ACR MLG UNABLE TO GET RWY LIGHTS ON FOR PREFERRED RWY AND NOT ABLE TO CONTACT UNICOM FOR LATEST WX INFO.

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WE WERE DELAYED DEPARTING SLC TO PSC FOR LATE CONNECTING PAX. THIS HAD US ARR AT PSC AFTER THE TWR CLOSED WHICH IS NOT UNUSUAL FOR THIS FLT. HOWEVER; THIS NIGHT THE WX WAS DETERIORATING WITH TSTMS N AND E OF THE ARPT WHICH MADE APCHS TO RWYS 12 UNACCEPTABLE. WE BROKE OUT OF THE OVCST AND KEYED ON RWY LIGHTS. WE COULD SEE RWY 12-30 LIGHTS BUT BECAUSE OF THE LAST RPTED WIND 45 MINS EARLIER OF 160/10 KTS A VISUAL APCH WAS STARTED TO RWY 21R. WE SOON DISCOVERED THE LIGHTS FOR 21R HAD NOT COME ON SO THE APCH WAS ABANDONED. WE CIRCLED SW OF ARPT TO TRY TO GET MORE RECENT WINDS FROM FSS OR UNICOM BUT WERE UNABLE TO RAISE EITHER. FINALLY WITH DETERIORATING WX I ELECTED TO FLY AN APCH TO 30 AND MONITOR ACFT PERFORMANCE FOR EXCESSIVE TAILWIND. A NORMAL LNDG AND ROLLOUT IN THE RAIN FOLLOWED. ACCURATE TIMELY INFO IS ESSENTIAL FOR SAFE OPS AND I DO NOT FEEL WE HAD IT THAT NIGHT. OUR COMPANY SHOULD AT LEAST HAVE WIND READOUT EQUIP AVAILABLE TO OUR RAMP FREQ TO PASS ON TO PLTS. AN AUTOMATIC WX STATION AVAILABLE TO FSS WOULD BE BETTER. ALSO WHEN TWR IS CLOSED AND LIGHTING IS PLT CTLED ALL RWY LIGHTS SHOULD COME ON; NOT JUST A SINGLE RWY.