FNUS75 KBYZ 201548 FWSBYZ Spot Forecast for N Bridgers Unit 13...USFS National Weather Service Billings MT 948 AM MDT Fri Mar 20 2026 Forecast is based on ignition time of 0900 MDT on March 23. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION... With the cold front still expected to move through Saturday afternoon, there is about a 45% chance for a wetting rain. Warm and dry conditions will prevail Monday and Tuesday, with a very low CWR for Tuesday. Ridgetop winds will begin to increase Tuesday evening to 45-60 mph. The chances for strong winds will increase Wednesday with about a 60% chance for gusts to 60 mph. Although there is still uncertainty in timing, there are signals for a potential system and frontal passage moving through sometime late Wednesday into early Thursday. .MONDAY... Sky/weather.........Mostly cloudy. CWR.................0 percent. Chance of lightning.1 percent. Max temperature.....50-54. Min humidity........20-24 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming west 5 to 7 mph with gusts to around 23 mph in the afternoon. Ridgetop...........West around 20 mph. Mixing height.......Increasing to 3500 ft AGL in the early afternoon. Transport winds.....Southwest 7 to 15 mph shifting to the west around 17 mph late in the afternoon. TIME (MDT) 9AM 12P 3PM Sky (%).........71 71 79 Weather cov..... Weather type.... Tstm cov........ Chc of ltng (%).0 0 0 Temp............39 48 52 RH..............35 26 22 20 FT wind......S 5G12 W 7G16 W 8G20 .MONDAY NIGHT... Sky/weather.........Mostly cloudy. CWR.................0 percent. Chance of lightning.3 percent. Min temperature.....34-38. Max humidity........53-57 percent. Wind (20 ft)........ Slope/valley.......West winds 7 to 10 mph with gusts to around 20 mph early in the evening becoming light. Ridgetop...........West 15 to 20 mph. Mixing height.......Decreasing to 300 ft AGL overnight. Transport winds.....Southwest 10 to 15 mph. TIME (MDT) 6PM 9 PM MID 3 AM Sky (%).........72 71 76 69 Weather cov..... Weather type.... Tstm cov........ Chc of ltng (%).0 0 0 0 Temp............50 44 41 39 RH..............24 40 48 54 20 FT wind......W 8G20 W 7G16 SW 6G13 S 6G13 .TUESDAY... Sky/weather.........Mostly cloudy. Slight chance of rain showers in the afternoon. CWR.................5 percent. Chance of lightning.2 percent. Max temperature.....55-59. Min humidity........28-32 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming southwest up to 10 mph with gusts to around 26 mph in the late morning and afternoon. Ridgetop...........Southwest 20 to 30 mph. Mixing height.......Increasing to 7000 ft AGL in the afternoon. Transport winds.....Southwest at 10 to 20 mph in the morning increasing to 30 to 40 mph in the afternoon. TIME (MDT) 6 AM 9 AM NOON 3 PM Sky (%).........69 70 68 77 Weather cov..... S CHC S CHC Weather type....NONE NONE RNSHWR RNSHWR Tstm cov........ Chc of ltng (%).0 0 0 0 Temp............38 42 53 57 RH..............54 51 33 30 20 FT wind......S 4G13 S 5G16 SW 6G19 SW 10G26 $$ Forecaster...Stetzer Requested by...Nick Nelson Type of request...PRESCRIBED .TAG 2606788.0/BYZ .DELDT 03/20/26 .FormatterVersion 2.0.0 .EMAIL nicholas.nelson@usda.gov