035  
FPUS55 KBOU 190005  
ZFPBOU  
 
ZONE FORECAST PRODUCT FOR NORTHEAST COLORADO  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
605 PM MDT THU JUN 18 2026  
 
COZ038>040-191200-  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-  
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD  
COUNTY-  
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND  
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-  
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN, ARVADA,  
BOULDER, GOLDEN, LAKEWOOD, LONGMONT, AURORA, BRIGHTON,  
CITY OF DENVER, DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH,  
LITTLETON, AND PARKER  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS 51 TO 59. EAST WINDS 10 TO 15 MPH,  
BECOMING NORTH AFTER MIDNIGHT.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 83 TO 89. NORTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 35 MPH.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 54 TO 60. EAST WINDS 10 TO  
15 MPH IN THE EVENING, BECOMING LIGHT.    
SATURDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 86 TO 96.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 54 TO 60.    
SUNDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 84 TO 90.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 50 TO 56.    
MONDAY AND MONDAY NIGHT  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE  
OF THUNDERSTORMS. HIGHS 80 TO 86. LOWS 50 TO 58.    
TUESDAY  
PARTLY CLOUDY. HIGHS 78 TO 84.    
TUESDAY NIGHT  
MOSTLY CLEAR WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 52 TO 58.    
WEDNESDAY THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. HIGHS 81 TO 90. LOWS 53 TO 59.  
 
 
 
COZ041-191200-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS 50 TO 56. SOUTH WINDS 15 TO 25 MPH  
WITH GUSTS UP TO 35 MPH.    
JUNETEENTH  
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 82 TO 88. NORTHWEST WINDS 10 TO 15 MPH,  
BECOMING NORTHEAST IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS 52 TO 58. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 87 TO 93. SOUTH WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SUNDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 80 TO 86.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
MONDAY  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS 76 TO  
82. CHANCE OF RAIN 70 PERCENT.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 49 TO 55. HIGHS IN THE MID 70S TO  
LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 50 TO 56.    
WEDNESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 79 TO 85.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 52 TO 58. HIGHS 82 TO 88.  
 
 
 
COZ042>045-191200-  
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
INCLUDING BRIGGSDALE, GROVER, PAWNEE BUTTES, RAYMER, STONEHAM,  
EATON, FORT LUPTON, GREELEY, ROGGEN, BRUSH, FORT MORGAN,  
GOODRICH, WIGGINS, BENNETT, BYERS, DEER TRAIL, AND LEADER  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE 50S. SOUTHEAST WINDS 10 TO  
20 MPH WITH GUSTS UP TO 35 MPH.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS IN THE MID 80S TO LOWER 90S.  
NORTH WINDS 10 TO 20 MPH, BECOMING NORTHEAST IN THE AFTERNOON.  
GUSTS UP TO 30 MPH.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. EAST WINDS  
10 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 89 TO 95. SOUTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. NORTHEAST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 30 MPH.    
SUNDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID TO UPPER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S.    
MONDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER TO MID 80S.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S.    
TUESDAY  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
TUESDAY NIGHT THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 51 TO 57. HIGHS 82 TO 90.  
 
 
 
COZ046-047-191200-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
INCLUDING AGATE, HUGO, LIMON, MATHESON, FORDER, KARVAL, KUTCH,  
AND PUNKIN CENTER  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S. SOUTH  
WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.    
JUNETEENTH  
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S TO LOWER 90S. SOUTH WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH, BECOMING EAST WITH GUSTS UP  
TO 20 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS IN THE 50S. SOUTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 20 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER TO MID 90S. SOUTH WINDS 10 TO  
20 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE 50S. NORTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 30 MPH.    
SUNDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID TO UPPER 80S.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
MONDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S. HIGHS IN  
THE LOWER TO MID 80S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S. HIGHS IN  
THE MID TO UPPER 80S.  
 
 
 
COZ048>051-191200-  
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-  
INCLUDING CROOK, MERINO, STERLING, PEETZ, AKRON, COPE,  
LAST CHANCE, OTIS, JULESBURG, OVID, SEDGWICK, AMHERST, HAXTUN,  
AND HOLYOKE  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST WINDS  
15 TO 25 MPH WITH GUSTS UP TO 35 MPH.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS IN THE MID 80S TO LOWER 90S.  
SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHEAST IN THE  
AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS IN THE MID 50S. EAST WINDS 20 TO 25 MPH,  
BECOMING SOUTHEAST 10 TO 15 MPH AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 10 PERCENT.    
SATURDAY  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS  
85 TO 93. SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.  
CHANCE OF RAIN 60 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. NORTHEAST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 35 MPH.    
SUNDAY  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 81 TO 87.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S.    
MONDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 77 TO 83.    
MONDAY NIGHT  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS  
IN THE LOWER 50S. CHANCE OF RAIN 60 PERCENT.    
TUESDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 81.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. CHANCE OF  
RAIN 30 PERCENT.    
WEDNESDAY  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 77 TO 83.    
WEDNESDAY NIGHT AND THURSDAY  
MOSTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS 79 TO 87.  
 
 
 
COZ035-191200-  
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
INCLUDING ESTES PARK, GLENDEVEY, NEDERLAND, AND RED FEATHER LAKES  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
PARTLY CLOUDY. LOWS 45 TO 55.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 75 TO 83. EAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 46 TO 56.    
SATURDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 77 TO 87. CHANCE OF RAIN  
30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 47 TO 57.    
SUNDAY  
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS.  
HIGHS 72 TO 82.    
SUNDAY NIGHT AND MONDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE  
OF THUNDERSTORMS. LOWS 43 TO 53. HIGHS 71 TO 79.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 44 TO 54. HIGHS 71 TO 79.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55.    
WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 83.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 46 TO 56.    
THURSDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 85.  
 
 
 
COZ036-191200-  
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR  
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-  
INCLUDING BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN,  
IDAHO SPRINGS, AND WESTCREEK  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS 49 TO 57.    
JUNETEENTH  
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 75 TO 85. EAST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 20 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS 48 TO 58. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS 81 TO 91. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 48 TO 58.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE  
OF THUNDERSTORMS. HIGHS 75 TO 85. LOWS 45 TO 55.    
MONDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 72 TO 82.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 46 TO 56.    
TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 71 TO 81.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 47 TO 57. HIGHS 76 TO 86.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 49 TO 59.    
THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 77 TO 87.  
 
 
 
COZ030-032-191200-  
JACKSON COUNTY BELOW 9000 FEET-  
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-  
INCLUDING GOULD, NORTH PARK, RAND, SPICER, WALDEN, DILLON,  
FRASER, GRANBY, GRAND LAKE, HOT SULPHUR SPRINGS, AND KREMMLING  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS 38 TO 44.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 78 TO 84. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 40 TO 48. NORTHEAST WINDS  
10 TO 15 MPH IN THE EVENING, BECOMING LIGHT.    
SATURDAY  
PARTLY CLOUDY. HIGHS 77 TO 83. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS UP TO 45 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 38 TO 46.    
SUNDAY  
MOSTLY SUNNY. HIGHS 71 TO 77.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 36 TO 44.    
MONDAY  
MOSTLY SUNNY. HIGHS 73 TO 79.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 37 TO 45.    
TUESDAY  
MOSTLY SUNNY. HIGHS 77 TO 83.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 38 TO 46.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 78 TO 84.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 39 TO 47.    
THURSDAY  
MOSTLY SUNNY. HIGHS 77 TO 83.  
 
 
 
COZ037-191200-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
INCLUDING FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS 42 TO 48. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING, BECOMING LIGHT.    
JUNETEENTH  
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY  
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
76 TO 82. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. LOWS 43 TO 49. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.  
HIGHS 75 TO 83. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS UP TO  
40 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 41 TO 47. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 40 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS 71 TO 79.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 41 TO 47.    
MONDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 72 TO 78.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 41 TO 47.    
TUESDAY  
MOSTLY SUNNY. HIGHS 75 TO 81.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 43 TO 49.    
WEDNESDAY  
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 76 TO 82.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 43 TO 49.    
THURSDAY  
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 74 TO 82.  
 
 
 
COZ031-033-191200-  
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-  
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/  
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-  
INCLUDING MT ZIRKEL, CAMERON PASS,  
LARAMIE AND MEDICINE BOW MOUNTAINS, RABBIT EARS RANGE,  
ROCKY MOUNTAIN NATIONAL PARK, AND WILLOW CREEK PASS  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
PARTLY CLOUDY. LOWS 38 TO 46.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 67 TO 77. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 40 TO 50. SOUTHEAST WINDS  
10 TO 15 MPH IN THE EVENING, BECOMING LIGHT.    
SATURDAY  
PARTLY CLOUDY. HIGHS 67 TO 77. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS UP TO 40 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 38 TO 48. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 40 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS 61 TO 71.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 35 TO 45. CHANCE OF RAIN  
30 PERCENT.    
MONDAY  
MOSTLY SUNNY WITH A 30 PERCENT CHANCE OF THUNDERSTORMS.  
HIGHS 63 TO 73.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 36 TO 46.    
TUESDAY  
MOSTLY SUNNY. HIGHS 66 TO 76.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 38 TO 48.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 67 TO 77.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 39 TO 49.    
THURSDAY  
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 67 TO 77.  
 
 
 
COZ034-191200-  
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/  
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE  
9000 FEET-  
INCLUDING BERTHOUD PASS, BRECKENRIDGE,  
EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE,  
EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS,  
MOUNT BLUE SKY, WILLIAMS FORK MOUNTAINS, AND WINTER PARK  
605 PM MDT THU JUN 18 2026  
   
TONIGHT  
MOSTLY CLEAR. LOWS 39 TO 49. NORTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING, BECOMING LIGHT.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 67 TO 77. NORTHWEST WINDS  
10 TO 15 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 39 TO 49. EAST WINDS 10 TO  
15 MPH IN THE EVENING, BECOMING LIGHT.    
SATURDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS 66 TO 76. WEST WINDS 10 TO 20 MPH WITH GUSTS UP TO  
40 MPH.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 37 TO 47. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 40 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS 61 TO 71.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 35 TO 45.    
MONDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 63 TO 73.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 36 TO 46.    
TUESDAY  
MOSTLY SUNNY. HIGHS 65 TO 75.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 38 TO 48.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 66 TO 76.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 39 TO 49.    
THURSDAY  
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 66 TO 76.  
 
 
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