WASHINGTON COUNTY ZONE FORECAST

 ...SEVERE THUNDERSTORM WATCH 259 IN EFFECT UNTIL 8 PM MDT THIS EVENING...  .TONIGHT...Partly cloudy. Slight chance of thunderstorms early in the evening. Some thunderstorms may be severe with damaging winds and large hail. Lows in the upper 40s. Northwest winds 10 to 15 mph in the evening, becoming light. Chance of precipitation 20 percent. .MONDAY...Partly cloudy. Chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Highs in the 70s. North winds 10 to 15 mph with gusts up to 20 mph, becoming east with gusts up to 35 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Showers and chance of thunderstorms in the evening, then showers likely and chance of thunderstorms after midnight. Some thunderstorms may be severe in the evening. Lows in the mid 40s. East winds 10 to 20 mph with gusts up to 35 mph, becoming north with gusts up to 20 mph after midnight. .TUESDAY...Showers likely and chance of thunderstorms. Highs near 60. North winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent. .TUESDAY NIGHT...Showers likely and chance of thunderstorms. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .WEDNESDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a 10 percent chance of thunderstorms. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 40s. .FRIDAY...Partly cloudy with a 10 percent chance of thunderstorms. Highs in the lower to mid 70s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 40s. .SATURDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Chance of rain 30 percent. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs in the mid 70s.