AN EMB120 PROP STRUCK A RWY EDGE LIGHT WHILE LNDG IN A STRONG GUSTY XWIND AND BEING PUSHED TO THE SIDE OF THE RWY.

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TAKING OFF FOR RDM; WE HAD A FORECAST OF 7000 FT BROKEN; VISIBILITY GREATER THAN 6 SM WITH NO SNOW AND WINDS 220 DEGS AT 11 KTS GUSTING TO 17 KTS. THE METAR INDICATED WINDS 240 DEGS AT 9 KTS; 8000 FT BROKEN AND NO SNOW. NO ALTERNATE WAS REQUIRED OR LISTED. ARRIVING IN RDM; THE CTLR LET US KNOW THAT THE WX WAS DETERIORATING AND ASKED US IF WE WANTED VECTORS FOR THE ILS TO RWY 22. WHILE BEING VECTORED FOR THE APCH; THE WX DETERIORATED TO 3/4 MI. AROUND THE FAF; THE TWR RPTED THAT THE VISIBILITY WAS 1/2 MI AND THAT A PREVIOUS ACFT HAD BROKEN OUT AT 300 FT. THE LAST WIND RPT I REMEMBER HEARING WAS WINDS FROM 260 DEGS OR 280 DEGS AT 15 KTS. THE APCH WAS STABILIZED AND ON-SPD GIVEN THE GUSTY CONDITIONS AND WE BROKE OUT AT 300 FT. SHORTLY AFTER TOUCHDOWN; THE ACFT WXVANED INTO THE WIND AND STARTED SLIDING TOWARDS THE L SIDE OF THE RWY. RDM HAS NO CTRLINE OR TOUCHDOWN ZONE LIGHTING AND THE R LNDG LIGHT WAS MEL'ED. I DID MY BEST TO KEEP THE ACFT CTRED DOWN THE RWY AND GOT IT STRAIGHTENED OUT JUST AS WE WERE NEARING THE L RWY EDGE. I FELT A VERY SLIGHT BUMP; BUT NEITHER THE FO NOR I FELT THAT WE HAD HIT ANYTHING. AFTER THE PAX HAD DEPLANED; I NOTICED THAT THERE WAS PROP DAMAGE TO THE TIPS OF 2 OF THE PROPS. I RPTED THIS TO THE TWR TO LET THEM KNOW WE HAD PROBABLY HIT A RWY EDGE LIGHT. THE TWR TOLD ME THAT A BIG SQUALL CAME THROUGH RIGHT AS WE WERE LNDG AND THAT THEY PUT OUT A SPECIAL WHEN WE LANDED WITH A WIND OF 300 DEGS AT 19 KTS GUSTING TO 24 KTS. WE NEVER RECEIVED THIS INFO. SINCE THE SNOW HAD JUST STARTED FALLING AND THE TWR NEVER MENTIONED ANYTHING; I WAS NOT EXPECTING SNOW ACCUMULATIONS OR THE CTRLINE TO BE OBSCURED. RATHER THAN EXPECTING THE TWR TO INFORM ME; I SHOULD HAVE QUERIED THEM.