720
FNUS73 KGRR 241426
FWSGRR

Spot Forecast for TA4 burn...MDMVA
National Weather Service Grand Rapids MI
Issued by National Weather Service Detroit/Pontiac MI
1026 AM EDT Mon Aug 24 2026

Forecast is based on ignition time of 1100 EDT on August 24.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (616) 949-5150, if you have questions
or concerns with this forecast.

.DISCUSSION...One more day of NW breezes before winds finally
subside tonight. Dry conditions are forecast today as an area
of high pressure advances toward our region by tonight into
Tuesday. Some patchy fog may develop early Tuesday morning.

.REST OF TODAY...

Sky/weather.........Mostly Sunny (15-25 percent).
Temperature.........68 at ignition...Max 75.
RH..................63 percent at ignition...Min 51 percent.
Wind (20 ft)........Winds west at 9 mph at ignition...otherwise
                    Northwest winds 9 to 12 mph.
Mixing height.......3500 ft AGL at ignition...otherwise 4800 ft
                    AGL.
Mixing winds........Northwest 14 to 17 mph.
Smoke dispersal.....480 /good/ at ignition. Max...830 /excellent/.

TIME (EDT)      11 AM  1 PM   3 PM   5 PM   7 PM   9 PM
Sky (%).........8      16     19     16     20     16
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............68     72     73     74     71     64
RH..............63     57     55     51     55     70
20 ft wind......W 9    NW 10  NW 12  NW 10  NW 8   W 5
20 ft wind gust.20     21     22     21     18     10
Mix hgt (ft)....3500   4500   4600   4100   2800   400
Mixing wind.....W 14   NW 16  NW 16  NW 16  NW 14  W 9
Smoke disprsl...480    720    740    670    390    40

.TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent). Patchy fog
                    overnight. Areas of fog after 3 am.
Temperature.........Min 51.
RH..................Max 100 percent.
Wind (20 ft)........Northwest winds 5 to 9 mph with gusts to around
                    20 mph early in the evening becoming light.
Mixing height.......400 ft AGL.
Mixing winds........Northwest 5 to 14 mph.
Smoke dispersal.....510 (good) early in the evening decreasing to
                    20 (poor) late in the night.

.TUESDAY...

Sky/weather.........Sunny (20-30 percent) then becoming partly
                    sunny (50-60 percent). Areas of fog early in
                    the morning.
Temperature.........Max 80.
RH..................Min 48 percent.
Wind (20 ft)........Light winds.
Mixing height.......5800 ft AGL.
Mixing winds........Northwest 3 to 7 mph shifting to the west
                    around 6 mph late in the afternoon.
Smoke dispersal.....10 (poor) early in the morning increasing to
                    400 (good) in the afternoon.

$$
Forecaster...Mann
Requested by...Michele Richards
Type of request...PRESCRIBED
.TAG 2620375.0/GRR
.DELDT 08/24/26
.FormatterVersion 2.0.0
.EMAIL richardsm2@michigan.gov