DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- INCLUDING...CENTER...DEL NORTE...ALAMOSA...MONTE VISTA... MANASSA...LA JARA...ANTONITO...SANFORD...SAN LUIS... FORT GARLAND...BLANCA 917 AM MDT SAT OCT 6 2012 ...HARD FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MDT SUNDAY... A HARD FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM MDT SUNDAY. * LOCATION...THE SAN LUIS VALLEY. * TEMPERATURE...LOW TEMPERATURES WILL DROP INTO THE LOWER TO MID 20S ACROSS THE SAN LUIS VALLEY SATURDAY NIGHT AND SUNDAY MORNING RESULTING IN A WIDESPREAD HARD FREEZE. * IMPACT...FREEZING TEMPERATURES CAN KILL VEGETATION AND FREEZE UNPROTECTED PIPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A PROLONGED PERIOD OF SUBFREEZING TEMPERATURES IS EXPECTED. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. DRAIN EXPOSED WATER PIPES AND IRRIGATION SYSTEMS.