Take steps now to protect tender plants from the cold.
* WHAT...Sub-freezing temperatures as low as 30 expected.* WHERE...Columbia, Dane, Green, Green Lake, Iowa, Lafayette,Marquette, and Sauk Counties.* WHEN...Until 8 AM CDT Saturday.* IMPACTS...Frost and freeze conditions could kill crops, othersensitive vegetation and possibly damage unprotected outdoorplumbing.