FNUS75 KMSO 202134 FWSMSO Spot Forecast for Sand Creek National Weather Service Missoula MT 334 PM MDT Sun Sep 20 2026 Forecast is based on forecast start time of 0600 MDT on September 21. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...High pressure will continue to bring warm conditions through the next couple days. Winds will be light and generally terrain driven, with southeast winds during the overnight/morning periods, becoming west-northwest in the afternoon. Occasional gusts of 10-15 mph will be felt across midslopes and ridgetops during the afternoon periods following inversion breaks. .MONDAY... * Sky/Weather.........Mostly sunny. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....Bottom: 64-69. Top: 58-63. * Min Humidity........Bottom: 26-31 percent. Top: 36-41 percent. * Wind (20 ft)........Southeast 3-6 mph becoming northwest 4-7 mph in the afternoon. Occasional gusts of 10-15 mph. * Mixing Height.......2500 ft agl increasing to 5000 ft agl in the afternoon. * Mixing Winds........Southwest 5 mph. * Precip Amount.......0.00 inches. .MONDAY NIGHT... * Sky/Weather.........Mostly clear. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Min Temperature.....Bottom: 32-37. Top: 36-41 * Max Humidity........Bottom: 85-90 percent. Top: 70-75 percent * Wind (20 ft)........North-northwest 5-7 mph shifting to the southeast 4-6 mph overnight. * Mixing Height.......500 ft agl. * Mixing Winds........Southeast 5 mph. * Precip Amount.......0.00 inches. .TUESDAY... * Sky/Weather.........Partly cloudy. * CWR (> 0.10 Inch)...0 percent. * Chance Lightning....0 percent. * Max Temperature.....Bottom: 65-70. Top: 58-63 * Min Humidity........Bottom: 26-31 percent. Top: 31-36 percent. * Wind (20 ft)........Southeast 3-6 mph shifting to the southwest 5-9 mph in the afternoon. Occasional gusts of 10-15 mph. * Mixing Height.......2500 ft agl increasing to 7500 ft agl. * Mixing Winds........Southwest 10 mph. * Precip Amount.......0.00 inches. $$ Forecaster...Lukinbeal Requested by...Richard Griffin aka Griff Type of request...WILDFIRE .TAG 2621956.3/MSO .DELDT 09/20/26 .FormatterVersion 2.0.0 .EMAIL 2026.sandcreek.plans@firenet.gov,richard.griffin@usda.gov,meghan_carosella@firenet.gov