A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >
Eastern Region Headquarters
Regional Headquarters
"How to Interpret the Hydrologic Ensemble Forecast Service (HEFS) Short-Term Probabilistic Guidance" training materials at COMET (free registration required)
Map Last Updated:
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News Legend | ||||||
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Map Legend
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Chance of Exceedance
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River Forecast Centers
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30%
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Level
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70%
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Action
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Minor Flood
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Moderate Flood
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Major Flood
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= less than 30% chance of reaching Action level
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= no critical levels defined for this point
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Eastern Region Headquarters
630 Johnson Ave., Ste. 202
Bohemia, NY 11716
631-244-0100
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