Active National Weather Service alert for Morrison, CO: Air Quality Alert. Air Quality Alert issued August 18 at 4:10PM MDT by NWS Denver CO Until Wed, 4:00 PM MDT.
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Morrison, CO weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Morrison, CO. Always follow local warnings and emergency instructions.

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Use current official weather information for Morrison, CO before making weather-sensitive plans.

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Weather status

Air Quality Alert

Air Quality Alert issued August 18 at 4:10PM MDT by NWS Denver CO Expires Wed, 4:00 PM MDT.

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What’s next

Hourly forecast

Morrison, CO

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Morrison, CO. Forecasts and alerts update from NOAA and the National Weather Service.

63°Mostly Sunny0% rain
62°Mostly Sunny0% rain
66°Sunny0% rain
71°Sunny0% rain
77°Sunny0% rain
80°Mostly Sunny0% rain
83°Slight Chance Showers And Thunderstorms20% rain
84°Slight Chance Showers And Thunderstorms20% rain

Next 24 hours

Rain Timeline

Highest chance 30%

Scattered precipitation is possible. The highest official hourly chance is 30%; check the radar before heading out.

0%None
0%None
0%None
0%None
0%None
0%None
20%Thunderstorms
20%Thunderstorms
20%Thunderstorms
30%Thunderstorms
30%Thunderstorms
30%Thunderstorms
13%None
13%None
13%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
88°61°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
30%
Wind
NE 3 to 8 mph
Sunrise
6:18 AM
Sunset
7:53 PM

Thu

92°63°

Sunny

Precipitation
4%
Wind
N 3 to 9 mph
Sunrise
6:19 AM
Sunset
7:52 PM

Fri

95°64°

Sunny

Precipitation
10%
Wind
NE 5 to 9 mph
Sunrise
6:20 AM
Sunset
7:50 PM

Sat

92°63°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
52%
Wind
NE 3 to 9 mph
Sunrise
6:20 AM
Sunset
7:49 PM

Sun

91°61°

Partly Sunny then Showers And Thunderstorms

Precipitation
77%
Wind
SW 7 mph
Sunrise
6:21 AM
Sunset
7:47 PM

Mon

88°60°

Partly Sunny then Showers And Thunderstorms Likely

Precipitation
71%
Wind
N 7 mph
Sunrise
6:22 AM
Sunset
7:46 PM

Tue

88°59°

Partly Sunny then Showers And Thunderstorms Likely

Precipitation
67%
Wind
SSE 7 mph
Sunrise
6:23 AM
Sunset
7:44 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel63°F
Use caution walking outside

Air Quality Alert is active. Review the official alert before going outside.

WindNW8 mph
Best walk timeBetter weather window: 7 AM–9 AM

Walking: 0% average rain chance, near 64°F, with winds near 5 mph. Review the active Air Quality Alert.

Official EPA AirNowLocal air qualityMorrison, CO
View AQI +
More weather details
Wind gustsNot reported
Rain now0%next hour
Humidity88%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure30.24 in
Visibility10.0 mi
Peak rain chance30%
Dew point59°F
Active alerts1

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Weather safety ↗

Unknown · Unknown

Air Quality Alert

Applies to: Broomfield, CO; Boulder, CO; Douglas, CO; Larimer, CO; Jefferson, CO; Weld, CO; Denver, CO; Adams, CO; Arapahoe, COIssued by: NWS Denver COAir Quality Alert issued August 18 at 4:10PM MDT by NWS Denver CO
Alert detailsThe Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Tuesday August 18 to 400 PM Wednesday August 19 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and sunny weather with light winds and limited potential for afternoon storms will allow ozone to reach levels that are Unhealthy for Sensitive Groups on Tuesday and Wednesday. The highest ozone concentrations are most likely in the southern and western portions of the Denver Metro area. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until at least 4 p.m. Wednesday, August 19, 2026. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone-pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion.
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