How cold the wind's going to blow depends on where you go.
Go north of Auburn, Ala., tonight, and the wind chill could be zero or below.
That's the warning issued this morning by the National Weather Service office in Birmingham, which said icy arctic air combined with wind could drop the wind chill to minus 8 degrees north of a line from Auburn to Aliceville, Ala., which is west of Tuscaloosa. North winds today in that region are to range 15-25 mph.
For Columbus, the National Weather Service forecast has warmed slightly from Wednesday's prediction of a low of 10 degrees Friday night and 16 degrees tonight.
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Now a low of 22 degrees is expected tonight and 19 degrees Friday.
Weather.com is predicting 18 degrees tonight and 15 degrees Friday.
AccuWeather anticipates a low of 16 degrees tonight, nearing a record 14 degrees set in 1972, and 18 degrees Friday night.
All three forecasts call for a high around 40 degrees Friday under sunny skies.