


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
997 FNUS55 KGJT 190907 FWFGJT Fire Weather Planning Forecast for Wrn Colorado and Ern Utah National Weather Service Grand Junction CO 307 AM MDT Fri Sep 19 2025 .DISCUSSION...Moisture is beginning to move into the region tonight. Moisture will continue pushing northward through the weekend. So, shower and thunderstorm chances return today, primarily south of I-70. The highest precipitation chances shift to north of I-70 by Saturday night. Strong wind gusts are possible around any showers or thunderstorms. Drier air will return next week, but critical fire weather conditions are not expected. ...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS OR THUNDERSTORMS... ...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL... COZ200-200115- Little Snake Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (70-80%). Chc of lightning....0 percent. Max temperature.....69-79 F near 6000 feet 59-69 F near 8000 feet. Min humidity........11-21%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......3000 ft AGL until 1200, then 9500 ft AGL. Transport Winds.....South 5 mph until 1200, then southwest 10 to 15 mph. Smoke dispersal.....Poor until 1200, then good. .TONIGHT... Sky/weather.........Near 6000 feet, mostly cloudy (70-80%) until 2400, then partly cloudy (50-60%). Near 8000 feet, mostly cloudy (60-70%). Chc of lightning....0 percent. Min temperature.....46-56 F. Max humidity........54-64% near 6000 feet 46-56% near 8000 feet. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph shifting to the northwest 10 to 15 mph after midnight. Mixing Height.......6500 ft AGL until 1900, then 2000 ft AGL. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....69-79 F near 6000 feet 59-69 F near 8000 feet. Min humidity........20-30% near 6000 feet 26-36% near 8000 feet. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......2000 ft AGL until 1000, then 10000 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44-54. Highs 71-81. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 44-54. Highs 64-74. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 38-48. Highs 61-71. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 37-47. Highs 68-78. .THURSDAY...Mostly clear. Lows 41-51. Highs 70-80. $$ COZ201-200115- Routt Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly cloudy (60-70%). Chc of lightning....0 percent. Max temperature.....60-70 F. Min humidity........15-25%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......1500 ft AGL until 1000. 9000 ft AGL after 1100. Transport Winds.....South 5 mph until 1200, then west. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Mostly cloudy (60-70%). Chc of lightning....0 percent. Min temperature.....41-51 F. Max humidity........57-67%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....Southwest 10 to 15 mph increasing to west 15 to 20 mph after midnight. Mixing Height.......5000 ft AGL until 1900, then 2000 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (50-60%). Isolated showers until 1200, then scattered showers and thunderstorms. Chc of lightning....30 percent. Max temperature.....58-68 F. Min humidity........33-43%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................30 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......2000 ft AGL until 1000, then 7500 ft AGL. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 39-49. Highs 60-70. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 40-50. Highs 55-65. Winds less than 15 mph. .TUESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 34-44. Highs 52-62. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 33-43. Highs 60-70. .THURSDAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 61-71. $$ COZ202-200115- White River Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (70-80%). Chc of lightning....0 percent. Max temperature.....69-79 F near 6000 feet 59-69 F near 8000 feet. Min humidity........12-22%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 10 to 15 mph. Mixing Height.......1500 ft AGL until 1100, then 9500 ft AGL. Transport Winds.....South 5 mph until 1200, then southwest. Smoke dispersal.....Poor until 1200. Good after 1500. .TONIGHT... Sky/weather.........Near 6000 feet, mostly cloudy (70-80%) until 2400, then partly cloudy (50-60%). Near 8000 feet, mostly cloudy (60-70%), isolated showers until 2400. Chc of lightning....0 percent. Min temperature.....44-54 F. Max humidity........57-67% near 6000 feet 51-61% near 8000 feet. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......6000 ft AGL until 1900, then 1500 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (30-40%). Near 6000 feet, scattered showers and isolated thunderstorms after 1200. Near 8000 feet, isolated showers until 1200, then scattered showers and thunderstorms. Chc of lightning....20 percent. Max temperature.....65-75 F near 6000 feet 57-67 F near 8000 feet. Min humidity........25-35% near 6000 feet 37-47% near 8000 feet. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................20 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......1500 ft AGL until 1000. 8500 ft AGL after 1100. Transport Winds.....Southwest 5 mph until 1200, then 10 to 15 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44-54. Highs 71-81. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 44-54. Highs 65-75. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 39-49. Highs 62-72. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 37-47. Highs 68-78. .THURSDAY...Mostly clear. Isolated showers and thunderstorms. Lows 41-51. Highs 70-80. $$ COZ203-200115- Lower Colorado River- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....70-80 F near 6000 feet 62-72 F near 8000 feet. Min humidity........13-23%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......3000 ft AGL until 1200, then 9500 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Smoke dispersal.....Poor until 1200, then good. .TONIGHT... Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly cloudy (50-60%). Isolated showers and thunderstorms. Chc of lightning....10 percent. Min temperature.....48-58 F near 6000 feet 42-52 F near 8000 feet. Max humidity........55-65%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......6000 ft AGL until 1900, then 2500 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (30-40%). Isolated showers and thunderstorms until 1200, then scattered showers and thunderstorms. Chc of lightning....30 percent. Max temperature.....69-79 F near 6000 feet 62-72 F near 8000 feet. Min humidity........27-37%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................20 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......3500 ft AGL until 1100, then 8000 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 48-58. Highs 72-82. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 50-60. Highs 68-78. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44-54. Highs 67-77. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 43-53. Highs 71-81. .THURSDAY...Mostly clear. Isolated showers and thunderstorms. Lows 47-57. Highs 71-81. $$ COZ205-200115- Colorado River Headwaters- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (70-80%). Chc of lightning....0 percent. Max temperature.....64-74 F. Min humidity........13-23%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Mixing Height.......3000 ft AGL until 1100, then 9000 ft AGL. Transport Winds.....West 5 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms until 2400. Isolated showers. Chc of lightning....10 percent. Min temperature.....40-50 F. Max humidity........58-73%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 5 to 10 mph increasing to 15 to 20 mph after midnight. Mixing Height.......5500 ft AGL until 1900, then 2500 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly cloudy (60-70%). Isolated showers and thunderstorms until 1200, then scattered showers and thunderstorms. Chc of lightning....40 percent. Max temperature.....62-72 F. Min humidity........32-42%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................30 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......2500 ft AGL until 1000, then 6500 ft AGL. Transport Winds.....West 5 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 39-49. Highs 62-72. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 41-51. Highs 57-67. Winds less than 15 mph. .TUESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 36-46. Highs 56-66. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers. Lows 34-44. Highs 62-72. .THURSDAY...Mostly clear. Isolated showers and thunderstorms. Lows 38-48. Highs 62-72. $$ COZ290-200115- Paradox Valley Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (70-80%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....70-80 F near 6000 feet 61-71 F near 8000 feet. Min humidity........16-26%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......2500 ft AGL until 1100, then 8500 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor until 1200, then good. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Near 6000 feet, isolated showers and thunderstorms. Near 8000 feet, scattered showers and thunderstorms until 2400, then isolated showers and thunderstorms. Chc of lightning....20 percent. Min temperature.....43-53 F near 6000 feet 41-51 F near 8000 feet. Max humidity........62-77% near 6000 feet 77-92% near 8000 feet. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......6000 ft AGL until 1900, then 2000 ft AGL. Transport Winds.....Southeast 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Near 6000 feet, isolated showers and thunderstorms until 1200, then scattered showers and thunderstorms. Near 8000 feet, isolated thunderstorms until 1200. Scattered showers. Scattered thunderstorms after 1200. Chc of lightning....30 percent. Max temperature.....70-80 F near 6000 feet 60-70 F near 8000 feet. Min humidity........24-34% near 6000 feet 32-42% near 8000 feet. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................20 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......2000 ft AGL until 1000, then 8500 ft AGL. Transport Winds.....South 5 mph until 1200, then west. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Lows 48-58. Highs 74-84. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and isolated thunderstorms near 6000 feet and scattered showers and thunderstorms near 8000 feet. Lows 50-60. Highs 68-78. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 45-55. Highs 70-80. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers near 8000 feet. Lows 45-55. Highs 73-83. .THURSDAY...Mostly clear. Isolated showers and thunderstorms. Lows 48-58. Highs 73-83. $$ COZ291-200115- Northern San Juan Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (70-80%). Isolated showers and thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....59-69 F. Min humidity........19-29%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......2500 ft AGL until 1000, then 7000 ft AGL. Transport Winds.....Southwest 5 to 10 mph. Smoke dispersal.....Poor until 0900, then fair until 1200, then good until 1500, then fair. .TONIGHT... Sky/weather.........Partly cloudy (50-60%). Scattered showers and thunderstorms until 2400, isolated showers and thunderstorms after 2400. Chc of lightning....30 percent. Min temperature.....40-50 F. Max humidity........74-89%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................20 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......5000 ft AGL until 1900, then 2500 ft AGL. Transport Winds.....South 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms until 1200. Scattered showers. Scattered thunderstorms after 1200. Chc of lightning....40 percent. Max temperature.....59-69 F. Min humidity........33-43%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................20 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......2500 ft AGL until 1000, then 7000 ft AGL. Transport Winds.....West 5 to 10 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 40-50. Highs 65-75. Winds less than 15 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 42-52. Highs 57-67. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 37-47. Highs 60-70. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 36-46. Highs 64-74. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 39-49. Highs 63-73. $$ COZ292-200115- North Fork Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (70-80%). Near 6000 feet, isolated showers after 1200. Near 8000 feet, isolated showers and thunderstorms after 1200. Chc of lightning....0 percent. Max temperature.....72-82 F near 6000 feet 62-72 F near 8000 feet. Min humidity........15-25%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph becoming southwest 10 to 15 mph in the afternoon. Mixing Height.......2500 ft AGL until 1100, then 9500 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Smoke dispersal.....Poor until 1200, then good. .TONIGHT... Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly cloudy (40-50%). Isolated showers and thunderstorms. Chc of lightning....20 percent. Min temperature.....44-54 F near 6000 feet 40-50 F near 8000 feet. Max humidity........63-78%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......6500 ft AGL until 1900, then 2000 ft AGL. Transport Winds.....Southeast 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms until 1200. Scattered showers and thunderstorms after 1200. Chc of lightning....30 percent. Max temperature.....70-80 F near 6000 feet 60-70 F near 8000 feet. Min humidity........29-39%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......2500 ft AGL until 1000, then 7000 ft AGL. Transport Winds.....South 5 mph until 1200, then west. Smoke dispersal.....Poor until 0900. Fair after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 47-57. Highs 74-84. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 49-59. Highs 67-77. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44-54. Highs 69-79. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 43-53. Highs 72-82. .THURSDAY...Mostly clear. Isolated showers and thunderstorms. Lows 46-56. Highs 73-83. $$ COZ293-200115- Gunnison Basin Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Isolated showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....65-75 F. Min humidity........16-26%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. 15K Ft MSL Winds....West 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Mixing Height.......3000 ft AGL until 1100, then 9000 ft AGL. Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly cloudy (40-50%). Isolated thunderstorms until 2400. Isolated showers. Chc of lightning....10 percent. Min temperature.....40-50 F. Max humidity........71-86%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....Southwest 5 to 10 mph increasing to west 15 to 20 mph after midnight. Mixing Height.......6000 ft AGL until 1900, then 2500 ft AGL. Transport Winds.....Southwest 5 mph. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms until 1200. Scattered showers. Scattered thunderstorms after 1200. Chc of lightning....30 percent. Max temperature.....63-73 F. Min humidity........34-44%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................30 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......3500 ft AGL until 1100, then 7000 ft AGL. Transport Winds.....West 5 mph until 1200, then 10 to 15 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 38-48. Highs 64-74. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 40-50. Highs 58-68. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 35-45. Highs 60-70. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers. Lows 34-44. Highs 63-73. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 37-47. Highs 64-74. $$ COZ207-200115- Southwest Colorado Lower Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Isolated showers and thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....71-81 F. Min humidity........23-33%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......2500 ft AGL until 1100, then 9000 ft AGL. Transport Winds.....Southeast 5 to 10 mph until 1200, then southwest. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms. Chc of lightning....20 percent. Min temperature.....46-56 F. Max humidity........74-89%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......5500 ft AGL until 1900, then 2000 ft AGL. Transport Winds.....South 5 to 10 mph until 2400, then southeast. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly sunny (20-30%). Isolated showers and thunderstorms. Chc of lightning....10 percent. Max temperature.....69-79 F. Min humidity........21-31%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......1500 ft AGL until 1000. 9000 ft AGL after 1100. Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Lows 45-55. Highs 75-85. Winds less than 15 mph. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 48-58. Highs 68-78. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 43-53. Highs 71-81. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 43-53. Highs 73-83. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 45-55. Highs 73-83. $$ COZ294-200115- Southwest Colorado Upper West Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Isolated showers and thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....59-69 F. Min humidity........25-35%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Mixing Height.......1500 ft AGL until 1000, then 7000 ft AGL. Transport Winds.....South 5 to 10 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .TONIGHT... Sky/weather.........Partly cloudy (30-40%). Isolated showers and thunderstorms. Chc of lightning....20 percent. Min temperature.....41-51 F. Max humidity........82-97%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 15 to 20 mph. Mixing Height.......5000 ft AGL until 1900, then 1500 ft AGL. Transport Winds.....Southwest 5 mph until 2400, then southeast. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms until 1200, then scattered showers and thunderstorms. Chc of lightning....20 percent. Max temperature.....59-69 F. Min humidity........29-39%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......2000 ft AGL until 1000, then 7000 ft AGL. Transport Winds.....South 5 to 10 mph until 1200, then west. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Lows 38-48. Highs 65-75. Winds less than 15 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 40-50. Highs 58-68. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 36-46. Highs 62-72. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 36-46. Highs 64-74. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 38-48. Highs 63-73. $$ COZ295-200115- Southwest Colorado Upper East Forecast Area- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (70-80%). Scattered showers and thunderstorms after 1200. Chc of lightning....30 percent. Max temperature.....63-73 F. Min humidity........33-43%. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................30 percent. 15K Ft MSL Winds....Southwest 15 to 20 mph. Mixing Height.......7000 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Smoke dispersal.....Poor until 0900. Fair after 1200. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Scattered showers and thunderstorms until 2400, then isolated showers and thunderstorms. Chc of lightning....30 percent. Min temperature.....39-49 F. Max humidity........81-96%. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. 15K Ft MSL Winds....West 20 to 25 mph. Mixing Height.......4000 ft AGL until 2000, then 2000 ft AGL. Transport Winds.....West 5 mph until 2400, then north. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy (30-40%). Isolated thunderstorms until 1200. Scattered showers. Scattered thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....64-74 F. Min humidity........30-40%. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 25 mph in the afternoon. CWR.................10 percent. 15K Ft MSL Winds....West 10 to 15 mph. Mixing Height.......2500 ft AGL until 1000, then 7500 ft AGL. Transport Winds.....Northwest 5 mph until 1200, then west 10 to 15 mph. Smoke dispersal.....Poor until 0900. Good after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Lows 37-47. Highs 66-76. Winds less than 15 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 40-50. Highs 60-70. Winds less than 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 36-46. Highs 64-74. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 37-47. Highs 65-75. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 38-48. Highs 64-74. $$ UTZ485-200115- Eastern Ashley National Forest- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Chc of lightning....0 percent. Max temperature.....65-75 F near 7000 feet 54-64 F near 10000 feet. 24 hr trend......5 degrees cooler. Min humidity........18-28% near 7000 feet 24-34% near 10000 feet. 24 hr trend......3% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......2000 ft AGL until 1100, then 9500 ft AGL. Transport Winds.....Southwest 5 mph. Clearing Index......Less than 500 until 1200, then 700. .TONIGHT... Sky/weather.........Mostly cloudy (60-70%). Chc of lightning....0 percent. Min temperature.....44-54 F near 7000 feet 35-45 F near 10000 feet. 24 hr trend......Unchanged. Max humidity........49-59% near 7000 feet 57-72% near 10000 feet. 24 hr trend......5% wetter. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......6500 ft AGL until 1900. 1500 ft AGL after 2000. Transport Winds.....West 5 mph. Clearing Index......550 until 1900, then less than 500. .SATURDAY... Sky/weather.........Near 7000 feet, partly cloudy (50-60%), isolated showers and thunderstorms after 1200. near 10000 feet, partly cloudy (50-60%) until 1200, then mostly cloudy (60-70%), scattered showers and isolated thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....63-73 F near 7000 feet 52-62 F near 10000 feet. 24 hr trend......2 degrees warmer. Min humidity........29-39% near 7000 feet 35-45% near 10000 feet. 24 hr trend......10% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. Mixing Height.......3000 ft AGL until 1100, then 7000 ft AGL. Transport Winds.....West 5 mph. Clearing Index......Less than 500 until 1200, then 650. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Partly cloudy. Isolated showers and thunderstorms near 7000 feet and scattered showers and isolated thunderstorms near 10000 feet. Lows 44-54. Highs 63-73. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms . Lows 43-53. Highs 57-67. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers . Lows 37-47. Highs 57-67. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 38-48. Highs 62-72. .THURSDAY...Mostly clear. Isolated showers and thunderstorms . Lows 41-51. Highs 64-74. $$ UTZ486-200115- Eastern Uinta Basin- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Chc of lightning....0 percent. Max temperature.....69-79 F near 5000 feet 57-67 F near 8000 feet. 24 hr trend......3 degrees warmer. Min humidity........15-25%. 24 hr trend......3% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......3000 ft AGL until 1200, then 9000 ft AGL. Transport Winds.....Southwest 5 mph. Clearing Index......Less than 500 until 1200. 850 after 1300. .TONIGHT... Sky/weather.........Near 5000 feet, mostly cloudy (70-80%) until 2400, then partly cloudy (50-60%). Near 8000 feet, mostly cloudy (60-70%). Chc of lightning....0 percent. Min temperature.....45-55 F. 24 hr trend......1 degree warmer. Max humidity........45-55%. 24 hr trend......3% wetter. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......5000 ft AGL until 1900, then 2000 ft AGL. Transport Winds.....Southwest 5 mph. Clearing Index......650 until 1900, then less than 500. .SATURDAY... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....68-78 F near 5000 feet 57-67 F near 8000 feet. 24 hr trend......Unchanged. Min humidity........24-34%. 24 hr trend......9% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. Mixing Height.......3000 ft AGL until 1100, then 8000 ft AGL. Transport Winds.....West 5 mph. Clearing Index......Less than 500 until 1100. 850 after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 48-58. Highs 69-79. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms . Lows 47-57. Highs 63-73. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers . Lows 42-52. Highs 62-72. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 42-52. Highs 66-76. .THURSDAY...Mostly clear. Lows 45-55. Highs 68-78. $$ UTZ487-200115- Book Cliffs- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (70-80%). Chc of lightning....0 percent. Max temperature.....69-79 F near 5000 feet 62-72 F near 8000 feet. 24 hr trend......2 degrees warmer. Min humidity........13-23%. 24 hr trend......2% drier. 20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized gusts up to 20 mph in the afternoon. CWR.................0 percent. Mixing Height.......1500 ft AGL until 1100, then 9000 ft AGL. Transport Winds.....Southwest 5 mph. Clearing Index......Less than 500 until 1100. 950 after 1200. .TONIGHT... Sky/weather.........Near 5000 feet, mostly cloudy (60-70%) until 2400, then partly cloudy (30-40%). Near 8000 feet, partly cloudy (40-50%). Isolated showers and thunderstorms until 2400. Chc of lightning....10 percent. Min temperature.....47-57 F near 5000 feet 41-51 F near 8000 feet. 24 hr trend......3 degrees warmer. Max humidity........54-64% near 5000 feet 59-74% near 8000 feet. 24 hr trend......21% wetter. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......5000 ft AGL until 1900, then 1500 ft AGL. Transport Winds.....South 5 to 10 mph. Clearing Index......600 until 1900, then less than 500. .SATURDAY... Sky/weather.........Near 5000 feet, partly cloudy (30-40%), isolated showers and thunderstorms after 1200. near 8000 feet, mostly sunny (20-30%) until 1200, then partly cloudy (40-50%), isolated showers until 1200, then scattered showers and thunderstorms. Chc of lightning....20 percent. Max temperature.....68-78 F near 5000 feet 61-71 F near 8000 feet. 24 hr trend......Unchanged. Min humidity........25-35% near 5000 feet 32-42% near 8000 feet. 24 hr trend......12% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. Mixing Height.......1500 ft AGL until 1000. 8000 ft AGL after 1100. Transport Winds.....Southwest 5 mph. Clearing Index......Less than 500 until 1100, then 700. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 47-57. Highs 72-82. Winds less than 15 mph. .MONDAY...Partly cloudy. Scattered showers and isolated thunderstorms near 6000 feet and scattered showers and isolated thunderstorms near 8000 feet. Lows 48-58. Highs 67-77. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms . Lows 42-52. Highs 64-74. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 41-51. Highs 68-78. .THURSDAY...Mostly clear. Isolated showers and thunderstorms . Lows 45-55. Highs 70-80. $$ UTZ490-200115- Colorado River Basin- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (60-70%). Near 5000 feet, isolated showers after 1200. Chc of lightning....0 percent. Max temperature.....76-86 F near 5000 feet 65-75 F near 7000 feet. 24 hr trend......Unchanged. Min humidity........13-23%. 24 hr trend......3% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......3000 ft AGL until 1200, then 8000 ft AGL. Transport Winds.....East 5 mph until 1200, then southwest. Clearing Index......Less than 500 until 1300. 850 after 1400. .TONIGHT... Sky/weather.........Partly cloudy (40-50%). Isolated showers and thunderstorms until 2400. Chc of lightning....10 percent. Min temperature.....51-61 F. 24 hr trend......Unchanged. Max humidity........52-62%. 24 hr trend......29% wetter. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................10 percent. Mixing Height.......5000 ft AGL until 1900, then 1500 ft AGL. Transport Winds.....Southwest 5 mph until 2400, then southeast. Clearing Index......600 until 1900, then less than 500. .SATURDAY... Sky/weather.........Near 5000 feet, mostly sunny (20-30%), isolated showers and thunderstorms. Near 7000 feet, mostly sunny (20-30%) until 1200, then partly cloudy (30-40%), isolated showers until 1200, then scattered showers and thunderstorms. Chc of lightning....10 percent. Max temperature.....76-86 F near 5000 feet 65-75 F near 7000 feet. 24 hr trend......1 degree warmer. Min humidity........20-30% near 5000 feet 26-36% near 7000 feet. 24 hr trend......7% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. Mixing Height.......2500 ft AGL until 1100, then 9000 ft AGL. Transport Winds.....Southeast 5 mph until 1200, then southwest. Clearing Index......Less than 500 until 1200. 1000 after 1400. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Isolated showers and thunderstorms near 7000 feet. Lows 53-63. Highs 77-87. Winds less than 15 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms near 5000 feet and scattered showers and isolated thunderstorms near 7000 feet. Lows 54-64. Highs 73-83. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms . Lows 49-59. Highs 71-81. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Lows 49-59. Highs 74-84. .THURSDAY...Mostly clear. Isolated showers and thunderstorms . Lows 50-60. Highs 74-84. $$ UTZ491-200115- Southeast Utah- 307 AM MDT Fri Sep 19 2025 .TODAY... Sky/weather.........Mostly cloudy (70-80%) until 1200, then partly cloudy (50-60%). Near 5000 feet, isolated showers and thunderstorms. Near 8000 feet, isolated showers. Isolated thunderstorms after 1200. Chc of lightning....20 percent. Max temperature.....73-83 F near 5000 feet 61-71 F near 8000 feet. 24 hr trend......2 degrees cooler. Min humidity........22-32%. 24 hr trend......13% wetter. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................10 percent. Mixing Height.......2000 ft AGL until 1100, then 9000 ft AGL. Transport Winds.....South 5 mph until 1200, then southwest. Clearing Index......Less than 500 until 1200. 1000 after 1500. .TONIGHT... Sky/weather.........Partly cloudy (30-40%). Isolated showers and thunderstorms. Chc of lightning....10 percent. Min temperature.....52-62 F near 5000 feet 44-54 F near 8000 feet. 24 hr trend......4 degrees cooler. Max humidity........65-80%. 24 hr trend......39% wetter. 20-foot winds.......Upslope/upvalley 4 to 8 mph becoming downslope/downvalley 3 to 6 mph by sunset. CWR.................0 percent. Mixing Height.......7000 ft AGL until 1900. 1000 ft AGL after 2000. Transport Winds.....Southeast 5 mph. Clearing Index......650 until 1900, then less than 500. .SATURDAY... Sky/weather.........Near 5000 feet, mostly sunny (20-30%), isolated showers and thunderstorms. Near 8000 feet, mostly sunny (20-30%) until 1200, then partly cloudy (30-40%), isolated showers and thunderstorms until 1200, scattered showers and thunderstorms after 1200. Chc of lightning....10 percent. Max temperature.....75-85 F near 5000 feet 60-70 F near 8000 feet. 24 hr trend......2 degrees warmer. Min humidity........20-30% near 5000 feet 29-39% near 8000 feet. 24 hr trend......1% drier. 20-foot winds.......Downslope/downvalley 3 to 6 mph becoming upslope/upvalley 4 to 8 mph by 1100. CWR.................0 percent. Mixing Height.......1500 ft AGL until 1000. 9500 ft AGL after 1100. Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph. Clearing Index......Less than 500 until 1100. 1050 after 1200. .FORECAST FOR DAY 3 THROUGH 7... .SUNDAY...Mostly clear. Lows 51-61. Highs 77-87. Winds less than 15 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms near 5000 feet and scattered showers and isolated thunderstorms near 8000 feet. Lows 53-63. Highs 72-82. Winds less than 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms near 8000 feet. Lows 49-59. Highs 73-83. Winds less than 15 mph. .WEDNESDAY...Mostly clear. Isolated showers. Lows 49-59. Highs 75-85. .THURSDAY...Mostly clear. Isolated showers and thunderstorms . Lows 50-60. Highs 75-85. $$