150
FNUS73 KUNR 260919
FWSUNR

Spot Forecast for Bismarck...Great Plains Dispatch
National Weather Service Rapid City SD
319 AM MDT Fri Jul 26 2024

Forecast is based on forecast start time of 0300 MDT on July 26.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Humidity recovery will be limited through this morning
as a warm, dry air mass remains over the region. Predominantly
southwesterly to westerly winds will gradually shift to the
northwest this morning and eventually to the northeast this
afternoon; however, winds should largely remain light through early
to mid afternoon. Later this afternoon into the evening, isolated
to scattered showers and thunderstorms are expected across the area,
which could bring strong and erratic wind gusts.

Tonight into tomorrow morning, better humidity recovery is
anticipated, with maximum relative humidity values in the 70 to 75
percent range. Another hot and dry day is in store tomorrow, with
highs climbing into the lower 90s and relative humidity values
dropping to near 20 percent.

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent). Haze.
Min temperature.....Around 68.
Max humidity........Around 40 percent.
Wind (20 ft)........Southwest to west winds 5 to 10 mph with gusts
                    to around 15 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......400 to 900 ft agl.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....Poor.

.TODAY...

Sky/weather.........Partly sunny (60-70 percent). Haze through the
                    day. Chance of showers and thunderstorms in the
                    afternoon.
Max temperature.....Around 89.
Min humidity........Around 25 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph in the morning
                    becoming northeast to east with gusts to 15 mph
                    in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
CWR.................30 percent.
LAL.................1 until 1200, then 4.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......7400 to 7900 ft agl.
Transport winds.....West around 10 mph shifting to the east in the
                    afternoon.
Smoke dispersal.....Good.

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent) then becoming
                    partly cloudy (40-50 percent). Showers and
                    thunderstorms likely in the evening. Haze
                    through the night.
Min temperature.....Around 60.
Max humidity........70 to 75 percent.
Wind (20 ft)........Northeast winds 5 to 10 mph shifting to the
                    northwest overnight. Gusty and erratic winds
                    expected near thunderstorms in the evening.
CWR.................45 percent.
LAL.................4 until 2400, then 1.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......400 to 900 ft agl.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor.

.SATURDAY...

Sky/weather.........Mostly sunny (25-35 percent). Haze through the
                    day. Slight chance of showers and thunderstorms
                    in the afternoon.
Max temperature.....Around 91.
Min humidity........Around 20 percent.
Wind (20 ft)........Southwest winds around 10 mph with gusts to
                    around 20 mph. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
CWR.................0 percent.
LAL.................1 until 1200, then 3.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......11600 to 12100 ft agl.
Transport winds.....West to southwest around 20 mph.
Smoke dispersal.....Excellent.

$$
Forecaster...KS
Requested by...Megan Jaros
Type of request...WILDFIRE
.TAG 2418995.0/UNR
.DELDT 07/26/24
.FormatterVersion 2.0.0
.EMAIL sdgpc@firenet.gov