WASHINGTON COUNTY ZONE FORECAST

 ...HEAT ADVISORY IN EFFECT FROM 10 AM TO 8 PM MDT SATURDAY...  .TONIGHT...Partly cloudy. A 40 percent chance of thunderstorms in the evening. Lows in the lower 60s. Southeast winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY...Mostly sunny. Highs 97 to 101. South winds 10 to 20 mph with gusts to around 30 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. South winds 15 to 25 mph with gusts to around 35 mph. .SUNDAY...Mostly sunny. Highs around 101. West winds 10 to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 60s. Northwest winds 10 to 15 mph with gusts to around 30 mph. .MONDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs in the upper 80s. Chance of precipitation 30 percent. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the upper 50s. .TUESDAY...Partly cloudy with a 30 percent chance of thunderstorms. Highs in the upper 80s. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 60s. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 93 to 100. Lows in the lower 60s. .THURSDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows in the lower to mid 60s. .FRIDAY...Mostly sunny. Highs in the upper 90s.