FNUS73 KDLH 190017 FWSDLH Spot Forecast for Stewart Trail Fire...MNICS National Weather Service Duluth MN 717 PM CDT Mon May 18 2026 Forecast is based on forecast start time of 2000 CDT on May 18. 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... Possibly some fog this evening with easterly winds accelerating and turning to the north as temperatures cool as we head into Tuesday. There will be incoming rain tonight with possibly some embedded non-severe thunderstorms. Rainfall amounts could be up to 1/2 of an inch or more, so a cold, wetting rain. The rain pulls away near sunrise Tuesday with some shower activity Tuesday afternoon. Winds slowly turn to the northwest by daybreak Tuesday. Relative humidities remain high. Could see some temperatures below freezing Tuesday night into Wednesday morning. Lighter winds at that time though. .REST OF TONIGHT... Sky/weather.........Cloudy (90-100 percent). Rain showers likely early in the evening. Chance of thunderstorms through the night. Rain showers overnight. Chance of pcpn......90 percent. Min temperature.....Around 41. Max humidity........100 percent. Wind (20 ft)........Northeast winds 5 to 12 mph. Gusts up to 26 mph in the late evening and overnight. Gusty and erratic winds expected near thunderstorms. Mixing height.......900 ft AGL. Transport winds.....Northeast 12 to 20 mph decreasing to 7 to 9 mph after 3 am. Smoke dispersal.....Poor to fair (3400-15300 knot-ft). Pcpn amount.........0.21 inches. TIME (CDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY Weather cov.....CHC CHC CHC LKY DEF DEF DEF LKY LKY CHC Weather type....RW RW RW RW RW RW RW RW RW RW Tstm cov........SCH SCH CHC CHC CHC Chc of pcpn (%).30 40 50 60 80 90 80 70 60 50 Temp............42 43 43 42 42 42 43 43 43 42 RH..............97 96 96 96 96 96 96 96 96 96 20 FT wind dir..NE NE NE NE NE NE NE NE NE N 20 FT wind spd..9 9 10 11 11 11 9 6 4 4 20 FT wind gust.16 20 23 23 23 23 18 13 8 7 Mix hgt (kft)...0.5 0.6 0.6 0.7 0.9 0.9 0.9 0.8 0.6 0.6 Transp wind dir.E E E E E E NE NE NE N Transp wind spd.12 13 14 14 16 20 15 12 9 7 SDspl kt-ft/10005 7 7 9 12 15 12 8 5 3 .TUESDAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain showers early in the morning, then slight chance of rain showers early in the morning. Chance of sprinkles early in the afternoon. Chance of pcpn......40 percent. Max temperature.....Around 49. Min humidity........58 percent. Wind (20 ft)........Light winds becoming northwest 5 to 10 mph with gusts to around 19 mph. Mixing height.......2100 ft AGL. Transport winds.....Northwest 8 to 16 mph increasing to 18 to 21 mph in the afternoon. Smoke dispersal.....Poor to fair (4900-24100 knot-ft) increasing to fair to good (28800-37300 knot-ft) late in the afternoon. Pcpn amount.........0.04 inches. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky cover.......CDY CDY CDY MC MC MC MC MC MC MC MC MC Weather cov.....CHC CHC SCH CHC Weather type....RW RW RW RW Tstm cov........ Chc of pcpn (%).40 30 20 10 10 0 0 10 0 0 10 10 Temp............43 41 44 4648 48 48 48 49 48 48 48 RH..............93 100 89 79 74 71 68 68 63 60 60 58 20 FT wind dir..NW W W NW NW NW W W W NW NW NW 20 FT wind spd..3 4 5 6 8 9 9 10 10 10 10 10 20 FT wind gust.8 11 13 15 16 18 18 18 18 19 19 19 Mix hgt (kft)...0.7 0.8 1.0 1.3 1.4 1.6 1.4 1.4 1.8 1.7 1.6 2.1 Transp wind dir.N NW NW NW NW NW NW NW NW NW NW NW Transp wind spd.8 9 12 14 14 16 18 20 20 21 21 21 SDspl kt-ft/10005 6 10 16 17 22 23 24 31 31 29 37 .TUESDAY NIGHT... Sky/weather.........Mostly cloudy (55-65 percent) then becoming partly cloudy (30-40 percent). Areas of frost overnight. Chance of pcpn......0 percent. Min temperature.....Around 34. Max humidity........85 percent. Wind (20 ft)........Northwest winds 5 to 10 mph in the evening and overnight becoming light. Mixing height.......2400 ft AGL decreasing to 500 ft AGL after 3 am. Transport winds.....Northwest 12 to 20 mph decreasing to 7 to 9 mph in the late evening and overnight. Smoke dispersal.....Fair to good (23100-39800 knot-ft) decreasing to poor (3100-9500 knot-ft) in the late evening and overnight. Pcpn amount.........0.00 inches. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky cover.......MC MC MC PC PC PC PC PC PC PC MCR MCR Weather cov..... ARS ARS ARS ARS Weather type.... FST FST FST FST Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............47 46 46 43 41 40 39 38 37 36 35 35 RH..............58 58 58 65 70 73 76 79 82 82 85 85 20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW 20 FT wind spd..10 9 7 6 5 4 4 4 3 3 2 2 20 FT wind gust.18 16 14 13 12 12 11 11 9 8 7 6 Mix hgt (kft)...2.3 2.4 1.8 1.0 0.8 0.8 0.8 0.7 0.6 0.5 0.4 0.5 Transp wind dir.NW NW NW NW NW NW NW W W NW NW NW Transp wind spd.20 18 15 12 9 9 9 7 9 9 8 9 SDspl kt-ft/100040 38 23 10 6 7 6 4 5 4 3 4 $$ Forecaster...Jonathan Requested by...Cassandra DeMillo Type of request...WILDFIRE .TAG 2613845.6/DLH .DELDT 05/18/26 .FormatterVersion 2.0.0 .EMAIL christopher.bergquist@state.mn.us,cassandra.demillo@state.mn.us