily record highs are forecast. Monsoonal showers and thunderstorms may result in flash flooding and debris flows for portions of Southwest into the Four Corners and central Rockies through at least the midweek. Stationary frontal boundary across the South and Southeast will focus showers and thunderstorms. Read More >
Snow Amount Potential
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Expected Snowfall - Official NWS Forecast (for time range indicated) 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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Ice Accumulation Potential |
Expected Ice Accumulation - Official NWS Forecast |
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Snow Amount Potential
Experimental - Leave feedback
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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...
Experimental - Leave feedback
What's this?
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Other Snow/Ice Information | ||
Storm Track | Onset of Wintry Precipitation (For areas under Warning or Advisory) |
Winter Storm Severity Index |
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Observed Snow/Ice Amounts | ||
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Useful Winter Weather Information | ||
Historic Mid-Atlantic Winter Storms |
Winter/Snowfall Statistics |
El Niño and DC/Baltimore Winters |
Watches, Warnings, & Advisories |
How to Measure Snow |
La Niña and DC/Baltimore Winters |
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At Home | On the Road | Outside in the Cold |
Winter Storm Threat: 3-7 Days From Now Experimental - Leave feedback What's this? Product Description Document |
Hover over (or click) Days 3-7 thumbnails to see full-size maps showing daily Confidence vs. Potential Impact matrices. |
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. Increased potential of more significant travel impacts and more closures. |
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. |
Maryland Ice Accumulation Forecast | ||
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