Outdoor conditions in

Boulder

Colorado
Winter Weather AdvisoryWinter Weather Advisory issued October 15 at 3:12AM MDT until October 15 at 9:00AM MDT by NWS Denver COOfficial NWS alert
Now
  1. 40°Rain Showers Likely56% rain100% humidityGusts 6 mph
  2. 41°Rain Showers Likely56% rain100% humidityGusts 9 mph
  3. 43°Rain Showers Likely57% rain96% humidityGusts 13 mph
  4. 48°Rain Showers Likely57% rain74% humidityGusts 15 mph
  5. 49°Rain Showers Likely57% rain68% humidityGusts 21 mph
  6. 50°Cloudy14% rain63% humidityGusts 22 mph
  7. 53°Mostly Cloudy14% rain57% humidityGusts 22 mph
  8. 54°Mostly Cloudy14% rain52% humidityGusts 18 mph
  9. 54°Mostly Cloudy4% rain52% humidityGusts 18 mph
  10. 55°Partly Sunny4% rain49% humidityGusts 15 mph
  11. 53°Mostly Sunny4% rain50% humidityGusts 12 mph
  12. 51°Mostly Clear0% rain50% humidityGusts 6 mph
  13. 49°Mostly Clear0% rain52% humidityGusts 6 mph
  14. 44°Clear0% rain60% humidityGusts 6 mph
  15. 43°Clear0% rain60% humidityGusts 7 mph
  16. 41°Clear0% rain59% humidityGusts 6 mph
  17. 39°Clear0% rain62% humidityGusts 6 mph
  18. 38°Mostly Clear0% rain64% humidityGusts 6 mph
  19. 38°Mostly Clear0% rain62% humidityGusts 6 mph
  20. 37°Mostly Clear0% rain61% humidityGusts 3 mph
  21. 35°Mostly Clear0% rain66% humidityGusts 6 mph
  22. 32°Mostly Clear0% rain72% humidityGusts 6 mph
  23. 32°Mostly Clear0% rain69% humidityGusts 3 mph
  24. 31°Sunny0% rain78% humidityGusts 3 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
57%
Humidity
49–100%
Wind
22 mph
Fri

Friday looks fairly quiet.

Rain
0%
Humidity
30–78%
Wind
12 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
19–57%
Wind
14 mph
Sun

Sunday looks fairly quiet.

Rain
1%
Humidity
21–48%
Wind
14 mph
Mon

Monday looks fairly quiet.

Rain
1%
Humidity
28–58%
Wind
10 mph
  1. 55° / 39°Today has a real shower chance.57% rain · Humidity 49–100% · Wind 22 mph
  2. 59° / 30°Friday looks fairly quiet.0% rain · Humidity 30–78% · Wind 12 mph
  3. 76° / 38°Saturday looks fairly quiet.0% rain · Humidity 19–57% · Wind 14 mph
  4. 73° / 45°Sunday looks fairly quiet.1% rain · Humidity 21–48% · Wind 14 mph
  5. 72° / 44°Monday looks fairly quiet.1% rain · Humidity 28–58% · Wind 10 mph

Environmental watch

Air quality + smoke

Air quality

Denver-Boulder area · Updated Thu 6:25 AM
43GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 6:45 AM

Air near ground43 · Good US AQI

Rain, in motion · Past four hours

Boulder radar

An active official alert is in effect. Its affected area is described above the briefing.

Ready when you areSee what is moving toward Boulder.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Thunder is possible.

Humidity
100%
Wind
3 mph
Gusts
6 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Denver-Boulder area, about 14 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Boulder, CO, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.