Plan! needs attention 5 days Air + smoke Radar! needs attention Outdoor planning 1 2
Now
Temperature Rain Humidity Gusts 44° 8 AM 50° 11 AM 53° 3 PM 52° 4 PM 49° 6 PM 43° 9 PM 41° 11 PM 41° 12 AM 40° 4 AM 37° 7 AM
100% 93% 54% 52% 56% 70% 79% 82% 82% 82%
10 mph 14 mph 20 mph 25 mph 30 mph 33 mph 36 mph 39 mph 41 mph 43 mph 43 mph 39 mph 38 mph 38 mph 38 mph 37 mph 36 mph 36 mph 37 mph 38 mph 37 mph 37 mph 36 mph 32 mph
Thu 8:00 AM 44° Chance Rain Showers 53% rain 100% humidity Gusts 10 mph Thu 9:00 AM 45° Chance Rain Showers 47% rain 100% humidity Gusts 14 mph Thu 10:00 AM 48° Chance Rain Showers 38% rain 96% humidity Gusts 20 mph Thu 11:00 AM 50° Slight Chance Rain Showers 20% rain 93% humidity Gusts 25 mph Thu 12:00 PM 51° Mostly Cloudy 3% rain 86% humidity Gusts 30 mph Thu 1:00 PM 53° Mostly Cloudy 0% rain 71% humidity Gusts 33 mph Thu 2:00 PM 55° Mostly Cloudy 0% rain 57% humidity Gusts 36 mph Thu 3:00 PM 53° Mostly Sunny 0% rain 54% humidity Gusts 39 mph Thu 4:00 PM 52° Mostly Sunny 0% rain 52% humidity Gusts 41 mph Thu 5:00 PM 51° Mostly Sunny 0% rain 52% humidity Gusts 43 mph Thu 6:00 PM 49° Partly Cloudy 1% rain 56% humidity Gusts 43 mph Thu 7:00 PM 46° Partly Cloudy 3% rain 60% humidity Gusts 39 mph Thu 8:00 PM 44° Partly Cloudy 3% rain 65% humidity Gusts 38 mph Thu 9:00 PM 43° Mostly Cloudy 4% rain 70% humidity Gusts 38 mph Thu 10:00 PM 42° Mostly Cloudy 5% rain 73% humidity Gusts 38 mph Thu 11:00 PM 41° Cloudy 5% rain 79% humidity Gusts 37 mph Fri 12:00 AM 41° Cloudy 6% rain 82% humidity Gusts 36 mph Fri 1:00 AM 41° Cloudy 7% rain 82% humidity Gusts 36 mph Fri 2:00 AM 41° Cloudy 7% rain 79% humidity Gusts 37 mph Fri 3:00 AM 40° Mostly Cloudy 7% rain 82% humidity Gusts 38 mph Fri 4:00 AM 40° Mostly Cloudy 2% rain 82% humidity Gusts 37 mph Fri 5:00 AM 39° Mostly Cloudy 0% rain 79% humidity Gusts 37 mph Fri 6:00 AM 38° Mostly Cloudy 0% rain 79% humidity Gusts 36 mph Fri 7:00 AM 37° Mostly Cloudy 0% rain 82% humidity Gusts 32 mph 1 Next best time outsideThu 8:30 AM–1:00 PM 2 hours outside within this window Temperatures outside your comfort range, some wind, a chance of rain. Not checked: air quality and UV. 2 Another good timeFri 6:00 AM–8:15 AM 2 hours outside within this window Temperatures outside your comfort range, some wind, rain unlikely. Watch for: cold stress, limited daylight. Not checked: air quality and UV.
A little farther out
The next five days
Today 55° 41°
Fri 49° 35°
Sat 67° 33°
Sun 68° 44°
Mon 66° 41°
Today Today has a real shower chance.
Rain 67%
Humidity 52–100%
Wind 43 mph Fri Friday looks breezy.
Rain 7%
Humidity 42–82%
Wind 38 mph Sat Saturday looks breezy.
Rain 0%
Humidity 32–78%
Wind 30 mph Sun Sunday looks fairly quiet.
Rain 0%
Humidity 36–71%
Wind 21 mph Mon Monday looks fairly quiet.
Rain 0%
Humidity 43–86%
Wind 17 mph Today 55° / 41° Today has a real shower chance. 67% rain · Humidity 52–100% · Wind 43 mph Fri 49° / 35° Friday looks breezy. 7% rain · Humidity 42–82% · Wind 38 mph Sat 67° / 33° Saturday looks breezy. 0% rain · Humidity 32–78% · Wind 30 mph Sun 68° / 44° Sunday looks fairly quiet. 0% rain · Humidity 36–71% · Wind 21 mph Mon 66° / 41° Monday looks fairly quiet. 0% rain · Humidity 43–86% · Wind 17 mph Environmental watch
Air quality + smoke 19 Good US AQI No fresh outlook yet.
Sky check
No plume detected overhead Satellite view · Updated Thu 7:45 AM Air near ground 19 · Good US AQI
Rain, in motion · Past four hours
Gann Valley radar An active official alert is in effect. Its affected area is described above the briefing.
Ready when you are See what is moving toward Gann Valley. Watch the last four hours of rain, then search any nearby trail, lake, or address.
Radar animation for Gann 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? Conditions could spread a fire quickly. Wind, gusts, or the combination of dry air and wind raises the concern.
Next 12 hours Choose a time to see what is driving the concern.
Now Lower concern 9 AM Lower concern 10 AM Use caution 11 AM High concern 12 PM High concern 1 PM High concern 2 PM High concern 3 PM High concern 4 PM High concern 5 PM High concern 6 PM High concern 7 PM High concern Selected time Now Lower weather concern Humidity is 100% with light wind and gusts below 11 mph.
Humidity 100%
Wind 5 mph
Gusts 10 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 Pierre area, about 69 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.