Spot Forecast Issued by NWS Rapid City, SD
000
FNUS73 KUNR 190209
FWSUNR
Spot Forecast for Creek Drive...Rapid City Fire Department
National Weather Service Rapid City SD
809 PM MDT Thu Apr 18 2024
Forecast is based on ignition time of 2100 MDT on April 18.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...Northwest winds will continue to gradually diminish
this evening, but they will increase and by gusty again on
Friday. Temperatures will be below average through Saturday.
Milder conditions will return by Sunday with southerly winds. Dry
weather will persist through the weekend. A cold front will sweep
through the area early Monday morning, bringing near-average
temperatures and breezy northwesterly winds again on Monday.
Finally, it will be trending warmer for the latter half of next
week.
.REST OF TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Min temperature.....Around 25.
Max humidity........57 percent.
Wind (20 ft)........Northwest winds decreasing to 10 to 15 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......500 to 1000 ft agl.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 43.
Min humidity........30 percent.
Wind (20 ft)........North winds 10 to 25 mph with gusts to around
35 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
fire growth.
Mixing height.......6400 to 6900 ft agl.
Transport winds.....Northwest 30 to 35 mph.
Smoke dispersal.....Excellent.
.FRIDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....Around 21.
Max humidity........65 percent.
Wind (20 ft)........Northwest winds decreasing to 10 to 15 mph by
late evening.
CWR.................0 percent.
LAL.................1.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......400 to 900 ft agl.
Transport winds.....Northwest around 30 mph decreasing to around 15
mph overnight.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 47.
Min humidity........34 percent.
Wind (20 ft)........North winds around 10 mph shifting to the east
in the afternoon. Gusts up to 15 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........3 or very low potential for large plume
dominated fire growth.
Mixing height.......6700 to 7200 ft agl.
Transport winds.....Northwest around 15 mph.
Smoke dispersal.....Good.
$$
Forecaster...MB
Requested by...Eric OConnor
Type of request...PRESCRIBED
.TAG 2411367.0/UNR
.DELDT 04/18/24
.FormatterVersion 2.0.0
.EMAIL eric.oconnor@rcgov.org