Boulder County Weather and Climate Synopsis



Click on button above to view CO Watches/Warnings/Special Wx Statements. Boulder County, CO Weather and Climate Synopsis To access other UK Agricultural Weather Center Pages use the pull-down menu below.

(Click image to zoom) or Click Here

36 Hr. Forecast Map
All Radar images NOAA/UKAWC
Satellite images from NOAA

Weather Summary

Hourly Observations

Nowcast

Agricultural Weather Outlook

7 Day Forecast

Medium & Long Range Outlook

Almanac

Historical Facts


US Weekly Rainfall Departure		US Weekly Temperature Departure

Also see:
Satellite Images of the Day All NWS Radars NWS Watch/Warning Maps UKAWC Regional Degree Day Maps 7-Day Dep. from Normal Rainfall Map 7-Day Dep. from Normal Temp. Map	Desktop Severe Weather Info US Weather at a Glance Learning About Weather State Crop/Weather Reports Crop Moisture Index (JAWF) Palmer Drought Index(NOAA) State Climatology Office

A joint service of the UK Ag Weather Center and the National Weather Service.


National Weather Service Denver/Boulder CO
1203 AM MDT Fri Apr 19 2024

.KEY MESSAGES...

- Cool and cloudy with rounds of snow through Saturday morning.

- Best chance of accumulating snow Friday afternoon into Saturday
  morning.

- Drier and warmer early next week.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, Hourly Obs., [2nd Source TWC]

BOULDER County, Colorado Agriculture, Lawn & Garden Weather Advisory

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook
Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Regional Hourly Observations For BOULDER County
100 AM MDT FRI APR 19 2024

...NORTHERN COLORADO FRONT RANGE... CITY SKY/WX TMP DP RH WIND PRES REMARKS DENVER INTL AP CLOUDY 33 31 92 E12 30.21F FOG WCI 24 AURORA LGT SNOW 33 31 92 SE8 30.19F FOG WCI 27 WATKINS NOT AVBL ERIE CLOUDY 34 32 93 CALM 30.22F BOULDER RAIN 32 32 100 CALM 30.22S CENTENNIAL CLOUDY 33 31 92 CALM 30.19F BROOMFIELD CLOUDY 32 32 100 E5 30.21F WCI 27 FORT COLLINS CLOUDY 34 30 85 SE3 30.23F LONGMONT CLOUDY 36 32 88 CALM 30.25S

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel
Current Agricultural Weather Conditions in Colorado
Based on observations at 100am MDT, Friday April 19, 2024

Across Colorado...temperatures are near 60 degrees west, near 33 degrees central, and near 44 degrees east. Current sky conditions are fair west, cloudy central, and cloudy east. In the west, relative humidity is near 28%, and the dew point is near 27 degrees. In the central part of the state, relative humidity is near 92%, and the dew point is near 31 degrees. In the east, relative humidity is near 43%, and the dew point is near 23 degrees. There is patchy fog central. Winds are from the west at 7 mph west, where conditions are favorable for spraying. Winds are from the east at 12 mph central, where conditions are favorable for spraying. The wind chill is near 24 degrees central. Winds are from the east at 10 mph east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 60 degrees at GRAND JUNCTION. The lowest temperature is 28 degrees at CRAIG and COTTONWOOD PAS.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For BOULDER County,CO

1104 AM MDT Thu Apr 18 2024 DAY ONE Today and Tonight Scattered light snow showers will continue in the mountains through tonight, with widely scattered rain and snow showers over the plains. A few places in the mountains will get an inch or two of snow accumulation, with no accumulation expected on the plains. DAYS TWO THROUGH SEVEN Friday through Wednesday Unsettled weather pattern with periods of showers across the mountains and plains through Saturday. Rain changes to snow Friday night for the lower elevations. Best chances for accumulating snow will be Friday night through Saturday. Light accumulations for the lower elevations with moderate amounts for the Front Range mountains/foothills and central mountains. SPOTTER INFORMATION STATEMENT Spotter activation will not be needed today or tonight.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For BOULDER County, CO
1035 PM MDT Thu Apr 18 2024 REST OF TONIGHT
Mostly cloudy with a 30 percent chance of snow showers. Lows 22 to 28.
FRIDAY
Chance of snow showers in the morning, then snow showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs 34 to 44. Northeast winds 10 to 15 mph in the afternoon. Chance of snow 60 percent.
FRIDAY NIGHT
Snow showers likely and slight chance of thunderstorms in the evening, then snow showers likely after midnight. Snow accumulation of 3 to 6 inches. Lows 22 to 28. Chance of snow 70 percent.
SATURDAY
Snow showers, rain showers likely and slight chance of thunderstorms. Highs 36 to 46. Chance of precipitation 60 percent.
SATURDAY NIGHT
Mostly cloudy with a slight chance of thunderstorms and snow showers. Lows 24 to 30. Chance of snow 10 percent.
SUNDAY
Partly cloudy with a 20 percent chance of thunderstorms. Highs 54 to 64.
SUNDAY NIGHT
Mostly cloudy with a 30 percent chance of rain showers. Lows 35 to 43.
MONDAY
Partly cloudy with a 20 percent chance of thunderstorms. Windy. Highs 54 to 64.
MONDAY NIGHT
Partly cloudy with a 10 percent chance of rain showers. Lows 26 to 36.
TUESDAY
Partly cloudy with a 20 percent chance of thunderstorms. Highs 50 to 58.
TUESDAY NIGHT
Partly cloudy with a 20 percent chance of rain showers. Lows 32 to 40.
WEDNESDAY
Partly cloudy with a 20 percent chance of thunderstorms. Warmer. Highs 60 to 70.
WEDNESDAY NIGHT
Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 45.
THURSDAY
Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of rain 30 percent.
12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2
Medium & Long Range Outlook For Colorado COLORADO --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY APR 24-28 APR 26-MAY 2 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Precipitation: .... Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Historical Weather And Climate Facts For Today

APRIL 19TH HISTORIC WEATHER EVENTS ...1775... The first engagement of the Revolutionary War took place under clear crisp weather at Lexington-Concord. (Sandra and TI Richard Sanders - 1987) ...1941... The temperature at Sodus NY soared to 95 degrees. The next day Albany NY reported a record for April of 93 degrees. (The Weather Channel) ...1973... Glenrock WY received 41 inches of snow in just 24 hours, and a storm total of 58 inches, to establish two state records. (18th-20th) (David Ludlum) (The Weather Channel) ...1976... The northeastern U.S. was in the midst of an early season heat wave, and the Boston Marathon took place in 90 degree heat. At Providence RI the mercury hit 98 degrees. (David Ludlum)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky