IDZ020-131015- UPPER SNAKE RIVER PLAIN- INCLUDING THE CITIES OF...IDAHO FALLS...REXBURG...RIGBY 236 PM MDT SUN OCT 12 2008 .TONIGHT...MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. LOWS 20 TO 27. SOUTHWEST WINDS 10 TO 15 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE. CHANCE OF PRECIPITATION 20 PERCENT. .COLUMBUS DAY...MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HIGHS 35 TO 42. LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. .MONDAY NIGHT...PARTLY CLOUDY. AREAS OF FOG. LOWS 17 TO 27. SOUTH WINDS AROUND 10 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE. .TUESDAY...MOSTLY SUNNY. AREAS OF FOG IN THE MORNING. HIGHS 41 TO 48. NORTHWEST WINDS UP TO 10 MPH...SHIFTING TO SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. .TUESDAY NIGHT...PARTLY CLOUDY. LOWS 22 TO 32. SOUTHWEST WINDS AROUND 10 MPH. .WEDNESDAY...MOSTLY SUNNY. HIGHS 45 TO 52. .WEDNESDAY NIGHT...PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW. LOWS 26 TO 35. .THURSDAY AND THURSDAY NIGHT...MOSTLY CLEAR. HIGHS 48 TO 55. LOWS 26 TO 36. .FRIDAY AND FRIDAY NIGHT...MOSTLY CLEAR. HIGHS 54 TO 61. LOWS 27 TO 36. .SATURDAY THROUGH SUNDAY...PARTLY CLOUDY. HIGHS 52 TO 62. LOWS 27 TO 36.