FNUS73 KUNR 251208
FWSUNR

SPOT FORECAST FOR HAY CANYON
NATIONAL WEATHER SERVICE RAPID CITY SD
608 AM MDT WED APR 25 2012

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

DISCUSSION...WARM CONDITIONS WILL CONTINUE TODAY...WITH HIGHS IN THE
LOWER 80S. WEST TO NORTHWEST WINDS ARE EXPECTED TO TURN NORTHERLY
LATE THIS MORNING AS A WEAK COLD FRONT SLIDES SOUTH THROUGH THE AREA.
AFTERNOON HUMIDITIES WILL BE HIGHER THAN YESTERDAY...DROPPING TO NEAR
25 PERCENT IN THE AFTERNOON. THERE IS A SLIGHT CHANCE FOR A SHOWERS
OR THUNDERSTORM LATE TODAY AND INTO TONIGHT. A BETTER CHANCE FOR
SHOWERS AND THUNDERSTORMS IS EXPECTED ON THURSDAY...WITH COOLER
TEMPERATURES AND HIGHER HUMIDITIES.

FOR TODAY
   SKY / WEATHER.......PARTLY CLOUDY. A SLIGHT CHANCE OF AFTERNOON
                       SHOWERS AND THUNDERSTORMS.
   TEMPERATURE.........MAX 81-83
   RH..................MIN 24-26%
   20 FOOT WIND........WESTERLY 5 TO 10 MPH EARLY...BECOMING
                       NORTH-NORTHWEST 5 TO 10 MPH AFTER 1000 AM.
                       GUSTS AROUND 15 MPH ARE POSSIBLE DURING THE
                       LATE MORNING AND EARLY AFTERNOON.
   CWR.................5%
   LAL.................1 UNTIL 1200...THEN 2.
   HAINES INDEX........3
   MIXING HEIGHT.......INCREASING TO 7000 TO 8000 FT BY EARLY
                       AFTERNOON
   MIXING WINDS........NORTH-NORTHWEST 10 TO 20 MPH.
   SMOKE DISPERSAL.....POOR EARLY...BECOMING EXCELLENT BY NOON.

FOR TONIGHT
   SKY / WEATHER.......PARTLY CLOUDY. A SLIGHT CHANCE OF EVENING
                       SHOWERS AND THUNDERSTORMS...THEN A CHANCE OF
                       SHOWERS AFTER MIDNIGHT.
   TEMPERATURE.........MIN 50-53
   RH..................MAX 78-82%
   20 FOOT WIND........NORTH-NORTHEAST 5 TO 10 MPH
   CWR.................10%
   LAL.................2 UNTIL 2400...THEN 1.
   HAINES INDEX........3
   MIXING HEIGHT.......DECREASING TO AROUND 500 FT SHORTLY AROUND
                       SUNSET
   MIXING WINDS........NORTH AROUND 10 MPH BECOMING EAST OVERNIGHT
   SMOKE DISPERSAL.....POOR AFTER SUNSET.

OUTLOOK FOR TOMORROW
   SKY / WEATHER.......MOSTLY CLODUY. A CHANCE OF SHOWERS AND
                       THUNDERSTORMS.
   TEMPERATURE.........MAX 70-72
   RH..................MIN 44-47%
   20 FOOT WIND........EAST-NORTHEAST 5 TO 10 MPH...BECOMING
                       SOUTHEAST 10 TO 20 MPH LATE IN THE MORNING.
   CWR.................25%
   LAL.................2 UNTIL 1200...THEN 3.
   HAINES INDEX........2
   MIXING HEIGHT.......INCREASING TO AROUND 4000 FT BY EARLY
                       AFTERNOON
   MIXING WINDS........SOUTHEAST 10 TO 20 MPH IN THE MORNING...
                       INCREASING TO 20 TO 30 MPH IN THE AFTERNOON.
   SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT IN THE AFTERNOON

FORECASTER...ST

$$

REQUESTED BY...BRIAN DAUN
REASON FOR REQUEST...WILDFIRE