...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM CDT /9 PM MDT/ THIS EVENING TO 11 AM CDT /10 AM MDT/ WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 23 expected. * WHERE...Portions of northwest and west central Kansas and southwest Nebraska. * WHEN...From 10 PM CDT /9 PM MDT/ this evening to 11 AM CDT /10 AM MDT/ Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drain in-ground sprinkler systems and cover above ground pipes. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; insulate or drain or allow them to drip slowly. &&