FNUS73 KFGF 051127 FWSFGF Spot Forecast for Stony Brook...FWS National Weather Service Grand Forks ND 627 AM CDT Tue May 5 2026 Forecast is based on ignition time of 1000 CDT on May 05. If conditions become unrepresentative, contact the National Weather Service. Please call the NWS in Grand Forks at 701-795-5127 for additional information and monitor our website (www.weather.gov/fgf) or NOAA All-Hazards Radio for the latest updates. .DISCUSSION... Northwest winds today, not as strong as Monday, but still some gusts near 25 mph midday and afternoon. Thinking is mostly cloudy / partly sunny today. Cool, but still rather dry airmass in place so lowest RH values reaching near 40 percent by late afternoon. .REST OF TODAY... Sky/weather.........Partly sunny (55-65 percent). Max temperature.....Around 46. Min humidity........40 percent. Wind (20 ft)........Northwest winds 12 to 17 mph, gusts 20 to 25 mph in the midday and afternoon. Mixing height.......6200 ft AGL. Mixing winds........Northwest 20 to 25 mph. Smoke dispersal.....(88300 knot-ft). TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........57 59 61 64 64 65 65 63 Weather cov..... Weather type.... Tstm cov........ Temp............39 40 41 41 43 44 44 44 RH..............54 52 48 49 45 41 43 43 20 FT wind dir..NW NW NW NW NW NW NW NW 20 FT wind spd..10 15 15 15 15 15 15 15 20 FT wind gust.18 19 21 22 22 22 21 22 Mix hgt (kft)...4.9 5.6 5.6 5.9 6.1 5.8 6.0 6.2 Mixing wind dir.NW NW NW NW NW NW NW NW Mixing wind spd.20 25 20 20 20 20 20 20 Vrate kt-ft/1K..89 118 108 112 115 112 110 118 .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent) then becoming partly cloudy (35-45 percent). Min temperature.....Around 29. Max humidity........81 percent. Wind (20 ft)........Northwest winds 10 to 15 mph shifting to the north around 5 mph in the late evening and overnight. Mixing height.......600 ft AGL. Mixing winds........Northwest 15 to 20 mph shifting to the north around 10 mph in the late evening and overnight. Smoke dispersal.....111500 knot-ft early in the evening decreasing to 58800 knot-ft late in the night decreasing to (4000 knot-ft) in the late evening and overnight. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........61 58 64 57 49 42 35 28 29 31 32 37 Weather cov..... Weather type.... Tstm cov........ Temp............45 44 42 39 37 35 35 33 32 31 31 31 RH..............40 41 45 50 56 61 61 66 69 72 72 75 20 FT wind dir..NW NW NW NW N N N N N NW N NW 20 FT wind spd..15 10 10 10 5 5 5 5 5 5 5 5 20 FT wind gust.20 20 16 14 13 11 9 9 9 8 9 9 Mix hgt (kft)...6.1 5.7 3.9 0.8 0.6 0.6 0.7 0.6 1.0 0.6 1.0 0.9 Mixing wind dir.NW NW N N N N N N N N N N Mixing wind spd.20 20 15 10 10 10 10 10 10 10 10 10 Vrate kt-ft/1K..112 101 61 9 5 6 6 5 9 4 8 7 .WEDNESDAY... Sky/weather.........Partly sunny (50-60 percent). Max temperature.....Around 48. Min humidity........40 percent. Wind (20 ft)........Northwest winds 5 to 10 mph. Gusts up to 21 mph in the afternoon. Mixing height.......6800 ft AGL. Mixing winds........Northwest 10 to 15 mph increasing to around 20 mph in the late morning and afternoon. Smoke dispersal.....3500 knot-ft early in the morning increasing to 103200 knot-ft in the afternoon increasing to (108700 knot-ft) in the afternoon. $$ Forecaster...DR Requested by...Millette Type of request...PRESCRIBED .TAG 2612736.0/FGF .DELDT 05/05/26 .FormatterVersion 2.0.0 .EMAIL phil_millette@fws.gov