Outdoor conditions in

Duncan

Iowa

Outdoor planning

Now
  1. 55°Rain Showers98% rain93% humidityGusts 8 mph
  2. 55°Rain Showers100% rain90% humidityGusts 9 mph
  3. 55°Rain Showers99% rain90% humidityGusts 12 mph
  4. 54°Rain Showers98% rain90% humidityGusts 15 mph
  5. 54°Rain Showers95% rain83% humidityGusts 18 mph
  6. 54°Rain Showers91% rain80% humidityGusts 23 mph
  7. 53°Rain Showers85% rain80% humidityGusts 23 mph
  8. 54°Rain Showers Likely74% rain77% humidityGusts 23 mph
  9. 54°Rain Showers Likely60% rain74% humidityGusts 22 mph
  10. 51°Chance Rain Showers44% rain86% humidityGusts 21 mph
  11. 48°Chance Rain Showers31% rain89% humidityGusts 25 mph
  12. 47°Mostly Cloudy14% rain86% humidityGusts 29 mph
  13. 46°Partly Cloudy2% rain79% humidityGusts 31 mph
  14. 44°Partly Cloudy2% rain82% humidityGusts 29 mph
  15. 44°Mostly Cloudy2% rain79% humidityGusts 28 mph
  16. 44°Mostly Cloudy1% rain79% humidityGusts 28 mph
  17. 43°Mostly Cloudy4% rain86% humidityGusts 29 mph
  18. 43°Mostly Cloudy10% rain86% humidityGusts 30 mph
  19. 43°Cloudy12% rain86% humidityGusts 31 mph
  20. 41°Slight Chance Rain Showers22% rain89% humidityGusts 33 mph
  21. 41°Slight Chance Rain Showers19% rain93% humidityGusts 36 mph
  22. 41°Chance Rain Showers27% rain93% humidityGusts 37 mph
  23. 40°Chance Rain Showers30% rain100% humidityGusts 39 mph
  24. 43°Slight Chance Rain Showers19% rain93% humidityGusts 41 mph
Extra care for

A little farther out

The next five days

Today

Today looks wet for a meaningful stretch.

Rain
100%
Humidity
74–95%
Wind
31 mph
Fri

Friday looks breezy.

Rain
30%
Humidity
50–100%
Wind
41 mph
Sat

Saturday looks breezy.

Rain
0%
Humidity
38–96%
Wind
25 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
37–85%
Wind
30 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
42–96%
Wind
13 mph
  1. 55° / 44°Today looks wet for a meaningful stretch.100% rain · Humidity 74–95% · Wind 31 mph
  2. 50° / 37°Friday looks breezy.30% rain · Humidity 50–100% · Wind 41 mph
  3. 57° / 29°Saturday looks breezy.0% rain · Humidity 38–96% · Wind 25 mph
  4. 64° / 40°Sunday looks breezy.0% rain · Humidity 37–85% · Wind 30 mph
  5. 67° / 43°Monday looks fairly quiet.0% rain · Humidity 42–96% · Wind 13 mph

Environmental watch

Air quality + smoke

Air quality

Waterloo area · Updated Thu 10:25 AM
16GoodUS AQI

Good through 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground16 · Good US AQI

Rain, in motion · Past four hours

Duncan radar

Radar animation for Duncan, 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?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

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

Thunder is possible.

Humidity
93%
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.

Nearby regional view

Explore Mason City

About 23 miles away, the Mason City hub looks more deeply at Mason City, IA. It reflects that wider area rather than Duncan’s exact conditions.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Waterloo area, about 78 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 Duncan, IA, 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.