768 FNUS73 KBIS 051009 FWSBIS Spot Forecast for G-50 North...USFWS National Weather Service Bismarck ND 509 AM CDT Fri Jun 5 2026 Forecast is based on ignition time of 1100 CDT on June 05. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Light and variable winds early this morning are expected to be southwest to west 5 to 10 mph by ignition time, then becoming west 5 to 10 mph this afternoon with gusts up to 15 mph. Scattered hit and miss showers are possible this morning, with an isolated shower or thunderstorm this afternoon. Minimum humidity this afternoon is expected to be around 35 percent with good smoke dispersal. Winds will become southeast tonight. Southeast winds will increase on Saturday becoming gusty 15 to 25 mph with gusts to 35 mph. Precipitation is not anticipated tonight or Saturday. .REST OF TODAY... Sky/weather.........Partly to mostly cloudy with scattered showers and isolated thunderstorms. CWR.................1 percent. Chance of pcpn......30 percent. Chance of thunder...20 percent. Max temperature.....Around 81. Min humidity........35 percent. Wind (20 ft)........Light winds becoming southwest to west 5 to 10 mph by ignition time. Winds are expected to be west 5 to 10 mph in the afternoon with gusts up to 15 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......5700 ft AGL. Transport winds.....Southwest 6 to 13 mph. Smoke dispersal.....Poor (12400 knot-ft) early in the morning increasing to good (62900 knot-ft) in the afternoon. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........44 35 29 30 28 35 25 Weather cov.....SCH SCH Weather type....RW RW Tstm cov........SCH SCH CWR.............10 10 10 10 10 10 10 Chc of pcpn (%).20 20 10 10 10 10 10 Chc of thdr (%).20 20 10 10 10 10 10 Temp............70 73 75 77 78 79 80 RH..............57 51 48 43 42 39 38 20 FT wind dir..SW SW SW W W W W 20 FT wind spd..4 4 5 6 7 8 9 20 FT wind gust.7 9 10 11 12 13 12 Mix hgt (kft)...2.5 3.6 4.5 4.9 5.0 5.7 5.7 Transp wind dir.SW SW SW W W W W Transp wind spd.6 7 8 8 9 12 13 Dispr kt-ft/1K..12 21 31 34 40 57 63 .TONIGHT... Sky/weather.........Mostly clear. CWR.................6 percent. Chance of pcpn......10 percent. Chance of thunder...6 percent. Min temperature.....Around 54. Max humidity........80 percent. Wind (20 ft)........West winds around 5 mph early in the evening becoming light, then becoming southeast 5 to 7 mph in the late evening and overnight. Mixing height.......400 ft AGL. Transport winds.....West around 9 mph shifting to the southeast 7 to 13 mph early in the evening. Smoke dispersal.....Fair (47100 knot-ft) early in the evening decreasing to poor (3200 knot-ft) late in the night. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........18 20 21 13 14 27 21 25 12 16 19 15 Weather cov..... Weather type.... Tstm cov........ CWR.............10 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).10 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).10 0 0 0 0 0 0 0 0 0 0 0 Temp............80 80 78 73 67 64 63 61 59 58 57 56 RH..............36 35 39 48 56 65 67 70 75 77 77 80 20 FT wind dir..W W S SE SE SE SE SE S S S SE 20 FT wind spd..5 5 4 4 5 6 6 7 6 6 5 5 20 FT wind gust.11 9 8 7 9 10 11 12 11 11 10 9 Mix hgt (kft)...5.9 4.5 1.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.W W S SE SE SE SE S S S S S Transp wind spd.9 9 7 8 9 10 12 12 13 13 12 12 Dispr kt-ft/1K..47 36 6 4 3 3 4 4 4 4 4 4 .SATURDAY... Sky/weather.........Mostly sunny. CWR.................2 percent. Chance of pcpn......10 percent. Chance of thunder...4 percent. Max temperature.....Around 91. Min humidity........28 percent. Wind (20 ft)........Southeast winds 5 to 15 mph with gusts to around 20 mph increasing to 15 to 25 mph with gusts to around 35 mph in the afternoon. Mixing height.......5800 ft AGL. Transport winds.....South 12 to 20 mph increasing to 22 to 26 mph late in the afternoon. Smoke dispersal.....Poor (3800 knot-ft) early in the morning increasing to good (98100 knot-ft) in the afternoon increasing to very good (114400 knot-ft) late in the afternoon. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........21 16 3 51 Weather cov..... Weather type....NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 Chc of pcpn (%).0 0 0 0 Chc of thdr (%).0 0 0 0 Temp............56 70 84 90 RH..............80 55 36 28 20 FT wind......SE 5G9 SE 6G11 S 13G20 SE 19G30 Mix hgt (ft)....400 1000 3700 5400 Transport wind..S 12 S 13 S 18 S 24 Dispr kt-ft/1K..4 11 60 114 $$ Forecaster...HAMILTON Requested by...D. Marsden Type of request...PRESCRIBED .TAG 2615008.0/BIS .DELDT 06/05/26 .FormatterVersion 2.0.0 .EMAIL dominic_marsden@fws.gov