FNUS73 KFGF 050837 FWSFGF Spot Forecast for Annex...SDFR PBA National Weather Service Grand Forks ND 337 AM CDT Tue May 5 2026 Forecast is based on ignition time of 0800 CDT on May 08. 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... The spot request for this prescribed burn came in with a burn date of 5/8 which is a Friday. Thus Friday into Friday night is the main period of weather shown. Unseasonably cool today and Wednesday with mostly cloudy sky, a few breaks of sun. Milder Thursday and Friday...back toward normal temperature values. Dry airmass in place both days. On Friday, mostly sunny and northwest winds in the 10-20 mph range with some higher gusts. Lowest RH values into the 25-30 percent range. .FRIDAY... Sky/weather.........Mostly sunny (35-45 percent). Max temperature.....Around 65. Min humidity........27 percent. Wind (20 ft)........Northwest winds 10 to 15 mph becoming around 15 mph late in the afternoon. Mixing height.......9600 ft AGL. Mixing winds........Northwest 10 to 15 mph increasing to around 20 mph late in the afternoon. Smoke dispersal.....10000 knot-ft early in the morning increasing to 89100 knot-ft in the afternoon increasing to (120200 knot-ft) in the afternoon. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........56 41 26 25 25 24 26 29 31 32 Weather cov..... Weather type.... Tstm cov........ Temp............44 48 53 56 59 62 63 64 65 64 RH..............53 47 39 35 32 28 28 28 27 28 20 FT wind dir..N N N N NW NW NW NW NW NW 20 FT wind spd..10 10 10 10 15 15 15 15 15 15 20 FT wind gust.12 13 14 16 18 20 21 23 23 23 Mix hgt (kft)...1.2 2.0 2.9 4.8 6.7 8.6 8.9 9.2 9.6 9.0 Mixing wind dir.N N NW NW NW NW NW NW NW NW Mixing wind spd.10 10 15 15 15 15 15 20 20 20 Vrate kt-ft/1K..10 21 35 61 89 120 134 148 163 151 .FRIDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). Min temperature.....Around 41. Max humidity........67 percent. Wind (20 ft)........Northwest winds 10 to 15 mph shifting to the west around 5 mph late in the evening, then shifting to the southwest overnight. Mixing height.......0 ft AGL. Mixing winds........Northwest 15 to 20 mph decreasing to around 10 mph late in the evening, then shifting to the southwest overnight increasing to around 20 mph after 3 am. Smoke dispersal.....(63900 knot-ft) decreasing to 24300 knot-ft early in the evening decreasing to 0 knot-ft late in the night in the late evening and overnight. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........34 36 36 36 31 31 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Temp............63 58 51 47 45 43 RH..............29 36 48 56 60 65 20 ft wind......NW 15 NW 10 NW 5 SW 5 SW 5 SW 5 20 ft wind gust.22 18 9 7 8 11 Mix hgt (ft)....8500 4900 500 BLW100 300 400 Mixing wind.....NW 20 NW 15 N 10 SW 10 SW 15 SW 20 Vrate kt-ft/1K..139 645 0 4 7 $$ Forecaster...DR Requested by...Janet King Type of request...PRESCRIBED .TAG 2612659.0/FGF .DELDT 05/05/26 .FormatterVersion 2.0.0 .EMAIL Janet.King2005.17@gmail.com