Zone Forecast Product
Issued by NWS Denver/Boulder, CO

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000
FPUS55 KBOU 232042
ZFPBOU

Zone Forecast Product for Northeast Colorado
National Weather Service Denver/Boulder CO
242 PM MDT Tue May 23 2017

COZ038-241215-
Larimer County Below 6000 Feet/Northwest Weld County-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows in the upper 30s.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s to lower 80s.
West winds 10 to 15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows near 50.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 65 to 71.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the lower to mid 40s.
Chance of precipitation 30 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance
of thunderstorms. Highs 60 to 66. Lows in the lower to mid 40s.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs 58 to 64. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the lower 40s.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 63 to 69. Lows in
the lower 40s.
.MEMORIAL DAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 63 to 69.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 40s.
.TUESDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs near 70.

$$

COZ039-040-241215-
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-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows in the lower 40s.
.WEDNESDAY...Mostly sunny. Highs near 80.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the upper 60s.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms. Lows in the mid 40s.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the lower 60s. Chance of
precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the lower 40s.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy with a 10 percent chance
of thunderstorms. Highs in the mid to upper 60s. Lows in the mid
40s.
.Memorial Day AND MONDAY NIGHT...Partly cloudy. Highs in the mid
60s to lower 70s. Lows in the mid 40s.
.TUESDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs near 70.

$$

COZ041-241215-
Elbert/Central and East Douglas Counties Above 6000 Feet-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows near 40. Northwest winds 10 to
15 mph with gusts to around 25 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs in the mid to upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows near 50.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 69 to 75. Northwest winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the lower to mid 40s.
Chance of precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs in the mid to upper 60s.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms. Lows in the lower to mid 40s.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs near 60. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows near 40. Chance of
precipitation 30 percent.
.SUNDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs in the lower to mid 60s.
.SUNDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the lower to mid 40s.
.MEMORIAL DAY...Partly cloudy. Highs 61 to 67.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower to mid 40s.
.TUESDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the mid to upper 60s.

$$

COZ042>045-241215-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows near 40.
.WEDNESDAY...Mostly sunny. Highs near 80.
.WEDNESDAY NIGHT...Mostly clear. Lows near 50.
.THURSDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 69 to 75. North winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the mid to upper 40s.
Chance of precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 64 to 70.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms.
Lows in the 40s. Chance of precipitation 60 percent.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the lower to mid 60s.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the lower 40s.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the mid to
upper 60s. Lows in the mid 40s.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the mid 60s to lower 70s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs near 70.

$$

COZ048-049-241215-
Logan County-Washington County-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows in the upper 30s.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southwest
winds 10 to 15 mph.
.THURSDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs in the lower to mid 70s. North winds 10 to
15 mph.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the mid 40s. Chance of
precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs in the mid to upper 60s.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms.
Lows in the upper 40s. Chance of precipitation 60 percent.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the lower 60s. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid 40s.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the mid 60s.
Lows in the mid 40s.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs in the upper 60s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs in the lower 70s.

$$

COZ050-051-241215-
Sedgwick County-Phillips County-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows in the upper 30s. North winds 10 to
15 mph with gusts to around 30 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs in the 70s. South winds 10 to
15 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows around 50. South winds
10 to 15 mph in the evening becoming light.
.THURSDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs in the lower 70s.
.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Chance of
precipitation 30 percent.
.FRIDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs in the upper 60s.
.FRIDAY NIGHT...Rain showers likely and chance of thunderstorms.
Lows in the upper 40s. Chance of precipitation 60 percent.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs in the lower 60s. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows in the mid 40s.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the upper 60s.
Lows in the mid 40s.
.MEMORIAL DAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs in the upper 60s.
.MONDAY NIGHT...Partly cloudy. Lows in the mid 40s.
.TUESDAY...Mostly sunny with a 10 percent chance of
thunderstorms. Highs in the lower 70s.

$$

COZ046-047-241215-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows near 40. North winds 10 to 15 mph
with gusts to around 30 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs in the mid to upper 70s.
.WEDNESDAY NIGHT...Mostly clear. Lows near 50. South winds 10 to
15 mph in the evening becoming light.
.THURSDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 72 to 82. Northwest winds 10 to 15 mph with
gusts to around 25 mph.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows in the mid to upper 40s.
.FRIDAY...Mostly cloudy with a 40 percent chance of
thunderstorms. Highs 66 to 74.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
thunderstorms. Lows in the mid to upper 40s.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs 60 to 66. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows in the lower to mid 40s.
Chance of precipitation 30 percent.
.SUNDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 63 to 69.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows in the
40s. Highs 65 to 71.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs near 70.

$$

COZ035-036-241215-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows 34 to 42. West winds 10 to 15 mph
after midnight.
.WEDNESDAY...Mostly sunny. Highs 64 to 74. West winds 10 to
15 mph with gusts to around 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 40 to 50.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 57 to 67.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows 36 to 44.
.FRIDAY...Rain showers likely and chance of thunderstorms. Highs
54 to 64. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Rain showers likely and slight chance of
thunderstorms. Lows 35 to 43. Chance of precipitation 60 percent.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs 49 to 59. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Lows 32 to 40. Chance of
precipitation 30 percent.
.SUNDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 52 to 62.
.SUNDAY NIGHT...Partly cloudy with a 10 percent chance of
thunderstorms. Lows 34 to 42.
.MEMORIAL DAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 54 to 64.
.MONDAY NIGHT...Partly cloudy. Lows 35 to 43.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms. Highs 58 to 66.

$$

COZ030-032-241215-
Jackson County Below 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
242 PM MDT Tue May 23 2017

.TONIGHT...Partly cloudy. Lows 30 to 36.
.WEDNESDAY...Mostly sunny. Highs 62 to 68. West winds 10 to
15 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy. Lows 36 to 42.
.THURSDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 55 to 61. West winds 10 to 15 mph.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows in the 30s.
.FRIDAY...Mostly cloudy with a 50 percent chance of
thunderstorms. Highs 54 to 60.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows 30 to 36.
.SATURDAY...Mostly cloudy with a chance of rain showers and
slight chance of thunderstorms. Highs 51 to 57. Chance of
precipitation 30 percent.
.SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows near 30.
.SUNDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 53 to 59.
.SUNDAY NIGHT...Partly cloudy. Lows in the lower to mid 30s.
.MEMORIAL DAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 56 to 62.
.MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 30s.
.TUESDAY...Partly cloudy with a 10 percent chance of
thunderstorms. Highs 60 to 66.

$$

COZ037-241215-
Central and Southeast Park County-
242 PM MDT Tue May 23 2017

.TONIGHT...Mostly clear. Lows 29 to 35. Northwest winds 10 to
15 mph with gusts to around 25 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 62 to 68. Northwest winds 10 to
20 mph with gusts to around 30 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 34 to 42.
.THURSDAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 59 to 65. West winds 10 to 15 mph with gusts
to around 25 mph.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 30 to 38.
.FRIDAY...Mostly cloudy with a 30 percent chance of
thunderstorms. Highs 57 to 63.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain
showers. Lows 30 to 36.
.SATURDAY...Mostly cloudy with a chance of rain showers, slight
chance of thunderstorms and snow showers. Highs 52 to 58. Chance
of precipitation 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow showers. Lows 28 to 34.
.SUNDAY...Mostly cloudy with a chance of rain showers, slight
chance of thunderstorms and snow showers. Highs 51 to 57. Chance
of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of
thunderstorms. Lows 29 to 35.
.MEMORIAL DAY...Partly cloudy with a 30 percent chance of
thunderstorms. Highs 53 to 59.
.MONDAY NIGHT...Mostly cloudy with a 10 percent chance of
thunderstorms. Lows 30 to 36.
.TUESDAY...Mostly cloudy with a 20 percent chance of
thunderstorms. Highs 55 to 61.

$$

COZ033-034-241215-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-
242 PM MDT Tue May 23 2017

.TONIGHT...Partly cloudy. Lows 27 to 35. Northwest winds 10 to
15 mph with gusts to around 30 mph.
.WEDNESDAY...Mostly sunny. Highs 53 to 63. West winds 10 to
20 mph with gusts to around 30 mph.
.WEDNESDAY NIGHT...Partly cloudy. A 10 percent chance of rain
showers after midnight. Lows 34 to 42. West winds 10 to 15 mph
with gusts to around 30 mph.
.THURSDAY...Thunderstorms and snow showers likely. Highs 46 to
56. West winds 10 to 15 mph with gusts to around 30 mph. Chance
of precipitation 60 percent.
.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
and snow showers. Lows 30 to 36.
.FRIDAY...Mostly cloudy with a 40 percent chance of thunderstorms
and snow showers. Highs 44 to 54.
.FRIDAY NIGHT...Rain and snow showers likely. Lows 27 to 35.
Chance of precipitation 60 percent.
.SATURDAY...Mostly cloudy with a chance of snow showers, rain
showers and slight chance of thunderstorms. Highs 40 to 50.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain and snow
showers. Lows 25 to 33. Chance of precipitation 30 percent.
.SUNDAY...Mostly cloudy with a chance of snow showers and slight
chance of thunderstorms. Highs 42 to 52. Chance of precipitation
30 percent.
.SUNDAY NIGHT AND Memorial Day...Partly cloudy with a 20 percent
chance of thunderstorms and snow showers. Lows 26 to 34. Highs
44 to 54.
.MONDAY NIGHT...Partly cloudy. Lows 29 to 35.
.TUESDAY...Partly cloudy with a 20 percent chance of
thunderstorms and snow showers. Highs 48 to 58.

$$

COZ031-241215-
West Jackson and West Grand Counties Above 9000 Feet-
242 PM MDT Tue May 23 2017

.TONIGHT...Partly cloudy. Lows 30 to 36.
.WEDNESDAY...Mostly sunny. Highs 55 to 65. West winds 10 to
20 mph with gusts to around 30 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a 10 percent chance of rain showers after midnight.
Lows in the mid to upper 30s. Southwest winds 10 to 15 mph in the
evening becoming light.
.THURSDAY...Thunderstorms likely and chance of snow showers.
Highs 46 to 56. West winds 10 to 15 mph. Chance of precipitation
60 percent.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
and snow showers. Lows in the lower to mid 30s.
.FRIDAY...Rain showers likely, chance of thunderstorms and snow
showers. Highs 46 to 56. Chance of precipitation 60 percent.
.FRIDAY NIGHT...Rain showers likely and chance of snow showers.
Lows in the lower to mid 30s. Chance of precipitation 60 percent.
.SATURDAY...Mostly cloudy with a chance of rain showers, snow
showers and slight chance of thunderstorms. Highs 43 to 53.
Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow showers. Lows near 30.
.SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms
and snow showers. Highs 45 to 55.
.SUNDAY NIGHT AND Memorial Day...Partly cloudy with a 10 percent
chance of thunderstorms and snow showers. Lows near 30. Highs
48 to 58.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the lower 30s.
Highs 52 to 62.

$$



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