Tue Apr  5 05:35:33 EDT 2022

Pine Ridge/Nebraska National Forest/Oglala National Grasslands-
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.........Partly cloudy until 0900, then mostly cloudy 
                    until 1500, then partly cloudy. Slight chance 
                    of showers until 0700. Slight chance of snow 
                    showers until 0900. 
Max temperature.....43-49. 
   24 hr trend......19 degrees cooler. 
Min humidity........17 percent. 
   24 hr trend......7 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 40 to 45 mph. 
Mixing height.......4300-5200 ft AGL increasing to 13900-15200 ft 
                    AGL in the afternoon. 
Smoke dispersal.....Excellent (159900 knot-ft) increasing to 
                    excellent (540600 knot-ft) in the afternoon. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 

.TONIGHT...
Sky/weather.........Partly cloudy. 
Min temperature.....28-33. 
   24 hr trend......2 degrees cooler. 
Max humidity........44-50 percent. 
   24 hr trend......17 percent drier. 
Humidity recovery...Poor. 
20-foot winds.......Windy. Northwest 25 to 30 mph with gusts to 
                    around 55 mph. 
LAL.................1. 
Chc of wetting rain.Zero percent. 
Transport winds.....Northwest 50 to 55 mph. 
Mixing height.......5400-7400 ft AGL decreasing to 3700-4200 ft AGL 
                    after midnight. 
Smoke dispersal.....Excellent (268100 knot-ft) decreasing to 
                    excellent (187300 knot-ft) after midnight. 
Haines Index........4 or low potential for large plume dominated 
                    fire growth. 

.WEDNESDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy. 
                    Slight chance of snow showers. Slight chance of 
                    showers after 1300. 
Max temperature.....42-47. 
   24 hr trend......2 degrees cooler. 
Min humidity........33-39 percent. 
   24 hr trend......19 percent wetter. 
20-foot winds.......Windy. Northwest around 35 mph with gusts to 
                    around 70 mph. 
LAL.................1. 
Chc of wetting rain.5 percent. 
Transport winds.....Northwest 50 to 55 mph. 
Mixing height.......4400-5200 ft AGL increasing to 8800-9600 ft AGL 
                    in the afternoon. 
Smoke dispersal.....Excellent (237600 knot-ft) increasing to 
                    excellent (380700 knot-ft) in the afternoon. 
Haines Index........3 or very low potential for large plume 
                    dominated fire growth. 

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Breezy. Partly cloudy. Lows in the upper 20s. Highs
in the upper 40s. Northwest winds around 25 mph. 
.FRIDAY...Clear. Lows in the lower 20s. Highs in the upper 50s.
Northwest winds around 15 mph. 
.SATURDAY...Warmer. 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 lower 50s. 
.MONDAY...Mostly cloudy with chance of showers and snow showers.
Lows in the upper 20s. Highs in the upper 40s.