Outdoor conditions in

Erwin

South Dakota
Now
  1. 45°Chance Rain Showers47% rain96% humidityGusts 8 mph
  2. 46°Chance Rain Showers45% rain96% humidityGusts 10 mph
  3. 47°Chance Rain Showers46% rain96% humidityGusts 14 mph
  4. 49°Chance Rain Showers36% rain93% humidityGusts 17 mph
  5. 50°Chance Rain Showers25% rain89% humidityGusts 22 mph
  6. 51°Slight Chance Rain Showers15% rain83% humidityGusts 25 mph
  7. 52°Mostly Cloudy10% rain74% humidityGusts 30 mph
  8. 53°Mostly Cloudy6% rain64% humidityGusts 35 mph
  9. 51°Partly Sunny1% rain61% humidityGusts 37 mph
  10. 50°Partly Sunny2% rain61% humidityGusts 39 mph
  11. 47°Mostly Cloudy3% rain65% humidityGusts 39 mph
  12. 45°Mostly Cloudy9% rain70% humidityGusts 38 mph
  13. 44°Mostly Cloudy14% rain76% humidityGusts 37 mph
  14. 42°Mostly Cloudy14% rain86% humidityGusts 37 mph
  15. 42°Cloudy13% rain82% humidityGusts 37 mph
  16. 41°Slight Chance Rain Showers21% rain89% humidityGusts 36 mph
  17. 41°Slight Chance Rain Showers24% rain89% humidityGusts 35 mph
  18. 41°Chance Rain Showers25% rain93% humidityGusts 35 mph
  19. 41°Chance Rain Showers33% rain89% humidityGusts 37 mph
  20. 41°Chance Rain Showers29% rain89% humidityGusts 40 mph
  21. 40°Cloudy13% rain89% humidityGusts 44 mph
  22. 39°Cloudy4% rain85% humidityGusts 44 mph
  23. 39°Cloudy2% rain82% humidityGusts 43 mph
  24. 39°Cloudy1% rain79% humidityGusts 40 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
57%
Humidity
61–96%
Wind
39 mph
Fri

Friday looks breezy.

Rain
33%
Humidity
46–93%
Wind
44 mph
Sat

Saturday looks breezy.

Rain
0%
Humidity
36–85%
Wind
35 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
38–74%
Wind
30 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
40–79%
Wind
17 mph
  1. 53° / 41°Today has a real shower chance.57% rain · Humidity 61–96% · Wind 39 mph
  2. 49° / 35°Friday looks breezy.33% rain · Humidity 46–93% · Wind 44 mph
  3. 61° / 34°Saturday looks breezy.0% rain · Humidity 36–85% · Wind 35 mph
  4. 65° / 44°Sunday looks breezy.0% rain · Humidity 38–74% · Wind 30 mph
  5. 66° / 43°Monday looks fairly quiet.0% rain · Humidity 40–79% · Wind 17 mph

Environmental watch

Air quality + smoke

Air quality

Watertown area · Updated Thu 7:25 AM
31GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground31 · Good US AQI

Rain, in motion · Past four hours

Erwin radar

Ready when you areSee what is moving toward Erwin.

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 timeNowLower weather concern

Humidity is 96% with light wind and gusts below 9 mph.

Humidity
96%
Wind
5 mph
Gusts
8 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 Watertown area, about 32 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 Erwin, 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.