...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY... .TONIGHT... Sky/weather.........Mostly cloudy(55-60%) until 2400, then partly cloudy(35-45%). Chance of thunderstorms until 2100, then slight chance of thunderstorms until 2400. Min Temperature.....55-59. 24 hr trend......Little change. Max Humidity........59-67%. 24 hr trend......Little change. 20-foot winds.......South winds 10-18 mph with gusts to around 30 mph. Haines Index........3 or very low. LAL.................4 until 2400, then 1. CWR.................10 percent decreasing to 0 percent after midnight. 15K FT MSL winds....Southwest 20-30 mph. Mixing height.......7500 ft AGL until 1900. Below 1000 FT AGL after 2000. Transport winds.....South around 20 mph. Smoke dispersal.....Good until 1900, then poor. .THURSDAY... Sky/weather.........Mostly sunny. Max Temperature.....88-92. 24 hr trend......Little change. Min Humidity........12-21%. 24 hr trend......7-10% drier. 20-foot winds.......Breezy. South winds 16-26 mph with gusts to around 40 mph. Haines Index........5 or moderate. LAL.................1. CWR.................0 percent. 15K FT MSL winds....Southwest 25-35 mph. Mixing height.......Below 1000 FT AGL until 0800. 10500-11500 ft AGL after 1100. Transport winds.....South 20-25 mph until 1400, then around 30 mph. Smoke dispersal.....Poor until 1100. Excellent after 1400. .THURSDAY NIGHT... Sky/weather.........Mostly clear. Areas of smoke after 2400. Min Temperature.....52-56. 24 hr trend......2-4 degrees cooler. Max Humidity........53-63%. 24 hr trend......4-7% drier. 20-foot winds.......Breezy. South winds 17-27 mph until 2400, then west 8-15 mph. Gusts up to 35 mph. Haines Index........5 or moderate. LAL.................1. CWR.................0 percent. 15K FT MSL winds....Southwest 25-35 mph. Mixing height.......1500-2500 ft AGL until 2300, then Below 1000 FT AGL. Transport winds.....South 20-25 mph until 0200, then northwest around 15 mph. Smoke dispersal.....Good until 1900, then poor. .FRIDAY... Sky/weather.........Mostly sunny. Max Temperature.....81-85. 24 hr trend......7-10 degrees cooler. Min Humidity........16-24%. 24 hr trend......4-7% wetter. 20-foot winds.......North winds 9-17 mph with gusts to around 25 mph. Haines Index........4 or low. LAL.................1. CWR.................0 percent. 15K FT MSL winds....Southwest 20-30 mph. Mixing height.......Below 1000 FT AGL until 0700, then 5000-6000 ft AGL. Transport winds.....North 15-20 mph until 1700, then northeast. Smoke dispersal.....Poor until 1300, then good. .FRIDAY NIGHT...Mostly clear. Slight chance of thunderstorms. Lows in the lower 50s. Northeast winds 5-12 mph. .SATURDAY...Mostly clear. Highs in the lower 80s. East winds 6-13 mph. .SUNDAY...Partly cloudy. Slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 80s. Southeast winds 9-16 mph. .MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 80s. Southeast winds 10-17 mph.