015
FNUS73 KGRR 041139
FWSGRR

Spot Forecast for Peacock 545...USFS
National Weather Service Grand Rapids MI
639 AM EST Thu Dec 4 2025

Forecast is based on ignition time of 0900 EST on December 04.
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...
High pressure will build over the area today, after a front moved through
area yesterday with some freezing drizzle and light snow. Temperatures
will be much cooler than yesterday, with highs in the upper teens. Winds
from the northwest this morning with a few gusts to 20 mph will diminish
through today and become from the SW late.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of
                    flurries in the late morning and afternoon.
Temperature.........10 at ignition...Max 19.
RH..................70 percent at ignition...Min 54 percent.
Wind (20 ft)........Winds Northwest winds 7 to 9 mph
                    shifting to the southwest around 6 mph late in the
                    afternoon.
Mixing height.......4000 ft AGL at ignition...otherwise 4000 ft
                    AGL.
Mixing winds........Northwest 20 mph shifting to the southwest
                    to 10 mph late in the afternoon.
Smoke dispersal.....800 /excellent/ at ignition. Max...800 /excellent/.

TIME (EST)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
Sky (%).........78     81     85     76     68     59
Weather cov.....       CHANCE CHANCE CHANCE CHANCE
Weather type....NONE   SNSHWR SNSHWR SNSHWR SNSHWR NONE
Tstm cov........
Temp............13     17     19     19     17     12
RH..............70     65     56     54     67     84
20 ft wind......NW 9   NW 8   NW 7   W 6    SW 6   S 6
20 ft wind gust.18     15     10     8      7      8
Mix hgt (ft)....4000   4000   4000   4000   1200   400
Mixing wind.....NW 20  NW 18  W 13   W 9    SW 8   S 9
Smoke disprsl...800    800    800    800    100    40

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent). Chance of
                    flurries early in the evening.
Temperature.........Min 9.
RH..................Max 90 percent.
Wind (20 ft)........South winds 6 to 12 mph.
Mixing height.......400 ft AGL.
Mixing winds........South 10 to 15 mph shifting to the southwest 15
                    to 20 mph after 3 am.
Smoke dispersal.....40-100(poor).

.FRIDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of snow
                    showers.
Temperature.........Max 29.
RH..................Min 60 percent.
Wind (20 ft)........Southwest winds 7 to 10 mph. Gusts up to 22
                    mph.
Mixing height.......3000 ft AGL.
Mixing winds........Southwest 18 to 25 mph.
Smoke dispersal.....90 (poor) early in the morning increasing to
                    750 (excellent) in the afternoon.

$$
Forecaster...Jeruzal
Requested by...Kelsey Tucker
Type of request...PRESCRIBED
.TAG 2526972.0/GRR
.DELDT 12/04/25
.FormatterVersion 2.0.0
.EMAIL kelsey.tucker@usda.gov