National Weather Service United States Department of Commerce

Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

       

 

Weather Calculations / Conversions


Convert degrees Celsius to degrees Fahrenheit:
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Convert degrees Fahrenheit to degrees Celsius:
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Calculate relative humidity from temperature/dewpoint (deg C):
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Calculate relative humidity from temperature/dewpoint (deg F):
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Calculate heat index from temperature and humidity:
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Calculate heat index from temperature and dewpoint (deg F):
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Calculate heat index from temperature and dewpoint (deg C):
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Calculate wind chill from temperature (deg F) and wind (mph):
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Calculate wind chill from temperature (deg C) and wind (kt):
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Convert pressure from inches to millibars:
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