FNUS76 KEKA 181344 FWSEKA Spot Forecast for Hayward Flat Air Curtain Burning...US Forest Service National Weather Service Eureka CA 644 AM PDT Mon May 18 2026 If conditions become unrepresentative...contact the National Weather Service. If you have questions or concerns regarding this forecast, please contact our office at (707) 443-6484 Please do not respond directly if you have received this in an email. .DISCUSSION...Temperatures are expected to warm 5 to 10 degrees over Sunday highs climbing into the middle 70s. Conditions will remain dry with RH dropping to around 15 percent. Winds will be notably lighter than yesterday, although at times this morning the light east winds may combine with the diurnal upslope winds. Tonight winds will be fairly light out of the east, although this may be diminished by the downslope winds. Tuesday highs are expected to warm into the 80s, although RH and winds will be similar to Monday. .REST OF TODAY... Sky/weather.........Sunny. CWR.................0 percent. Max temperature.....Around 75. Min humidity........15 percent. Wind (20 ft)........Northeast/Upslope 3 to 6 mph becoming east 4 to 8 mph. Mixing height.......200 to 400 ft AGL increasing to 7000-8000 ft AGL. Transport winds.....Northeast 10 to 12 mph. TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........14 14 14 3 3 3 1 1 1 2 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 Temp............41 48 54 62 66 70 74 74 75 75 RH..............75 64 46 38 29 21 17 16 15 15 20 FT wind dir..NE NE NE NE NE NE E E E E 20 FT wind spd..3 4 5 4 4 3 3 3 3 3 20 FT wind gust.7 7 7 8 8 8 9 9 9 9 Mix hgt (kft)...0.3 1.7 2.1 4.6 5.9 6.4 6.8 7.3 7.4 7.1 Transp wind dir.NE NE NE NE NE NE NE NE NE N Transp wind spd.12 12 12 12 12 12 12 12 12 10 .TONIGHT... Sky/weather.........Mostly clear. CWR.................0 percent. Min temperature.....Around 45. Max humidity........60 to 70 percent. Wind (20 ft)........East/downslope 2 to 4 mph...becoming north 3 to 5 mph after midnight. Mixing height.......7500 ft AGL decreasing to 300-500 ft AGL early in the evening. Transport winds.....North 6 to 10 mph. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........2 2 4 4 4 6 6 6 8 8 8 10 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............73 70 64 61 56 53 50 48 47 46 45 44 RH..............16 21 25 30 36 43 48 54 62 67 71 77 20 FT wind dir..NE NE N N N N N N N N N N 20 FT wind spd..3 3 2 2 2 5 5 5 3 3 3 2 20 FT wind gust.9 9 8 8 8 9 9 9 6 6 6 5 Mix hgt (kft)...7.4 6.0 5.5 4.5 3.5 2.4 1.2 0.6 0.4 0.4 0.4 0.3 Transp wind dir.N N N N N N N N N N N NE Transp wind spd.10 10 10 10 10 10 10 10 10 10 10 6 .TUESDAY... Sky/weather.........Sunny. CWR.................0 percent. Max temperature.....80 to 85. Min humidity........15 to 20 percent. Wind (20 ft)........Northeast/upslope 2 to 5 mph becoming southeast 3 to 6 mph. Mixing height.......100-200 ft AGL increasing to 5500-6500 ft AGL late in the morning. Transport winds.....North around 6 mph. TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........10 10 7 7 7 2 2 2 3 3 3 5 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............47 49 53 57 63 68 72 76 80 82 83 83 RH..............58 56 50 42 35 28 24 21 19 18 17 17 20 FT wind dir..N N N NE NE NE E E SE SE SE S 20 FT wind spd..2 2 3 4 4 3 3 3 2 2 2 2 20 FT wind gust.5 5 3 3 3 6 6 6 7 7 7 7 Mix hgt (kft)...0.3 0.3 1.1 1.9 2.1 2.9 3.9 4.6 5.1 6.1 6.1 5.1 Transp wind dir.NE NE NE NE NE N N N N N N W Transp wind spd.6 6 6 6 6 7 7 7 7 7 7 6 $$ Forecaster...Kidwell Requested by...Ryan Regelin Type of request...PRESCRIBED .TAG 2613724.2/EKA .DELDT 05/18/26 .EMAIL ryan.regelin@usda.gpv