979 FNUS73 KDLH 050954 FWSDLH Spot Forecast for Birch Bay Fire...USFS National Weather Service Duluth MN 454 AM CDT Fri Jun 5 2026 Forecast is based on forecast start time of 0600 CDT on June 05. If there are questions or concerns with this forecast, or if conditions become unrepresentative, contact the National Weather Service in Duluth at 218-729-0653. .DISCUSSION... Light and variable winds increase from the northwest this morning as a weak front moves through the area. A wind gust of 15-18 mph is possible this afternoon. There's a 5-10% chance for a stray afternoon shower or storm, but most of the activity will remain south. Expect quiet weather with light northwest winds Friday night into Saturday. Variable winds expected on Saturday, with speeds at or less than 5mph. With slightly drier air in place and temperatures warming into the low to mid 80s, minimum RH values Saturday afternoon will be around 30%. Looking ahead to Sunday, minimum RHs will be similar, around 30% in the afternoon, but winds will increase from the southeast at 8-12 mph with gusts of 20-25 mph. .TODAY... Sky/weather.........Partly sunny (45-55 percent). Chance of pcpn......10 percent. Max temperature.....Around 81. Min humidity........39 percent. Wind (20 ft)........Light winds becoming west 5 to 7 mph in the late morning and afternoon. Mixing height.......1700 ft AGL increasing to 5600 ft AGL. Transport winds.....West 6 to 15 mph. Smoke dispersal.....Poor to fair (2100-13700 knot-ft) increasing to good to excellent (54300-68600 knot-ft). Pcpn amount.........0.00 inches. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......PC MC MC PC PC PC PC PC PC PC PC PC Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 10 10 10 Temp............56 59 63 69 72 75 77 78 78 79 80 79 RH..............100 100 90 70 64 54 47 43 42 41 39 41 20 FT wind dir..SW W W W W W W W W W W W 20 FT wind spd..2 2 2 3 4 5 6 6 7 7 7 7 20 FT wind gust.6 6 6 7 9 12 13 14 14 14 14 14 Mix hgt (kft)...0.4 0.9 1.3 1.7 2.7 4.2 4.9 5.6 5.2 5.3 5.2 5.3 Transp wind dir.W W W W W W W W W W W W Transp wind spd.6 7 8 9 10 12 13 14 14 14 14 15 SDspl kt-ft/10002 5 9 14 24 42 54 68 63 64 63 69 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming clear (0-10 percent). Chance of pcpn......10 percent. Min temperature.....Around 51. Max humidity........100 percent. Wind (20 ft)........Northwest winds 5 to 6 mph early in the evening becoming light. Mixing height.......3900 ft AGL decreasing to 1000 ft AGL early in the evening. Transport winds.....Northwest 9 to 15 mph shifting to the north 6 to 9 mph late in the evening. Smoke dispersal.....Good (50300 knot-ft) decreasing to poor (2000 knot-ft). Pcpn amount.........0.00 inches. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky cover.......PCLDY PCLDY MCLEAR MCLEAR CLEAR CLEAR Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).10 10 0 0 0 0 Temp............78 72 64 59 55 52 RH..............42 53 67 80 86 93 20 ft wind......NW 6 NW 4 NW 3 NW 3 NW 3 NW 3 20 ft wind gust.14 11 9 7 7 6 Mix hgt (ft)....3900 1000 500 400 400 400 Transport wind..W 15 NW 10 NW 9 N 8 N 8 NW 7 SDspl kt-ft/100050 9 4 3 3 2 .SATURDAY... Sky/weather.........Sunny (5-15 percent). Chance of pcpn......0 percent. Max temperature.....Around 84. Min humidity........30 percent. Wind (20 ft)........Light winds becoming northwest around 5 mph late in the morning, then becoming light late in the afternoon. Mixing height.......1600 ft AGL increasing to 6200 ft AGL. Transport winds.....Northwest 6 to 8 mph. Smoke dispersal.....Poor to fair (2400-16400 knot-ft) increasing to fair to good (26500-43600 knot-ft) in the late morning and afternoon. Pcpn amount.........0.00 inches. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CLR CLR CLR CLR CLR CLR MCR MCR MCR MCR MCR MCR Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............51 56 61 65 72 75 77 78 81 82 83 84 RH..............100 90 78 65 51 46 42 38 34 32 31 30 20 FT wind dir..NW NW N NW NW NW NW NW NW NW NW N 20 FT wind spd..2 2 2 3 3 4 4 4 4 3 3 2 20 FT wind gust.5 5 5 6 8 9 9 11 9 9 8 7 Mix hgt (kft)...0.4 0.6 1.6 2.7 3.8 4.3 4.9 5.2 5.6 6.2 6.0 5.8 Transp wind dir.N NW NW NW NW NW NW NW N NW N N Transp wind spd.7 6 7 7 8 8 8 8 8 8 6 7 SDspl kt-ft/10002 3 10 16 27 30 34 36 39 44 30 35 $$ Forecaster...Holly Requested by...Jeb Backe Type of request...WILDFIRE .TAG 2614806.9/DLH .DELDT 06/05/26 .FormatterVersion 2.0.0 .EMAIL benjamin_evans@firenet.gov,brinkmanJ@stlouiscountymn.gov,JayeA@stlouiscountymn.gov,jeb.backe@usda.gov