Outdoor conditions in

Alton

Iowa

Outdoor planning

Now
  1. 47°Rain Showers85% rain96% humidityGusts 8 mph
  2. 49°Rain Showers89% rain96% humidityGusts 9 mph
  3. 51°Rain Showers91% rain96% humidityGusts 10 mph
  4. 53°Rain Showers89% rain93% humidityGusts 12 mph
  5. 53°Rain Showers92% rain93% humidityGusts 14 mph
  6. 53°Rain Showers81% rain89% humidityGusts 16 mph
  7. 53°Rain Showers Likely72% rain89% humidityGusts 18 mph
  8. 54°Chance Rain Showers53% rain86% humidityGusts 20 mph
  9. 55°Chance Rain Showers34% rain83% humidityGusts 20 mph
  10. 53°Slight Chance Rain Showers22% rain89% humidityGusts 21 mph
  11. 54°Slight Chance Rain Showers18% rain83% humidityGusts 23 mph
  12. 54°Cloudy6% rain77% humidityGusts 23 mph
  13. 54°Mostly Cloudy2% rain69% humidityGusts 24 mph
  14. 51°Cloudy0% rain71% humidityGusts 25 mph
  15. 49°Mostly Cloudy0% rain71% humidityGusts 26 mph
  16. 47°Mostly Cloudy0% rain74% humidityGusts 24 mph
  17. 46°Partly Cloudy0% rain73% humidityGusts 25 mph
  18. 44°Partly Cloudy1% rain82% humidityGusts 24 mph
  19. 43°Partly Cloudy1% rain86% humidityGusts 24 mph
  20. 43°Mostly Cloudy1% rain89% humidityGusts 26 mph
  21. 43°Mostly Cloudy1% rain93% humidityGusts 28 mph
  22. 43°Mostly Cloudy1% rain93% humidityGusts 30 mph
  23. 42°Mostly Cloudy1% rain93% humidityGusts 32 mph
  24. 42°Mostly Cloudy2% rain93% humidityGusts 33 mph
Extra care for

A little farther out

The next five days

Today

Today looks wet for a meaningful stretch.

Rain
92%
Humidity
69–100%
Wind
26 mph
Fri

Friday looks breezy.

Rain
3%
Humidity
52–93%
Wind
35 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
40–100%
Wind
24 mph
Sun

Sunday looks breezy.

Rain
1%
Humidity
45–86%
Wind
25 mph
Mon

Monday looks fairly quiet.

Rain
2%
Humidity
50–96%
Wind
10 mph
  1. 55° / 46°Today looks wet for a meaningful stretch.92% rain · Humidity 69–100% · Wind 26 mph
  2. 51° / 36°Friday looks breezy.3% rain · Humidity 52–93% · Wind 35 mph
  3. 60° / 31°Saturday looks fairly quiet.0% rain · Humidity 40–100% · Wind 24 mph
  4. 65° / 43°Sunday looks breezy.1% rain · Humidity 45–86% · Wind 25 mph
  5. 67° / 47°Monday looks fairly quiet.2% rain · Humidity 50–96% · Wind 10 mph

Environmental watch

Air quality + smoke

Air quality

Sioux City area · Updated Thu 7:25 AM
7GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 1:46 AM

Air near ground7 · Good US AQI

Rain, in motion · Past four hours

Alton radar

Radar animation for Alton, 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
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 Sioux City area, about 37 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 Alton, 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.