Mon May 20 15:34:40 EDT 2024

Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National
Forest-
234 PM CDT Mon May 20 2024

.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers in the 
                    evening. Chance of thunderstorms through the 
                    night. Rain showers after midnight. 
Min temperature.....46-51. 
   24 hr trend......9 degrees cooler. 
Max humidity........100 percent. 
   24 hr trend......7 percent wetter. 
20-foot winds.......Northeast 10 to 15 mph. 
LAL.................4. 
Haines Index........3 or very low. 
Smoke dispersal.....Poor. 
Mixing height.......700-4800 ft AGL until 2400, then 600-2000 ft 
                    AGL. 
Transport winds.....Northeast 15 to 20 mph. 

.TUESDAY...
Sky/weather.........Mostly cloudy. Chance of thunderstorms in the 
                    morning. Showers through the day. Chance of 
                    thunderstorms in the afternoon. 
Max temperature.....56-61. 
   24 hr trend......11 degrees cooler. 
Min humidity........63 percent. 
   24 hr trend......16 percent wetter. 
20-foot winds.......North 10 to 20 mph. 
LAL.................4. 
Haines Index........3 or very low. 
Smoke dispersal.....Good. 
Mixing height.......600-3500 ft AGL. 
Transport winds.....North 25 to 30 mph. 

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers. 
Min temperature.....41-46. 
   24 hr trend......4 degrees cooler. 
Max humidity........100 percent. 
   24 hr trend......Unchanged. 
20-foot winds.......Northwest 5 to 15 mph. 
LAL.................1. 
Haines Index........4 or low. 
Smoke dispersal.....Poor. 
Mixing height.......400-3800 ft AGL until 2400, then 400-600 ft 
                    AGL. 
Transport winds.....Northwest 15 to 20 mph. 

.WEDNESDAY...
Sky/weather.........Mostly sunny. Slight chance of showers. 
Max temperature.....68-73. 
   24 hr trend......12 degrees warmer. 
Min humidity........32 percent. 
   24 hr trend......26 percent drier. 
20-foot winds.......West 5 to 10 mph. 
LAL.................1. 
Haines Index........6 or high. 
Smoke dispersal.....Very good. 
Mixing height.......400-4200 ft AGL until 1200, then 5000-7400 ft 
                    AGL. 
Transport winds.....West around 15 mph. 


.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 70s. South winds 5 to
15 mph. 
.FRIDAY...Cooler. Showers likely and chance of thunderstorms.
Lows in the mid 40s. Highs in the mid 60s. Northwest winds 5 to
15 mph. 
.SATURDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 40s. Highs in the lower 70s. South winds 5 to 10 mph. 
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s. 
.MEMORIAL DAY...Partly cloudy. Chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
lower 70s.