FNUS73 KGRR 051715 FWSGRR Spot Forecast for County Farm...MDNR National Weather Service Grand Rapids MI 115 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... Updated with the latest wind forecast. Tuesday afternoon's winds will be similar to Wednesday afternoon. Wednesday early morning, light winds will be more from the north with poor smoke dispersal until 1100 AM EDT. Winds will become more established through the mixing layer from the west-northwest after 1100 AM EDT Wed with daytime heating. Patches of high altitude clouds partly filtering the sun could also help to keep the gust potential from becoming excessive. .WEDNESDAY... Sky/weather.........Partly sunny (60-70 percent). Temperature.........50 at ignition...Max 55. RH..................42 percent at ignition...Min 35 percent. Wind (20 ft)........Winds northwest at 7 mph at ignition...otherwise West winds 7 to 10 mph. Gusts up to 21 mph late in the afternoon. Mixing height.......5200 ft AGL at ignition...otherwise 6100 ft AGL. Mixing winds........West 12 to 17 mph. 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..NW W W W W W W W W W W W 20 FT wind spd..7 8 9 10 10 10 10 10 9 8 7 6 20 FT wind gust.14 16 18 20 20 20 21 21 18 16 13 9 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 after 3 am. Temperature.........Min 35. RH..................Max 79 percent. Wind (20 ft)........West winds 5 to 10 mph with gusts to around 21 mph in the evening becoming light. 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. Wind (20 ft)........Light winds becoming west 5 to 13 mph with gusts to around 24 mph in the late morning and afternoon. 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...Scholten Requested by...650 Type of request...PRESCRIBED .TAG 2612793.0/GRR .DELDT 05/05/26 .FormatterVersion 2.0.0 .EMAIL CORSERJ@MICHIGAN.GOV