WASHINGTON COUNTY ZONE FORECAST

 ...SEVERE THUNDERSTORM WATCH 582 IN EFFECT UNTIL 9 PM MDT THIS EVENING...  .TONIGHT...Becoming partly cloudy after midnight. Thunderstorms likely in the evening, then a chance of showers and slight chance of thunderstorms after midnight. Some thunderstorms may be severe early in the evening. Lows in the upper 50s. East winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. Chance of rain 70 percent. .FRIDAY...Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 20 percent. .FRIDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. Chance of precipitation 20 percent. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower 80s. North winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Lows in the mid 50s. Northwest winds 10 to 20 mph with gusts up to 30 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of thunderstorms. Lows in the mid 50s. .MONDAY AND MONDAY NIGHT...Partly cloudy with a 30 percent chance of thunderstorms. Highs around 80. Lows in the mid 50s. .TUESDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the mid 80s. .TUESDAY NIGHT...Partly cloudy with a 10 percent chance of thunderstorms. Lows in the upper 50s. .WEDNESDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 50s. .THURSDAY...Mostly sunny. Highs in the mid 80s.