Tue Apr  5 05:35:33 EDT 2022

Box Butte/South Sioux-
335 AM MDT Tue Apr 5 2022

...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT
WEDNESDAY...

.TODAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy. 
                    Slight chance of showers until 0700. Slight 
                    chance of snow showers until 1400. 
Max temperature.....44-49. 
   24 hr trend......21 degrees cooler. 
Min humidity........17 percent. 
   24 hr trend......5 percent wetter. 
20-foot winds.......Windy. Northwest around 25 mph with gusts to 
                    around 50 mph increasing to around 35 mph with 
                    gusts to around 60 mph in the afternoon. 
LAL.................1. 
Chc of wetting rain.5 percent. 
Transport winds.....Northwest around 35 mph increasing to around 45 
                    mph in the afternoon. 
Mixing height.......4000-4500 ft AGL increasing to 13400-14000 ft 
                    AGL in the afternoon. 
Smoke dispersal.....Very good (128100 knot-ft) increasing to 
                    excellent (524000 knot-ft) in the afternoon. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.TONIGHT...
Sky/weather.........Partly cloudy. 
Min temperature.....26-31. 
   24 hr trend......6 degrees cooler. 
Max humidity........41-47 percent. 
   24 hr trend......20 percent drier. 
Humidity recovery...Poor. 
20-foot winds.......Windy. Northwest 25 to 30 mph with gusts to 
                    around 50 mph. 
LAL.................1. 
Chc of wetting rain.Zero percent. 
Transport winds.....Northwest 45 to 50 mph. 
Mixing height.......6300-7300 ft AGL decreasing to 3700-4200 ft AGL 
                    after midnight. 
Smoke dispersal.....Excellent (273500 knot-ft) decreasing to 
                    excellent (173400 knot-ft) after midnight. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.WEDNESDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy. 
                    Slight chance of snow showers after 1200. 
Max temperature.....42-47. 
   24 hr trend......3 degrees cooler. 
Min humidity........30-36 percent. 
   24 hr trend......20 percent wetter. 
20-foot winds.......Windy. Northwest around 35 mph with gusts to 
                    around 70 mph. 
LAL.................1. 
Chc of wetting rain.Zero percent. 
Transport winds.....Northwest 50 to 55 mph. 
Mixing height.......4700-5500 ft AGL increasing to 9300-10500 ft 
                    AGL in the afternoon. 
Smoke dispersal.....Excellent (251600 knot-ft) increasing to 
                    excellent (435300 knot-ft) in the afternoon. 
Haines Index........2 or very low potential for large plume 
                    dominated fire growth. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Windy. Mostly clear. Lows in the mid 20s. Highs in
the upper 40s. Northwest winds around 30 mph. 
.FRIDAY...Warmer, clear. Lows in the lower 20s. Highs in the
upper 50s. Northwest winds around 15 mph. 
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 60s. Southwest winds around 10 mph. 
.SUNDAY...Cooler. Partly cloudy with chance of showers and slight
chance of snow showers. Lows around 30. Highs in the mid 50s. 
.MONDAY...Mostly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs around 50.