Spot Forecast
Issued by NWS Grand Rapids, MI

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FNUS73 KGRR 160911
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Spot Forecast for Newaygo Prairie RX...USFS
National Weather Service Grand Rapids MI
511 AM EDT Fri May 16 2025

Forecast is based on ignition time of 1000 EDT on May 16.
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...
Showers and thunderstorms will return FRiday evening as a cold
front moves through. Scattered showers and cooler temperatures
on Saturday with dry and cool weather for early next week.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
Temperature.........69 at ignition...Max 82.
RH..................61 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds south at 6 mph at ignition...otherwise
                    South winds 6 to 13 mph. Gusts up to 26 mph.
Mixing height.......1500 ft AGL at ignition...otherwise 7200 ft
                    AGL.
Mixing winds........South 15 to 21 mph increasing to 21 to 28 mph
                    in the afternoon.
Smoke dispersal.....220 /fair/ at ignition. Max...1150 /excellent/
                    increasing to 1080 (excellent) in the
                    afternoon, then decreasing to 490 (good) in the
                    evening.

TIME (EDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Sky (%).........2      2      13     45     45     37
Weather cov.....                                   DEFNTE
Weather type....NONE   NONE   NONE   NONE   NONE   RNSHWR
Tstm cov........                                   CHANCE
Temp............69     75     80     82     80     77
RH..............61     50     39     34     38     45
20 ft wind......S 6    S 9    S 12   S 12   S 12   S 9
20 ft wind gust.15     22     25     26     25     22
Mix hgt (ft)....1500   3100   6200   7200   4700   1500
Mixing wind.....S 15   SW 21  SW 28  S 26   S 23   S 20
Smoke disprsl...220    640    1710   1910   1080   290

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (65-75 percent). Rain showers and
                    chance of thunderstorms in the evening, then
                    chance of rain showers overnight.
Temperature.........Min 50.
RH..................Max 89 percent.
Wind (20 ft)........South winds 6 to 9 mph with gusts to around 22
                    mph shifting to the southwest 6 to 8 mph with
                    gusts to around 20 mph overnight. Gusty and
                    erratic winds expected near thunderstorms in
                    the evening.
Mixing height.......800 ft AGL.
Mixing winds........Southwest 12 to 20 mph shifting to the west 20
                    to 21 mph toward daybreak.
Smoke dispersal.....320 (good) early in the evening decreasing to
                    90 (poor) late in the night.

.SATURDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain
                    showers until midday.
Temperature.........Max 60.
RH..................Min 64 percent.
Wind (20 ft)........West winds 9 to 13 mph with gusts to around 28
                    mph.
Mixing height.......2200 ft AGL.
Mixing winds........West 22 to 25 mph.
Smoke dispersal.....400 (good).

$$
Forecaster...Ostuno
Requested by...Dean Chambers
Type of request...PRESCRIBED
.TAG 2514070.0/GRR
.DELDT 05/16/25
.FormatterVersion 2.0.0
.EMAIL dean.chambers@usda.gov