Outdoor conditions in

Jefferson

South Dakota
Now
  1. 50°Rain Showers94% rain96% humidityGusts 14 mph
  2. 51°Rain Showers94% rain96% humidityGusts 16 mph
  3. 52°Rain Showers90% rain93% humidityGusts 18 mph
  4. 52°Rain Showers86% rain89% humidityGusts 20 mph
  5. 53°Rain Showers78% rain86% humidityGusts 22 mph
  6. 53°Rain Showers Likely70% rain86% humidityGusts 25 mph
  7. 53°Chance Rain Showers49% rain83% humidityGusts 26 mph
  8. 53°Chance Rain Showers27% rain83% humidityGusts 28 mph
  9. 54°Slight Chance Rain Showers19% rain74% humidityGusts 31 mph
  10. 54°Mostly Cloudy11% rain66% humidityGusts 35 mph
  11. 53°Partly Cloudy5% rain64% humidityGusts 35 mph
  12. 51°Partly Cloudy0% rain61% humidityGusts 35 mph
  13. 49°Partly Cloudy0% rain61% humidityGusts 35 mph
  14. 47°Partly Cloudy0% rain65% humidityGusts 35 mph
  15. 46°Partly Cloudy1% rain68% humidityGusts 32 mph
  16. 45°Partly Cloudy1% rain73% humidityGusts 29 mph
  17. 45°Partly Cloudy1% rain76% humidityGusts 28 mph
  18. 44°Mostly Cloudy1% rain79% humidityGusts 31 mph
  19. 44°Mostly Cloudy7% rain82% humidityGusts 35 mph
  20. 44°Cloudy3% rain82% humidityGusts 38 mph
  21. 43°Cloudy2% rain86% humidityGusts 39 mph
  22. 43°Cloudy2% rain82% humidityGusts 38 mph
  23. 43°Cloudy2% rain82% humidityGusts 38 mph
  24. 41°Mostly Cloudy2% rain86% humidityGusts 38 mph
Extra care for

A little farther out

The next five days

Today

Today looks wet for a meaningful stretch.

Rain
95%
Humidity
61–100%
Wind
35 mph
Fri

Friday looks breezy.

Rain
7%
Humidity
39–86%
Wind
39 mph
Sat

Saturday looks breezy.

Rain
0%
Humidity
35–96%
Wind
26 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
34–79%
Wind
24 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
40–96%
Wind
12 mph
  1. 54° / 46°Today looks wet for a meaningful stretch.95% rain · Humidity 61–100% · Wind 35 mph
  2. 53° / 38°Friday looks breezy.7% rain · Humidity 39–86% · Wind 39 mph
  3. 61° / 32°Saturday looks breezy.0% rain · Humidity 35–96% · Wind 26 mph
  4. 66° / 42°Sunday looks fairly quiet.0% rain · Humidity 34–79% · Wind 24 mph
  5. 68° / 44°Monday looks fairly quiet.0% rain · Humidity 40–96% · Wind 12 mph

Environmental watch

Air quality + smoke

Air quality

Sioux City area · Updated Thu 8:26 AM
7GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground7 · Good US AQI

Rain, in motion · Past four hours

Jefferson radar

Ready when you areSee what is moving toward Jefferson.

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 timeNowUse caution

Sustained wind is 10 mph. Thunder is possible.

Humidity
96%
Wind
10 mph
Gusts
14 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 Sioux City area, about 11 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 Jefferson, 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.