WASHINGTON COUNTY ZONE FORECAST

 ...HEAT ADVISORY IN EFFECT FROM 10 AM TO 9 PM MDT MONDAY...  .TONIGHT...Mostly clear. Lows in the mid to upper 60s. Southeast winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Mostly sunny. Highs 100 to 104. South winds 10 to 20 mph with gusts to around 30 mph. .MONDAY NIGHT...Mostly cloudy with a 10 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Southwest winds 10 to 15 mph. .TUESDAY...Mostly sunny with a 10 percent chance of showers. Highs in the upper 90s. Northwest winds 10 to 20 mph with gusts to around 30 mph. .TUESDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the lower 60s. North winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 40 percent. .WEDNESDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the mid 90s. .WEDNESDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows in the mid 60s. .THURSDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs 96 to 100. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower to mid 60s. .FRIDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the upper 90s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 60s. Highs in the upper 90s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 60s. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 90s.