Outdoor conditions in

Boulder Canyon

South Dakota
Freeze WarningFreeze Warning issued October 15 at 1:51AM MDT until October 16 at 9:00AM MDT by NWS Rapid City SDOfficial NWS alert
Now
  1. 40°Partly Sunny1% rain78% humidityGusts 37 mph
  2. 41°Partly Sunny0% rain73% humidityGusts 31 mph
  3. 42°Mostly Sunny0% rain65% humidityGusts 32 mph
  4. 43°Mostly Sunny0% rain60% humidityGusts 36 mph
  5. 44°Mostly Sunny0% rain53% humidityGusts 39 mph
  6. 44°Mostly Sunny0% rain47% humidityGusts 40 mph
  7. 45°Mostly Sunny0% rain43% humidityGusts 41 mph
  8. 45°Mostly Sunny0% rain41% humidityGusts 43 mph
  9. 45°Mostly Sunny0% rain40% humidityGusts 41 mph
  10. 44°Mostly Sunny0% rain40% humidityGusts 41 mph
  11. 43°Sunny0% rain39% humidityGusts 40 mph
  12. 41°Partly Cloudy6% rain43% humidityGusts 38 mph
  13. 39°Partly Cloudy6% rain48% humidityGusts 38 mph
  14. 37°Mostly Cloudy6% rain56% humidityGusts 37 mph
  15. 37°Partly Cloudy5% rain56% humidityGusts 32 mph
  16. 36°Mostly Cloudy5% rain59% humidityGusts 31 mph
  17. 35°Partly Cloudy5% rain64% humidityGusts 28 mph
  18. 34°Partly Cloudy0% rain66% humidityGusts 26 mph
  19. 33°Partly Cloudy0% rain69% humidityGusts 24 mph
  20. 32°Mostly Clear0% rain69% humidityGusts 23 mph
  21. 31°Mostly Clear0% rain69% humidityGusts 21 mph
  22. 31°Mostly Clear0% rain66% humidityGusts 18 mph
  23. 30°Mostly Clear0% rain69% humidityGusts 16 mph
  24. 29°Sunny0% rain69% humidityGusts 13 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
53%
Humidity
39–100%
Wind
43 mph
Fri

Friday looks breezy.

Rain
0%
Humidity
23–69%
Wind
26 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
15–35%
Wind
20 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
30–56%
Wind
23 mph
Mon

Monday looks breezy.

Rain
0%
Humidity
27–58%
Wind
25 mph
  1. 47° / 35°Today has a real shower chance.53% rain · Humidity 39–100% · Wind 43 mph
  2. 53° / 29°Friday looks breezy.0% rain · Humidity 23–69% · Wind 26 mph
  3. 76° / 46°Saturday looks fairly quiet.0% rain · Humidity 15–35% · Wind 20 mph
  4. 61° / 46°Sunday looks fairly quiet.0% rain · Humidity 30–56% · Wind 23 mph
  5. 67° / 43°Monday looks breezy.0% rain · Humidity 27–58% · Wind 25 mph

Environmental watch

Air quality + smoke

Air quality

Rapid City area · Updated Thu 6:25 AM
18GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 6:45 AM

Air near ground18 · Good US AQI

Rain, in motion · Past four hours

Boulder Canyon 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 Canyon.

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?

Conditions could spread a fire quickly.

Wind, gusts, or the combination of dry air and wind raises the concern.

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

Gusts may reach 37 mph.

Humidity
78%
Wind
14 mph
Gusts
37 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 Rapid City area, about 27 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 Canyon, SD, 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.