FNUS75 KBYZ 201936 FWSBYZ Spot Forecast for Davis Coulee...BIA-Crow National Weather Service Billings MT 136 PM MDT Sun Sep 20 2026 Forecast is based on forecast start time of 1400 MDT on September 20. If conditions become unrepresentative...contact the National Weather Service. Please contact our office if you have questions or concerns with this forecast. .Flood Watch Remains In Effect Until 6 PM MDT Today... .DISCUSSION... Showers will continue through the afternoon at the site. A thunderstorm or two are possible as well (20 percent chance). The main concerns with showers and storms are heavy rainfall and gusty winds this afternoon. The chance for showers will linger into Monday morning but coverage will become isolated. Patchy fog may develop overnight with excellent relative humidity recoveries. Monday looks to be warmer with high temperatures in the 70s and slightly drier with minimum relative humidity values in the 40s to 50 percent. Looking through the week, conditions will become warmer and drier through Wednesday although minimum RH values will generally remain above 30 percent. There is currently a low chance for showers Wednesday morning. Matos .REST OF TODAY... Sky/weather.........Mostly cloudy. Rain showers likely and slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. CWR.................82 percent. Chance of lightning.15 percent. Max temperature.....60-64. Min humidity........80-84 percent. Wind (20 ft)........ Slope/valley.......Northwest winds 5 to 10 mph with gusts to 20 mph. Erratic wind gusts with thunderstorms in the afternoon. Ridgetop...........Northwest around 10 mph. Mixing height.......Increasing to 1900 ft AGL in the afternoon. Transport winds.....North around 11 mph. .TONIGHT... Sky/weather.........Mostly cloudy. Patchy fog in the evening, then areas of fog overnight. Chance of rain showers in the evening, then slight chance of rain showers overnight. CWR.................7 percent. Chance of lightning.8 percent. Min temperature.....45-49. Max humidity........98-100 percent. Wind (20 ft)........ Slope/valley.......North winds up to 5 mph in the evening becoming southeast and light. Ridgetop...........Becoming southeast around 5 mph. Mixing height.......Decreasing to 500 ft AGL overnight. Transport winds.....East around 5 mph. .MONDAY... Sky/weather.........Partly sunny then becoming sunny. Patchy fog in the morning. Slight chance of rain showers in the morning. CWR.................5 percent. Chance of lightning.0 percent. Max temperature.....71-75. Min humidity........48-52 percent. Wind (20 ft)........ Slope/valley.......Light southeast winds becoming 4 to 8 mph in the afternoon. Ridgetop...........Southeast up to 10 mph. Mixing height.......Increasing to 4500 ft AGL in the afternoon. Transport winds.....Southeast around 6 mph. .FORECAST DAYS 3 THROUGH 7... .TUESDAY... Mostly clear. Patchy fog. Lows in the mid 40s. Highs in the upper 70s. Southeast winds around 5 mph. .WEDNESDAY... Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the upper 70s. Light winds. .THURSDAY... Mostly clear. Lows in the upper 40s. Highs in the mid 80s. Light winds. .FRIDAY... Mostly clear. Lows in the lower 50s. Highs in the mid 80s. .SATURDAY... Not as warm. Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. $$ Forecaster...Matos Requested by...Trasia Type of request...WILDFIRE .TAG 2621871.10/BYZ .DELDT 09/20/26 .FormatterVersion 2.0.0 .EMAIL rhayner@blm.gov,jludikhuize@sheridancountywy.gov,dsciacca@mt.gov,anna_sammer@firenet.gov,mtbdc@firenet.gov