FNUS73 KGRR 051607 FWSGRR Spot Forecast for County Farm...MDNR National Weather Service Grand Rapids MI 1207 PM EDT Tue May 5 2026 Forecast is based on ignition time of 1100 EDT on May 06. 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... Light showers will continue to move to the east. Expecting west to northwesterly flow to continue through the day with gusty winds possible this afternoon. Wind gusts will be between 15 to 20 mph. Though there was some light rain early today the west to northwesterly dry flow should drop RH's to mid 30s. Mixing heights will be in the 4,500 to 5,000 range. Winds will calm this evening and temperatures will continue to cool with lows tonight in the mid to upper 30s. .WEDNESDAY... Sky/weather.........Mostly sunny (30-40 percent) then becoming mostly cloudy (65-75 percent). Temperature.........50 at ignition...Max 55. RH..................42 percent at ignition...Min 35 percent. Mixing height.......5200 ft AGL at ignition...otherwise 6100 ft AGL. Mixing winds........Northwest 6 to 8 mph shifting to the west 10 to 17 mph in the late morning and afternoon. Smoke dispersal.....600 /excellent/ at ignition. Max...890 /excellent/. TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P Sky (%).........56 73 77 77 66 64 69 66 64 61 52 25 Weather cov..... Weather type.... Tstm cov........ Temp............50 52 52 53 53 52 53 51 51 51 46 43 RH..............42 39 38 37 35 36 35 36 36 38 45 50 20 FT wind dir..M M M M M M M M M M M M 20 FT wind spd..M M M M M M M M M M M M 20 FT wind gust.M M M M M M M M M M M M Mix hgt (kft)...5.2 5.9 6.1 5.9 5.9 5.5 4.8 3.7 2.4 1.4 0.8 0.5 Mixing wind dir.W W W W W W W W W W W W Mixing wind spd.12 13 14 14 15 16 17 17 16 15 13 10 Smoke disprsl...600 750 840 810 880 890 820 640 400 210 100 50 .WEDNESDAY NIGHT... Sky/weather.........Mostly cloudy (55-65 percent) then becoming mostly clear (10-20 percent). Areas of frost overnight. Temperature.........Min 35. RH..................Max 79 percent. Mixing height.......200 ft AGL. Mixing winds........West 8 to 17 mph. Smoke dispersal.....640 (excellent) early in the evening decreasing to 20 (poor) late in the night. .THURSDAY... Sky/weather.........Mostly sunny (30-40 percent). Areas of frost early in the morning. Temperature.........Max 56. RH..................Min 35 percent. Mixing height.......7400 ft AGL. Mixing winds........West 7 to 14 mph increasing to 17 to 22 mph late in the morning. Smoke dispersal.....0 (poor) early in the morning increasing to 1060 (excellent) in the afternoon increasing to 1300 (excellent) in the afternoon. $$ Forecaster...Ceru Requested by...650 Type of request...PRESCRIBED .TAG 2612793.0/GRR .DELDT 05/05/26 .FormatterVersion 2.0.0 .EMAIL CORSERJ@MICHIGAN.GOV