862  
FPUS55 KBOU 180648  
ZFPBOU  
 
ZONE FORECAST PRODUCT FOR NORTHEAST COLORADO  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
1248 AM MDT THU JUN 18 2026  
 
COZ038>040-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 47 TO 55.    
THURSDAY  
MOSTLY SUNNY. HIGHS 83 TO 89. SOUTHEAST WINDS 10 TO  
15 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
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 30 MPH.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 54 TO 60.    
SATURDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 88 TO 96.    
SATURDAY NIGHT  
MOSTLY CLEAR WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 54 TO 60.    
SUNDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 82 TO 88.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 48 TO 56.    
MONDAY  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 77 TO 83.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 50 TO 56.    
TUESDAY  
MOSTLY SUNNY. HIGHS NEAR 80.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 52 TO 58. HIGHS 86 TO 92.  
 
 
 
COZ041-182100-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS NEAR 50. NORTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 20 MPH.    
THURSDAY  
PARTLY CLOUDY. HIGHS 77 TO 85. SOUTH WINDS 10 TO  
20 MPH WITH GUSTS UP TO 30 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 50 TO 56. SOUTH WINDS 10 TO  
20 MPH WITH GUSTS UP TO 30 MPH.    
JUNETEENTH  
MOSTLY SUNNY. HIGHS 82 TO 88. NORTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 53 TO 59.    
SATURDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 87 TO 93.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 51 TO 57.    
SUNDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 79 TO 85.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
MONDAY  
THUNDERSTORMS LIKELY. HIGHS 73 TO 79. CHANCE OF  
PRECIPITATION 70 PERCENT.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS NEAR 50. HIGHS IN THE MID 70S TO  
LOWER 80S.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S. HIGHS  
83 TO 89.  
 
 
 
COZ042>045-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE MID TO UPPER 80S.  
SOUTHEAST WINDS 10 TO 15 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE 50S. SOUTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS IN THE MID 80S TO LOWER 90S.  
NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY AND SATURDAY NIGHT  
PARTLY CLOUDY WITH A 40 PERCENT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER TO MID 90S. LOWS IN  
THE MID 50S.    
SUNDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 82 TO 88.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 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  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S.    
TUESDAY  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE 50S. HIGHS NEAR 90.  
 
 
 
COZ046-047-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 49 TO 55. NORTHEAST WINDS  
10 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
THURSDAY  
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 80S. SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS UP TO  
30 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 50S.  
SOUTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.    
JUNETEENTH  
MOSTLY SUNNY. HIGHS IN THE MID 80S TO LOWER 90S.  
SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE 50S. SOUTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 20 MPH.    
SATURDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER TO MID 90S.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE 50S. CHANCE OF RAIN  
30 PERCENT.    
SUNDAY  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE 80S.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
MONDAY  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE MID TO UPPER 70S. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS NEAR 50.    
TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S.    
WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID TO UPPER 80S.  
 
 
 
COZ048>051-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER TO MID 80S.  
SOUTHEAST WINDS 10 TO 15 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. SOUTHEAST  
WINDS 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS IN THE MID 80S TO LOWER 90S.  
EAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 50S. EAST WINDS 10 TO 20 MPH  
WITH GUSTS UP TO 30 MPH.    
SATURDAY  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS  
87 TO 95. CHANCE OF RAIN 70 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S.    
SUNDAY AND SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE  
OF THUNDERSTORMS. HIGHS 79 TO 85. LOWS IN THE LOWER 50S.    
MONDAY  
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS 73 TO  
79. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S.    
TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS NEAR 80.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S.    
WEDNESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 84 TO 90.  
 
 
 
COZ035-182100-  
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
INCLUDING ESTES PARK, GLENDEVEY, NEDERLAND, AND RED FEATHER LAKES  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 38 TO 48.    
THURSDAY  
MOSTLY SUNNY. HIGHS 74 TO 82. NORTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 45 TO 55.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 75 TO 83.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 47 TO 57.    
SATURDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 78 TO 88.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 46 TO 56.    
SUNDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 72 TO 82.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 40 TO 50.    
MONDAY  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 67 TO 77.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 42 TO 52. HIGHS 69 TO 79.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS 44 TO 54.    
WEDNESDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 75 TO 85.  
 
 
 
COZ036-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 44 TO 52.    
THURSDAY  
MOSTLY SUNNY. HIGHS 76 TO 86. NORTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 49 TO 57.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 75 TO 85.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS 49 TO 59.    
SATURDAY  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 81 TO 91.    
SATURDAY NIGHT  
MOSTLY CLEAR. LOWS 48 TO 58.    
SUNDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 74 TO 84.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 43 TO 53.    
MONDAY  
THUNDERSTORMS LIKELY. HIGHS 69 TO 79. CHANCE OF  
PRECIPITATION 60 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 45 TO 53.    
TUESDAY  
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 70 TO 80.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 47 TO 55.    
WEDNESDAY  
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 77 TO 87.  
 
 
 
COZ030-032-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
CLEAR. LOWS 36 TO 42.    
THURSDAY  
MOSTLY SUNNY. HIGHS 75 TO 81. WEST WINDS 10 TO 20 MPH  
IN THE AFTERNOON. GUSTS UP TO 30 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 38 TO 44.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 78 TO 84.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 40 TO 48.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. HIGHS 76 TO 82. LOWS  
37 TO 45.    
SUNDAY  
MOSTLY SUNNY. HIGHS 71 TO 77.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS 35 TO 43.    
MONDAY THROUGH WEDNESDAY  
MOSTLY CLEAR. HIGHS 73 TO 83. LOWS  
35 TO 45.  
 
 
 
COZ037-182100-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
INCLUDING FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS IN THE 40S.    
THURSDAY  
MOSTLY SUNNY. HIGHS 75 TO 81. WEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLEAR. LOWS 42 TO 48. SOUTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING, BECOMING  
LIGHT.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 76 TO 82.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 43 TO 49.    
SATURDAY  
MOSTLY SUNNY. HIGHS 74 TO 82.    
SATURDAY NIGHT  
CLEAR. LOWS 41 TO 47.    
SUNDAY  
MOSTLY SUNNY. HIGHS 71 TO 79.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 41 TO 47.    
MONDAY  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 70 TO 76.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 41 TO 47.    
TUESDAY  
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 73 TO 79.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 42 TO 48.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 75 TO 81.  
 
 
 
COZ031-033-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
CLEAR. LOWS 36 TO 42.    
THURSDAY  
MOSTLY SUNNY. HIGHS 65 TO 75. WEST WINDS 10 TO 20 MPH  
WITH GUSTS UP TO 30 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS 38 TO 46.    
JUNETEENTH  
PARTLY CLOUDY. HIGHS 67 TO 77.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 40 TO 50.    
SATURDAY  
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 66 TO 76.    
SATURDAY NIGHT AND SUNDAY  
MOSTLY CLEAR. LOWS 37 TO 47. HIGHS  
61 TO 71.    
SUNDAY NIGHT AND MONDAY  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE  
OF THUNDERSTORMS. LOWS 34 TO 44. HIGHS 61 TO 71.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 35 TO 45.    
TUESDAY THROUGH WEDNESDAY  
MOSTLY CLEAR. HIGHS 66 TO 76. LOWS  
37 TO 47.  
 
 
 
COZ034-182100-  
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  
1248 AM MDT THU JUN 18 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. LOWS 37 TO 45.    
THURSDAY  
MOSTLY SUNNY. HIGHS 65 TO 75. NORTHWEST WINDS 10 TO  
20 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.    
THURSDAY NIGHT  
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.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 39 TO 49.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLEAR. HIGHS 66 TO 76. LOWS  
37 TO 47.    
SUNDAY  
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF THUNDERSTORMS.  
HIGHS 61 TO 71.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS 34 TO 44.    
MONDAY  
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 60 TO 70.    
MONDAY NIGHT  
MOSTLY CLEAR. LOWS 35 TO 45.    
TUESDAY  
MOSTLY SUNNY WITH A 10 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 63 TO 73.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 37 TO 47.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 66 TO 76.  
 
 
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