Plan 5 days Air + smoke Radar Outdoor planning 1 2
Now
Temperature Rain Humidity Gusts 35° 8 AM 57° 11 AM 68° 3 PM 69° 4 PM 63° 6 PM 49° 9 PM 44° 11 PM 42° 12 AM 33° 4 AM 31° 7 AM
77% 40% 24% 23% 30% 44% 52% 54% 65% 66%
6 mph 6 mph 6 mph 3 mph 3 mph 3 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph
Thu 8:00 AM 35° Sunny 0% rain 77% humidity Gusts 6 mph Thu 9:00 AM 41° Sunny 0% rain 65% humidity Gusts 6 mph Thu 10:00 AM 50° Sunny 0% rain 50% humidity Gusts 6 mph Thu 11:00 AM 57° Sunny 0% rain 40% humidity Gusts 3 mph Thu 12:00 PM 61° Sunny 0% rain 34% humidity Gusts 3 mph Thu 1:00 PM 65° Sunny 0% rain 29% humidity Gusts 3 mph Thu 2:00 PM 67° Sunny 0% rain 26% humidity Gusts 7 mph Thu 3:00 PM 68° Sunny 0% rain 24% humidity Gusts 7 mph Thu 4:00 PM 69° Sunny 0% rain 23% humidity Gusts 7 mph Thu 5:00 PM 67° Sunny 0% rain 23% humidity Gusts 9 mph Thu 6:00 PM 63° Mostly Clear 0% rain 30% humidity Gusts 9 mph Thu 7:00 PM 58° Mostly Clear 0% rain 36% humidity Gusts 9 mph Thu 8:00 PM 51° Clear 0% rain 42% humidity Gusts 7 mph Thu 9:00 PM 49° Clear 0% rain 44% humidity Gusts 7 mph Thu 10:00 PM 46° Clear 0% rain 49% humidity Gusts 7 mph Thu 11:00 PM 44° Mostly Clear 0% rain 52% humidity Gusts 9 mph Fri 12:00 AM 42° Mostly Clear 0% rain 54% humidity Gusts 9 mph Fri 1:00 AM 40° Mostly Clear 0% rain 56% humidity Gusts 9 mph Fri 2:00 AM 37° Mostly Clear 0% rain 61% humidity Gusts 9 mph Fri 3:00 AM 37° Mostly Clear 0% rain 61% humidity Gusts 9 mph Fri 4:00 AM 33° Mostly Clear 0% rain 65% humidity Gusts 9 mph Fri 5:00 AM 33° Mostly Clear 0% rain 66% humidity Gusts 9 mph Fri 6:00 AM 31° Sunny 0% rain 66% humidity Gusts 9 mph Fri 7:00 AM 31° Sunny 0% rain 66% humidity Gusts 9 mph 1 Next best time outsideThu 8:45 AM–9:00 PM 2 hours outside within this window Temperatures outside your comfort range, light wind, rain unlikely. Watch for: limited daylight. Not checked: air quality and UV. 2 Another good timeFri 6:00 AM–8:30 AM 2 hours outside within this window Temperatures outside your comfort range, light wind, rain unlikely. Watch for: cold stress, limited daylight. Not checked: air quality and UV.
A little farther out
The next five days
Today 69° 31°
Fri 72° 31°
Sat 74° 36°
Sun 72° 36°
Mon 70° 37°
Today Today looks fairly quiet.
Rain 0%
Humidity 23–77%
Wind 9 mph Fri Friday looks fairly quiet.
Rain 0%
Humidity 15–66%
Wind 10 mph Sat Saturday looks fairly quiet.
Rain 0%
Humidity 16–55%
Wind 12 mph Sun Sunday looks fairly quiet.
Rain 0%
Humidity 15–51%
Wind 10 mph Mon Monday looks fairly quiet.
Rain 5%
Humidity 17–46%
Wind 15 mph Today 69° / 31° Today looks fairly quiet. 0% rain · Humidity 23–77% · Wind 9 mph Fri 72° / 31° Friday looks fairly quiet. 0% rain · Humidity 15–66% · Wind 10 mph Sat 74° / 36° Saturday looks fairly quiet. 0% rain · Humidity 16–55% · Wind 12 mph Sun 72° / 36° Sunday looks fairly quiet. 0% rain · Humidity 15–51% · Wind 10 mph Mon 70° / 37° Monday looks fairly quiet. 5% rain · Humidity 17–46% · Wind 15 mph Environmental watch
Air quality + smoke Air-quality update is taking a moment We don’t have a fresh local reading right now.
Sky check
No plume detected overhead Satellite view · Updated Thu 5:45 AM Air near ground No fresh reading right now
Rain, in motion · Past four hours
Grass Valley radar
Ready when you are See what is moving toward Grass Valley. Watch the last four hours of rain, then search any nearby trail, lake, or address.
Radar animation for Grass Valley, covering the past four hours. A marked spot changes the map view, not the forecast on this page.
Outdoor fire check
Thinking about a backyard fire? Lower-concern hours fall overnight. No lower-concern three-hour stretch between 9 AM and 11 PM appears in this outlook.
Next 12 hours Choose a time to see what is driving the concern.
Now Lower concern 9 AM Lower concern 10 AM Lower concern 11 AM Use caution 12 PM Use caution 1 PM Use caution 2 PM Use caution 3 PM Use caution 4 PM Use caution 5 PM Use caution 6 PM Use caution 7 PM Use caution Selected time Now Lower weather concern Humidity is 77% with light wind and gusts below 7 mph.
Humidity 77%
Wind 5 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 readings Sources and local limits Weather Forecasts, alerts, and radar come from NOAA and the National Weather Service.
Air quality This reading describes the nearest reporting area. Conditions can differ at this exact spot.
Smoke Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.