Tue May 21 03:57:26 EDT 2024

Bordeaux/Chugwater/Wheatland-
157 AM MDT Tue May 21 2024

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy. 
                    Patchy dense fog until 1000Areas of dense fog 
                    after 1000 until 1100. Chance of showers. 
                    Slight chance of thunderstorms after 0900 until 
                    1500Chance of thunderstorms after 1500. 
Max temperature.....50-55. 
   24 hr trend......5 degrees cooler. 
Min humidity........58-64 percent. 
   24 hr trend......13 percent wetter. 
20-foot winds.......Northwest 10 to 15 mph with higher gusts. 
LAL.................2 until 1500, then 3. 
Chc of wetting rain.30 percent. 
Transport winds.....Northwest 15 to 20 mph. 
Mixing height.......2400-4100 ft AGL increasing to 5300-7300 ft AGL 
                    in the afternoon. 
Smoke dispersal.....Fair (42000 knot-ft) increasing to good (92500 
                    knot-ft) in the afternoon. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and 
                    thunderstorms until 2400, then chance of 
                    sprinkles and flurries. Patchy frost after 0100 
                    until 0400Areas of frost after 0400. 
Min temperature.....33-38. 
   24 hr trend......4 degrees cooler. 
Max humidity........90-96 percent. 
   24 hr trend......4 percent drier. 
Humidity recovery...Excellent. 
20-foot winds.......Northwest 5 to 10 mph. Gusts up to 25 mph in 
                    the evening. 
LAL.................3 until 2100, then 1 until 2400, then 2. 
Chc of wetting rain.10 percent. 
Transport winds.....Northwest around 10 mph. 
Mixing height.......3900-5900 ft AGL decreasing to 200-1200 ft AGL 
                    after midnight. 
Smoke dispersal.....Poor to fair (6000-47400 knot-ft). 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.WEDNESDAY...
Sky/weather.........Mostly sunny until 1200, then partly cloudy. 
                    Areas of frost until 0700. 
Max temperature.....66-71. 
   24 hr trend......15 degrees warmer. 
Min humidity........23 percent. 
   24 hr trend......43 percent drier. 
20-foot winds.......West around 10 mph and gusty. 
LAL.................1. 
Chc of wetting rain.Zero percent. 
Transport winds.....West around 15 mph. 
Mixing height.......2900-4900 ft AGL increasing to 9400-11400 ft 
                    AGL in the afternoon. 
Smoke dispersal.....Fair (57900 knot-ft) increasing to very good 
                    (127500 knot-ft) in the afternoon. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Mostly clear with slight chance of showers. Lows in
the lower 40s. Highs around 70. Southwest winds around 10 mph. 
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
Northwest winds around 15 mph. 
.SATURDAY...Partly cloudy with chance of showers. Lows in the mid
40s. Highs around 70. Southwest winds around 10 mph. 
.SUNDAY...Partly cloudy with chance of showers. Lows in the mid
40s. Highs in the upper 60s. 
.MEMORIAL DAY...Mostly clear. Slight chance of showers. Lows in
the lower 40s. Highs in the lower 70s.