WASHINGTON COUNTY ZONE FORECAST

 ...HEAT ADVISORY IN EFFECT FROM 10 AM TO 9 PM MDT SUNDAY...  .TODAY...Mostly sunny. Highs 97 to 101. Southeast winds 10 to 20 mph with gusts up to 30 mph in the afternoon. .TONIGHT...Partly cloudy. Slight chance of thunderstorms in the evening. Lows near 70. South winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 20 percent. .SUNDAY...Mostly sunny. Highs 100 to 104. West winds 10 to 15 mph with gusts up to 20 mph in the morning, becoming light. .SUNDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows near 70. .MONDAY...Partly cloudy with a chance of showers and slight chance of thunderstorms. Highs 96 to 100. Northeast winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 30 percent. .MONDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the 60s. Chance of rain 60 percent. .TUESDAY...Mostly cloudy with a 30 percent chance of thunderstorms. Highs in the lower 90s. .TUESDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the mid 60s. Chance of rain 60 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower 90s. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the lower 60s. .THURSDAY...Partly cloudy. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows in the lower 60s. .FRIDAY...Mostly sunny. Highs in the lower 90s.