206
FPUS55 KBOU 180649
ZFPBOU
ZONE FORECAST PRODUCT FOR NORTHEAST COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1248 AM MDT FRI SEP 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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S TO LOWER
60S.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER TO MID 80S. CHANCE OF PRECIPITATION
30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER TO MID
50S. CHANCE OF RAIN 50 PERCENT.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS IN THE MID TO
UPPER 70S. CHANCE OF RAIN 70 PERCENT.
SATURDAY NIGHT
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS 47 TO 53.
SUNDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS IN
THE LOWER TO MID 70S. CHANCE OF RAIN 70 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 43 TO 51. CHANCE OF RAIN
40 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER TO MID 70S.
MONDAY NIGHT AND TUESDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF THUNDERSTORMS. LOWS 47 TO 53. HIGHS 74 TO 80.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 48 TO 54. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
70S TO LOWER 80S. LOWS IN THE LOWER TO MID 50S.
THURSDAY
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS NEAR 80.
COZ041-182100-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
1248 AM MDT FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS IN THE MID TO UPPER 50S.
FRIDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 76 TO 82. CHANCE OF RAIN 60 PERCENT.
FRIDAY NIGHT
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS NEAR 50. CHANCE
OF RAIN 70 PERCENT.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID TO UPPER 70S. CHANCE OF RAIN 70 PERCENT.
SATURDAY NIGHT
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS NEAR 50. CHANCE OF RAIN 70 PERCENT.
SUNDAY AND SUNDAY NIGHT
SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. HIGHS NEAR 70. LOWS IN THE MID TO UPPER 40S.
CHANCE OF RAIN 60 PERCENT.
MONDAY
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS.
HIGHS NEAR 70.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS NEAR 50. HIGHS
71 TO 77. CHANCE OF RAIN 30 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS NEAR 50. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
THUNDERSTORMS. LOWS NEAR 50.
THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 73 TO 79.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS IN THE UPPER
50S.
FRIDAY
PATCHY FOG IN THE MORNING. PARTLY CLOUDY IN THE
MORNING, THEN MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE 80S.
CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
LOWER TO MID 50S. CHANCE OF RAIN 70 PERCENT.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS NEAR 80. CHANCE
OF RAIN 70 PERCENT.
SATURDAY NIGHT
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS NEAR 50.
SUNDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS IN
THE LOWER TO MID 70S. CHANCE OF RAIN 70 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID TO UPPER 40S. CHANCE OF
RAIN 40 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER TO MID 70S.
MONDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS NEAR 50. CHANCE OF RAIN 30 PERCENT.
TUESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID TO UPPER 70S.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER TO MID 50S.
CHANCE OF RAIN 40 PERCENT.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. HIGHS NEAR 80. LOWS
IN THE LOWER TO MID 50S.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS NEAR 60.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE 80S. CHANCE OF PRECIPITATION 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER
TO MID 50S. CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL.
HIGHS NEAR 80.
SATURDAY NIGHT
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS NEAR 50. NORTHEAST
WINDS 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.
SUNDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER TO MID 70S.
SUNDAY NIGHT
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS
IN THE MID TO UPPER 40S. CHANCE OF RAIN 70 PERCENT.
MONDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 70S.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS NEAR 50. CHANCE OF RAIN 30 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER TO MID 70S.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS NEAR 50. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE 70S.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS NEAR 50.
THURSDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE UPPER 70S.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. PATCHY FOG. LOWS IN THE LOWER
60S.
FRIDAY
PARTLY CLOUDY. PATCHY FOG IN THE MORNING. SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE
OF PRECIPITATION 20 PERCENT.
FRIDAY NIGHT
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 50S.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS 75 TO 81. CHANCE
OF RAIN 70 PERCENT.
SATURDAY NIGHT
SHOWERS AND CHANCE OF THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOWS IN THE MID 50S.
SUNDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS 68 TO
74. CHANCE OF RAIN 70 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 40S.
MONDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE LOWER TO MID 70S.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS AROUND 50.
TUESDAY
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 67 TO 75.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. CHANCE OF
RAIN 40 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID TO UPPER 70S.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S.
THURSDAY
PARTLY CLOUDY. HIGHS NEAR 80.
COZ035-182100-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, NEDERLAND, AND RED FEATHER LAKES
1248 AM MDT FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS 49 TO 59.
FRIDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 67 TO 77. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER
MIDNIGHT. LOWS 42 TO 52. CHANCE OF RAIN 40 PERCENT.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS
63 TO 73. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 39 TO 49. CHANCE OF RAIN 70 PERCENT.
SUNDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS
58 TO 68. CHANCE OF RAIN 60 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 36 TO 46.
MONDAY
MOSTLY SUNNY. HIGHS 61 TO 69.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 39 TO 49.
TUESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 65 TO 73.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 41 TO 51. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 65 TO 75. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 41 TO 51.
THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 66 TO 76.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 49 TO 57. CHANCE OF RAIN 10 PERCENT.
FRIDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 68 TO 78. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 42 TO 52.
CHANCE OF RAIN 60 PERCENT.
SATURDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS
66 TO 76. CHANCE OF RAIN 60 PERCENT.
SATURDAY NIGHT
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS 40 TO 50. CHANCE OF RAIN 60 PERCENT.
SUNDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 62 TO 72.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 39 TO 49. CHANCE OF RAIN
30 PERCENT.
MONDAY
MOSTLY SUNNY. HIGHS 62 TO 72.
MONDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 41 TO 51.
TUESDAY
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS
66 TO 76. CHANCE OF RAIN 60 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 42 TO 52. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 65 TO 75. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS 42 TO 52.
THURSDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 66 TO 76.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S TO LOWER
50S.
FRIDAY
SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE
MID TO UPPER 60S. CHANCE OF RAIN 60 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
WITH A SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. COLDER. LOWS
33 TO 43. CHANCE OF RAIN 30 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 61 TO 67.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 30 TO 40. CHANCE OF RAIN
30 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS 57 TO 63. CHANCE OF RAIN
50 PERCENT.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS 28 TO 38.
HIGHS 62 TO 68.
TUESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 64 TO 70.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 30 TO 40. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 63 TO 69.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS 30 TO 40.
HIGHS 65 TO 71.
COZ037-182100-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING FAIRPLAY, HARTSEL, LAKE GEORGE, AND SOUTH PARK
1248 AM MDT FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID TO UPPER 40S. CHANCE OF RAIN
20 PERCENT.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 63 TO 69. CHANCE OF PRECIPITATION 50 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 38 TO 46.
CHANCE OF PRECIPITATION 30 PERCENT.
SATURDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 62 TO 70. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS UP TO 30 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 35 TO 43.
SUNDAY
MOSTLY SUNNY. HIGHS 60 TO 68.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS 33 TO 43. HIGHS
63 TO 69.
MONDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 38 TO 46. CHANCE OF RAIN
30 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 61 TO 69.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 36 TO 44. CHANCE OF RAIN
50 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 61 TO 67.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 38 TO 46.
THURSDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 61 TO 67.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. LOWS 42 TO 48.
FRIDAY
SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO
66. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS 35 TO 45.
CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 51 TO 61.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 31 TO 41. CHANCE OF RAIN
50 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 47 TO 57.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLEAR. LOWS 30 TO 40.
HIGHS 52 TO 62.
TUESDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 54 TO 64.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 33 TO 43. CHANCE OF RAIN
30 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 53 TO 63.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 33 TO 43.
THURSDAY
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 55 TO 65.
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 FRI SEP 18 2026
REST OF TONIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 40 TO 48. CHANCE OF RAIN 10 PERCENT.
FRIDAY
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 54 TO 64. CHANCE OF RAIN 70 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. LOWS 35 TO 43. CHANCE OF RAIN 40 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 52 TO 62.
SATURDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
THUNDERSTORMS. LOWS 30 TO 40.
SUNDAY
PARTLY CLOUDY WITH A 10 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 49 TO 59.
SUNDAY NIGHT AND MONDAY
MOSTLY CLEAR. LOWS 28 TO 38. HIGHS
53 TO 63.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 32 TO 42.
TUESDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. HIGHS
53 TO 63. CHANCE OF RAIN 60 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 32 TO 42. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 52 TO 62.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
SHOWERS. LOWS 33 TO 43.
THURSDAY
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
THUNDERSTORMS. HIGHS 53 TO 63.
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