Moderate Expected Likely Freeze Warning Freeze Warning issued March 16 at 9:59PM CDT until March 18 at 9:00AM CDT by NWS Huntsville AL Mar 17, 9:00 PM → Mar 18, 9:00 AM WHAT: For the first Freeze Warning, sub-freezing temperatures aslow as 23. For the second Freeze Warning, sub-freezingtemperatures as low as 25. WHERE: All counties in northern Alabama. WHEN: For the first Freeze Warning, until 10 AM CDT Tuesday. Forthe second Freeze Warning, from 9 PM Tuesday to 9 AM CDT Wednesday. IMPACTS: Frost and freeze conditions could kill crops, othersensitive vegetation and possibly damage unprotected outdoorplumbing. + Read More Take steps now to protect tender plants from the cold. Updated: Mar 17, 4:52 AM Source: NWS Alert