Outdoor conditions in

Alton

Missouri

Outdoor planning

Now
  1. 67°Mostly Cloudy14% rain100% humidityGusts 10 mph
  2. 68°Mostly Cloudy13% rain100% humidityGusts 12 mph
  3. 72°Chance Showers And Thunderstorms38% rain97% humidityGusts 14 mph
  4. 76°Mostly Cloudy13% rain90% humidityGusts 15 mph
  5. 80°Chance Showers And Thunderstorms31% rain79% humidityGusts 17 mph
  6. 82°Chance Showers And Thunderstorms33% rain72% humidityGusts 18 mph
  7. 85°Mostly Sunny14% rain63% humidityGusts 18 mph
  8. 87°Mostly Sunny10% rain57% humidityGusts 17 mph
  9. 87°Mostly Sunny11% rain55% humidityGusts 18 mph
  10. 86°Mostly Sunny11% rain55% humidityGusts 21 mph
  11. 84°Slight Chance Showers And Thunderstorms18% rain59% humidityGusts 21 mph
  12. 80°Slight Chance Showers And Thunderstorms15% rain65% humidityGusts 20 mph
  13. 77°Slight Chance Showers And Thunderstorms21% rain74% humidityGusts 17 mph
  14. 75°Slight Chance Showers And Thunderstorms17% rain79% humidityGusts 15 mph
  15. 73°Slight Chance Showers And Thunderstorms16% rain84% humidityGusts 14 mph
  16. 72°Slight Chance Rain Showers20% rain84% humidityGusts 17 mph
  17. 70°Chance Rain Showers32% rain90% humidityGusts 18 mph
  18. 67°Chance Rain Showers33% rain93% humidityGusts 28 mph
  19. 63°Chance Rain Showers29% rain90% humidityGusts 28 mph
  20. 60°Chance Rain Showers26% rain90% humidityGusts 29 mph
  21. 58°Slight Chance Rain Showers20% rain90% humidityGusts 29 mph
  22. 56°Slight Chance Rain Showers16% rain90% humidityGusts 30 mph
  23. 55°Slight Chance Rain Showers17% rain83% humidityGusts 30 mph
  24. 54°Mostly Cloudy12% rain83% humidityGusts 29 mph

No suitable complete window was found within these hours. Try a shorter visit or a wider search.

Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
38%
Humidity
55–100%
Wind
21 mph
Fri

Friday looks breezy.

Rain
33%
Humidity
49–93%
Wind
30 mph
Sat

Saturday looks fairly quiet.

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

Sunday looks fairly quiet.

Rain
0%
Humidity
34–100%
Wind
9 mph
Mon

Monday looks fairly quiet.

Rain
0%
Humidity
35–100%
Wind
8 mph
  1. 87° / 66°Today looks fairly quiet.38% rain · Humidity 55–100% · Wind 21 mph
  2. 67° / 45°Friday looks breezy.33% rain · Humidity 49–93% · Wind 30 mph
  3. 63° / 41°Saturday looks fairly quiet.0% rain · Humidity 38–96% · Wind 20 mph
  4. 67° / 34°Sunday looks fairly quiet.0% rain · Humidity 34–100% · Wind 9 mph
  5. 72° / 38°Monday looks fairly quiet.0% rain · Humidity 35–100% · Wind 8 mph

Environmental watch

Air quality + smoke

Air quality

Bonne Terre area · Updated Thu 7:25 AM
6GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 1:46 AM

Air near ground6 · 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
100%
Wind
3 mph
Gusts
10 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 Bonne Terre area, about 99 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, MO, 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.