553 FNUS73 KBIS 261056 FWSBIS Spot Forecast for Mt. Moriah WPA...USFWS National Weather Service Bismarck ND 556 AM CDT Mon May 26 2025 Forecast is based on ignition time of 0628 CDT on May 26. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Partly cloudy skies, light southerly winds, and mostly dry conditions are expected for today, although there is a 10 percent chance for an isolated shower to pass over the burn site this afternoon and early evening. Dry conditions are expected for tonight through Tuesday morning, after which there is a 40 percent chance of showers Tuesday afternoon. Lightning is generally not expected, though a rumble or two of thunder isn't completely out of the question Tuesday afternoon. Relative humidity is forecast to drop to as low as 31 percent this afternoon before recovering to around 80 percent tonight. Relative humidity values are then expected to remain in excess of 40 percent Tuesday. .REST OF TODAY... Sky/weather.........Partly cloudy. CWR.................0 percent. Chance of pcpn......10 percent. Chance of thunder...0 percent. Max temperature.....Around 69. Min humidity........31 percent. Wind (20 ft)........Light and variable becoming south 5 to 10 mph by mid-morning. Mixing height.......9600 ft AGL. Transport winds.....South 7 to 12 mph. Smoke dispersal.....Poor (2100 knot-ft) early in the morning increasing to good (96100 knot-ft) in the afternoon. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........16 19 12 3 2 2 19 26 27 24 22 23 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 10 10 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............49 51 54 57 63 65 66 67 68 69 68 68 RH..............66 63 60 57 44 40 36 33 32 31 33 33 20 FT wind dir..SW SW SW S S S S S S S S S 20 FT wind spd..4 4 4 5 6 7 8 9 10 10 10 10 20 FT wind gust.6 6 7 9 10 11 13 14 14 14 15 14 Mix hgt (kft)...0.3 0.3 0.3 0.8 4.8 8.3 9.0 9.6 9.2 8.9 8.9 9.1 Transp wind dir.SW SW SW SW S S S S S S S S Transp wind spd.9 9 8 7 9 10 12 12 12 12 12 12 Dispr kt-ft/1K..2 2 2 5 39 75 90 96 92 89 89 91 .TONIGHT... Sky/weather.........Partly cloudy becoming mostly clear. CWR.................0 percent. Chance of pcpn......10 percent early in the evening. Chance of thunder...0 percent. Min temperature.....Around 47. Max humidity........80 percent. Wind (20 ft)........South winds 5 to 10 mph. Mixing height.......300 ft AGL. Transport winds.....South 10 to 13 mph. Smoke dispersal.....Good (78100 knot-ft) early in the evening decreasing to poor (2700 knot-ft) late in the night. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........29 35 42 51 39 32 16 15 18 13 12 11 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).10 10 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............68 66 64 59 56 54 53 52 51 49 49 49 RH..............33 38 43 53 57 61 61 63 66 71 71 74 20 FT wind dir..S S S S S S S S S S S S 20 FT wind spd..10 10 9 9 8 8 8 8 7 7 6 5 20 FT wind gust.14 14 13 12 12 12 11 11 10 10 10 9 Mix hgt (kft)...7.8 4.3 0.6 0.5 0.7 0.4 0.3 0.3 0.3 0.3 0.3 0.3 Transp wind dir.S S S S S S S S S S S SW Transp wind spd.12 12 10 12 12 10 12 12 12 13 13 10 Dispr kt-ft/1K..78 43 6 5 7 4 3 3 3 3 3 3 .TUESDAY... Sky/weather.........Partly cloudy with a chance of rain showers in the afternoon. CWR.................5 percent. Chance of pcpn......40 percent. Chance of thunder...8 percent. Max temperature.....Around 67. Min humidity........43 percent. Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the south in the afternoon. Mixing height.......6800 ft AGL. Transport winds.....South 7 to 13 mph. Smoke dispersal.....Poor (2200 knot-ft) early in the morning increasing to good (74900 knot-ft) in the afternoon. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........10 17 18 5 4 28 30 31 33 34 36 34 Weather cov..... CHC CHC CHC CHC CHC Weather type.... RW RW RW RW RW Tstm cov........ CWR.............0 0 0 0 0 0 0 5 5 5 5 5 Chc of pcpn (%).10 10 10 10 10 10 10 40 40 40 40 40 Chc of thdr (%).0 0 0 0 0 0 00 10 10 10 10 10 Temp............48 49 53 56 62 64 65 65 65 66 66 66 RH..............77 80 71 69 56 50 47 45 43 43 43 44 20 FT wind dir..SW SW SW S SE SE SE SE S S S S 20 FT wind spd..6 6 6 7 8 9 10 11 11 11 10 10 20 FT wind gust.9 9 10 11 12 13 14 15 15 15 14 14 Mix hgt (kft)...0.3 0.3 0.9 1.9 4.6 6.2 6.5 6.8 6.6 6.5 6.3 5.3 Transp wind dir.S SW SW S S S S S S S S S Transp wind spd.9 8 7 8 13 13 13 13 13 12 12 10 Dispr kt-ft/1K..2 2 5 13 51 68 72 75 72 68 63 49 $$ Forecaster...TELKEN Requested by...Jeff Dion Type of request...PRESCRIBED .TAG 2514638.1/BIS .DELDT 05/26/25 .FormatterVersion 2.0.0 .EMAIL jeff_dion@fws.gov