Right now81°Clear
Outside today
Storms may interrupt the day.
Thunder chances reach 33% within the next 12 hours.
- Rain
- 36%peak today
- Wind
- 9 mphgusts to 21
- Air
- 28Modeled US AQI · Good
How today changes
The next 24 hours
Thunderstorms may interrupt the day, with the strongest signal in the next 12 hours.
- 72°15% rainGusts 15 mph
- 73°25% rainGusts 16 mph
- 72°31% rainGusts 18 mph
- 72°36% rainGusts 21 mph
- 72°28% rainGusts 18 mph
- 70°20% rainGusts 16 mph
- 69°12% rainGusts 13 mph
- 66°11% rainGusts 12 mph
- 63°9% rainGusts 12 mph
- 61°8% rainGusts 12 mph
- 60°6% rainGusts 12 mph
- 59°4% rainGusts 12 mph
- 59°2% rainGusts 9 mph
- 58°2% rainGusts 9 mph
- 58°3% rainGusts 9 mph
- 58°3% rainGusts 9 mph
- 57°2% rainGusts 9 mph
- 58°1% rainGusts 9 mph
- 58°0% rainGusts 6 mph
- 59°0% rainGusts 6 mph
- 62°0% rainGusts 6 mph
- 65°0% rainGusts 3 mph
- 68°0% rainGusts 3 mph
- 69°1% rainGusts 6 mph
See the full 24 hours
- 72°15% rainGusts 15 mph
- 73°25% rainGusts 16 mph
- 72°31% rainGusts 18 mph
- 72°36% rainGusts 21 mph
- 72°28% rainGusts 18 mph
- 70°20% rainGusts 16 mph
- 69°12% rainGusts 13 mph
- 66°11% rainGusts 12 mph
- 63°9% rainGusts 12 mph
- 61°8% rainGusts 12 mph
- 60°6% rainGusts 12 mph
- 59°4% rainGusts 12 mph
- 59°2% rainGusts 9 mph
- 58°2% rainGusts 9 mph
- 58°3% rainGusts 9 mph
- 58°3% rainGusts 9 mph
- 57°2% rainGusts 9 mph
- 58°1% rainGusts 9 mph
- 58°0% rainGusts 6 mph
- 59°0% rainGusts 6 mph
- 62°0% rainGusts 6 mph
- 65°0% rainGusts 3 mph
- 68°0% rainGusts 3 mph
- 69°1% rainGusts 6 mph
A little farther out
The next five days
Today carries a thunderstorm chance.
- Rain
- 36%
- Wind
- 21 mph
Monday carries a thunderstorm chance.
- Rain
- 67%
- Wind
- 12 mph
Tuesday looks fairly quiet.
- Rain
- 28%
- Wind
- 12 mph
Wednesday looks fairly quiet.
- Rain
- 11%
- Wind
- 14 mph
Thursday looks fairly quiet.
- Rain
- 20%
- Wind
- 14 mph
- 73° / 59°Today carries a thunderstorm chance.36% rain · Wind 21 mph
- 70° / 56°Monday carries a thunderstorm chance.67% rain · Wind 12 mph
- 71° / 54°Tuesday looks fairly quiet.28% rain · Wind 12 mph
- 73° / 53°Wednesday looks fairly quiet.11% rain · Wind 14 mph
- 74° / 54°Thursday looks fairly quiet.20% rain · Wind 14 mph
Environmental watch
Air quality + smoke
Air quality
cams-global:100:-263 area · Updated Sun 12:02 PMGood through 4 PM.
Sky check
No smoke overhead
Satellite view · Updated Sun 11:38 AMAir near ground28 · Good US AQI
See smoke mapHow we know
Air quality describes cams-global:100:-263 area.
Smoke comes from a satellite view overhead. It shows smoke in the sky, not how much has reached breathing level.
Sources Open-Meteo · Copernicus Atmosphere Monitoring Service global modeled air quality · NOAA Hazard Mapping System · satellite-observed smoke · National Weather Service · hourly weather and alerts · NIFC WFIGS · current interagency fire perimeters
Rain, in motion
Boulder radar
Four recent hours, ending at Sun, 12:20 PM MDT.
Radar loads when you reach it.
LightHeavy
The map shows NOAA/NWS base reflectivity around Boulder for the selected time. Brighter colors indicate stronger radar returns; the timeline above provides the rain outlook without requiring the map.
Plan around it
Find your best time in Boulder.
Pick an activity and we’ll check the conditions.
Sources and limits
Weather observations, forecasts, alerts, and radar come from official NOAA and National Weather Service sources. Environmental sections keep their own source labels and update times. The default view represents Boulder, CO, not every street.