FNUS73 KUNR 011921 FWSUNR Spot Forecast for Antihorse Alpha...USFS National Weather Service Rapid City SD 1221 PM MST Sun Nov 1 2026 Forecast is based on ignition time of 1400 MST on November 01. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Expect low clouds and cloudy conditions through the rest of the day as a weather system moves into the region later this evening. Winds will continue to be out of the southeast with gusts of 25 to 30 mph possible this afternoon and evening. Minimum relative humidity values are expected to increase throughout the afternoon, with excellent RH recovery (>90 percent) expected tonight and Monday night. Wetting rain chances increase substantially as widespread rain moves into the region this evening and into the overnight hours. Rain is expected to last through early Tuesday morning. Strong winds will accompany this system, with northerly to northwesterly winds gusting to 30-40 mph over the spot location during the day Monday. .REST OF TODAY... Sky/weather.........Cloudy (85-95 percent). Chance of rain late in the afternoon, then rain likely late in the afternoon. Max temperature.....Around 56. Min humidity........64 percent. Wind (20 ft)........Southeast winds around 15 mph with gusts to around 31 mph. CWR.................75 percent. Mixing height.......2100 to 2600 ft agl. Transport winds.....Southeast around 30 mph. Smoke dispersal.....Good. TIME (MST) 2PM 3PM 4PM 5PM Sky (%).........90 89 92 93 Weather cov.....CHC CHC CHC LKY Weather type....RN RN RN RN Tstm cov........ CWR.............70 70 70 70 Temp............52 51 49 47 RH..............77 80 89 100 20 FT wind dir..SE SE SE SE 20 FT wind spd..15 15 15 15 20 FT wind gust.29 31 29 29 Mix hgt (kft)...2.6 1.7 1.5 1.2 Transp wind dir.SE SE SE SE Transp wind spd.29 29 29 29 .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Rain likely in the evening, then rain late in the evening. Min temperature.....Around 41. Max humidity........100 percent. Wind (20 ft)........Southeast winds 5 to 15 mph with gusts to around 26 mph shifting to the northeast overnight, then shifting to the north with gusts to around 30 mph after 3 am. CWR.................75 percent. Mixing height.......500 to 1000 ft agl. Transport winds.....Southeast 20 to 30 mph shifting to the south around 15 mph late in the evening, then shifting to the northwest overnight increasing to around 25 mph early in the morning. Smoke dispersal.....Poor. TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........93 94 98 96 95 96 90 96 97 96 94 92 Weather cov.....LKY LKY LKY LKY LKY DEF DEF DEF DEF DEF DEF DEF Weather type....RN RN RN RN RN RN RN RN RN RN RN RN Tstm cov........ CWR.............70 70 70 70 70 70 70 70 70 70 70 70 Temp............46 46 47 47 47 48 47 47 46 46 45 45 RH..............100 100 96 96 96 93 96 96 100 96 100 93 20 FT wind dir..SE SE SE SE SE SE SE NE NE N N N 20 FT wind spd..14 13 12 9 6 5 5 6 8 10 13 14 20 FT wind gust.26 25 22 18 15 12 10 10 12 15 18 30 Mix hgt (kft)...1.0 1.1 0.8 0.7 0.6 0.6 0.6 0.6 0.5 0.6 0.7 0.7 Transp wind dir.SE SE SE SE SE SE S W NW NW NW NW Transp wind spd.26 23 21 17 15 13 12 10 12 14 17 22 .MONDAY... Sky/weather.........Cloudy (90-100 percent). Rain, then rain likely late inthe afternoon. Max temperature.....Around 42. Min humidity........93 percent. Wind (20 ft)........North winds 20 to 25 mph. Gusts up to 33 mph increasing to 37 mph late in the afternoon. CWR.................70 percent. Mixing height.......1900 to 2400 ft agl. Transport winds.....Northwest 25 to 30 mph becoming north and increasing to 45 to 50 mph. Smoke dispersal.....Good. TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........92 91 90 90 92 90 91 92 92 93 90 95 Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF LKY Weather type....RN RN RN RN RN RN RN RN RN RN RN RN Tstm cov........ CWR.............70 70 70 70 70 70 70 70 70 70 70 70 Temp............42 41 41 41 40 41 39 39 38 37 36 35 RH..............96 96 96 96 96 93 96 96 96 100 100 100 20 FT wind dir..N N N N N N N N N N N N 20 FT wind spd..16 20 21 20 17 17 18 20 20 21 22 24 20 FT wind gust.24 30 31 30 26 26 28 30 30 31 33 37 Mix hgt (kft)...1.0 1.2 1.4 1.5 1.6 1.8 2.0 2.2 2.4 2.3 2.1 2.0 Transp wind dir.NW NW N N N N N N N N N N Transp wind spd.24 28 30 35 38 41 44 45 46 47 47 47 $$ Forecaster...CS Requested by...Madison Tolley Type of request...PRESCRIBED .TAG 2624590.9/UNR .DELDT 11/01/26 .FormatterVersion 2.0.0 .EMAIL brice.stanton@usda.gov,madison.tolley@usda.gov,todd.hoover@usda.gov