650 FNUS73 KBIS 260836 FWSBIS Spot Forecast for G-12...USFWS National Weather Service Bismarck ND 336 AM CDT Mon May 26 2025 Forecast is based on ignition time of 0900 CDT on May 26. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Light southeasterly winds at around 10 to 15 mph are expected today before becoming southerly tonight through Tuesday. Partly cloudy skies and mostly dry conditions are also expected through Tuesday morning followed by a 40 percent chance of showers Tuesday afternoon. Wetting rains are unlikely. Minimum relative humidity values this afternoon will drop down to around 37 percent before recovering to around 96 percent tonight. Minimum relative humidity values are then forecast to remain elevated in excess of 50 percent Tuesday afternoon. .TODAY... Sky/weather.........Partly cloudy. CWR.................0 percent. Chance of pcpn......10 percent. Chance of thunder...5 percent. Max temperature.....Around 69. Min humidity........37 percent. Wind (20 ft)........Southeast winds 5 mph increasing to 10 to 15 mph in the afternoon. Mixing height.......7900 ft AGL. Transport winds.....South 7 to 17 mph. Smoke dispersal.....Poor (4700 knot-ft) early in the morning increasing to very good (102300 knot-ft) in the afternoon. TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........4 8 12 33 42 29 36 36 36 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 10 10 10 10 Chc of thdr (%).0 0 0 0 0 0 0 5 5 Temp............55 62 65 66 67 68 68 68 68 RH..............72 58 48 45 40 40 39 37 39 20 FT wind dir..SE SE SE SE SE SE SE SE SE 20 FT wind spd..5 7 9 10 11 12 13 15 13 20 FT wind gust.8 10 12 14 17 17 18 19 17 Mix hgt (kft)...0.8 2.5 4.7 7.6 7.9 7.6 7.5 7.0 7.2 Transp wind dir.SE S S S S S S S S Transp wind spd.7 12 13 15 15 14 15 17 15 Dispr kt-ft/1K..5 25 51 98 102 91 90 84 86 .TONIGHT... Sky/weather.........Partly cloudy. CWR.................0 percent. Chance of pcpn......10 percent. Chance of thunder...5 percent. Min temperature.....Around 44. Max humidity........96 percent. Wind (20 ft)........Southeast winds 5 to 10 mph. Mixing height.......300 ft AGL. Transport winds.....South 9 to 14 mph. Smoke dispersal.....Good (74300 knot-ft) early in the evening decreasing to poor (2800 knot-ft) late in the night. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........50 56 44 20 13 13 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Chc of pcpn (%).10 10 10 0 0 0 Chc of thdr (%).5 5 0 0 0 0 Temp............69 64 55 51 48 46 RH..............37 50 69 77 86 93 20 ft wind......S 10 S 9 S 6 S 5 S 5 S 5 20 ft wind gust.15 12 11 9 9 8 Mix hgt (ft)....6200 900 400 400 400 400 Transport wind..S 14 S 12 SE 12 SE 10 S 12 S 9 Dispr kt-ft/1K..74 9 4 4 4 3 .TUESDAY... Sky/weather.........Partly cloudy with a chance of rain showers in the afternoon. CWR.................7 percent. Chance of pcpn......40 percent. Chance of thunder...7 percent. Max temperature.....Around 67. Min humidity........53 percent. Wind (20 ft)........South winds 6 to 12 mph. Mixing height.......4700 ft AGL. Transport winds.....South 8 to 15 mph. Smoke dispersal.....Poor (2400 knot-ft) early in the morning increasing to good (61200 knot-ft) in the afternoon. TIME (CDT) 6 AM 10 AM 2 PM Sky (%).........22 36 47 Weather cov..... CHANCE Weather type....NONE NONE RNSHWR Tstm cov........ CWR.............0 0 10 Chc of pcpn (%).10 10 40 Chc of thdr (%).0 10 10 Temp............45 59 64 RH..............96 69 54 20 FT wind......S 6G9 S 8G12 S 12G16 Mix hgt (ft)....300 2900 4300 Transport wind..S 8 SE 13 S 14 Dispr kt-ft/1K..2 31 54 $$ Forecaster...TELKEN Requested by...D. Mireles Type of request...PRESCRIBED .TAG 2514678.0/BIS .DELDT 05/26/25 .FormatterVersion 2.0.0 .EMAIL Dustin_mireles@fws.gov