757 FNUS73 KBIS 101412 FWSBIS Spot Forecast for Belcourt Fires...NDDES Watch Center National Weather Service Bismarck ND 912 AM CDT Sat May 10 2025 Forecast is based on forecast start time of 0800 CDT on May 10. If conditions become unrepresentative, contact the National Weather Service. ...RED FLAG WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... .DISCUSSION... Today will be mostly sunny and breezy, with south winds around 20 mph gusting to 31 mph. Minimum relative humidities will drop to around 20 percent in the afternoon. High temperatures will warm to the mid 80s. An isolated shower or thunderstorm is possible later this afternoon across the fire area. This evening, a few isolated showers and thunderstorms are possible until around or shortly after sunset. Tonight, Minimum relative humidities will recover to around 50 percent, with a low temperature of 60. Winds will diminish slightly tonight, although may remain around 15 mph with gusts over 20 mph. Sunday will be warm and very dry. Look for high temperatures near 90 degrees with afternoon humidity values in the mid teens. A steady south wind will also continue for Sunday, with gusts over 20 mph possible. .REST OF TODAY... Sky/weather.........Sunny to partly cloudy. Isolated showers and thunderstorms late afternoon. CWR.................1 percent. Chance of pcpn......20 percent. Chance of thunder...20 percent. Max temperature.....Around 83. Min humidity........20 percent. Wind (20 ft)........South winds 15 to 25 mph with gusts to around 31, especially in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......5100 ft AGL. Transport winds.....South 25 to 35 mph. Smoke dispersal.....Poor (27900 knot-ft) early in the morning increasing to very good (122900 knot-ft) in the afternoon. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........43 31 16 13 13 10 7 6 7 14 Weather cov.....ISO ISO Weather type....RW RW Tstm cov........ISO ISO CWR.............0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).20 20 10 0 0 0 0 0 0 10 Chc of thdr (%).20 20 0 0 0 0 0 0 0 10 Temp............47 51 55 59 64 69 73 76 79 81 RH..............44 37 34 30 27 23 21 22 21 21 20 FT wind dir..S S S S S S S S S S 20 FT wind spd..18 12 18 20 22 21 20 19 19 18 20 FT wind gust.26 18 26 28 30 31 30 28 26 26 Mix hgt (kft)...1.2 1.4 2.0 2.4 2.8 3.0 3.3 3.7 4.3 5.1 Transp wind dir.S S S S S S S S S SW Transp wind spd.28 30 32 33 35 31 30 29 29 28 Dispr kt-ft/1K..28 36 56 70 84 80 86 93 107 123 .TONIGHT... Sky/weather.........Partly cloudy to partly clear. Isolated showers and thunderstorms in the evening. CWR.................5 percent. Chance of pcpn......20 percent. Chance of thunder...20 percent. Min temperature.....Around 61. Max humidity........46 percent. Wind (20 ft)........South winds 12 to 20 mph with gusts to around 24 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......400 ft AGL. Transport winds.....Southwest 18 to 26 mph decreasing to 15 to 23 mph in the late evening and overnight. Smoke dispersal.....Very good (133200 knot-ft) early in the evening decreasing to poor (7500 knot-ft) at night. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........22 33 42 40 33 32 25 39 54 57 61 59 Weather cov.....ISO ISO ISO Weather type....RW RW RW Tstm cov........ISO ISO ISO CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).20 20 20 10 10 0 0 0 0 0 0 0 Chc of thdr (%).20 20 20 10 0 0 0 0 0 0 0 0 Temp............82 81 78 73 70 69 67 67 65 65 64 63 RH..............22 24 28 35 38 39 43 43 45 45 46 46 20 FT wind dir..SW S S S S S S SW SW SW SW SW 20 FT wind spd..16 14 13 13 12 13 13 13 13 13 12 12 20 FT wind gust.24 20 20 20 20 20 20 20 20 20 20 20 Mix hgt (kft)...5.8 3.2 0.8 0.6 0.5 0.5 0.6 0.6 0.5 0.5 0.5 0.4 Transp wind dir.SW SW S S S S S S SW SW SW SW Transp wind spd.26 21 18 15 20 22 23 23 21 21 20 20 Dispr kt-ft/1K..133 59 14 8 9 9 11 11 9 9 9 8 .SUNDAY... Sky/weather.........Mostly sunny to partly cloudy. CWR.................0 percent. Chance of pcpn......0 percent. Chance of thunder...1 percent. Max temperature.....Around 92. Min humidity........15 percent. Wind (20 ft)........Southwest winds 12 to 18 mph with gusts to around 24 mph. Mixing height.......6600 ft AGL. Transport winds.....Southwest 15 to 25 mph. Smoke dispersal.....Poor (5500 knot-ft) early in the morning increasing to very good (112900 knot-ft) late in the morning increasing to excellent (150900 knot-ft) in the afternoon. TIME (CDT) 6 AM 9 AM NOON 3 PM Sky (%).........58 39 24 26 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............63 70 83 90 RH..............46 34 22 16 20 FT wind......SW 12G18 SW 13G19 S 14G20 S 15G22 Mix hgt (ft)....400 800 2000 5200 Transport wind..SW 17 SW 20 SW 18 SW 25 Dispr kt-ft/1K..6 13 31 113 $$ Forecaster...ANGLIN Requested by...Watch Center Type of request...WILDFIRE .TAG 2513650.0/BIS .DELDT 05/10/25 .FormatterVersion 2.0.0 .EMAIL watchcenter@nd.gov