Outdoor conditions in

Johnston

Iowa
Now
  1. 61°Rain Showers96% rain93% humidityGusts 9 mph
  2. 61°Rain Showers91% rain93% humidityGusts 10 mph
  3. 60°Rain Showers90% rain93% humidityGusts 14 mph
  4. 60°Rain Showers84% rain90% humidityGusts 17 mph
  5. 60°Rain Showers75% rain84% humidityGusts 22 mph
  6. 57°Rain Showers Likely63% rain86% humidityGusts 26 mph
  7. 57°Rain Showers Likely59% rain83% humidityGusts 28 mph
  8. 57°Chance Rain Showers36% rain80% humidityGusts 26 mph
  9. 54°Chance Rain Showers32% rain90% humidityGusts 25 mph
  10. 53°Slight Chance Rain Showers22% rain89% humidityGusts 26 mph
  11. 52°Slight Chance Rain Showers19% rain93% humidityGusts 25 mph
  12. 52°Mostly Cloudy7% rain89% humidityGusts 29 mph
  13. 51°Mostly Cloudy5% rain83% humidityGusts 29 mph
  14. 50°Partly Cloudy2% rain77% humidityGusts 28 mph
  15. 48°Mostly Clear1% rain77% humidityGusts 26 mph
  16. 47°Partly Cloudy0% rain79% humidityGusts 26 mph
  17. 46°Partly Cloudy0% rain86% humidityGusts 28 mph
  18. 46°Mostly Cloudy1% rain86% humidityGusts 28 mph
  19. 45°Mostly Cloudy3% rain89% humidityGusts 30 mph
  20. 45°Mostly Cloudy4% rain89% humidityGusts 31 mph
  21. 45°Mostly Cloudy6% rain93% humidityGusts 33 mph
  22. 45°Mostly Cloudy7% rain93% humidityGusts 35 mph
  23. 46°Mostly Cloudy5% rain93% humidityGusts 36 mph
  24. 48°Mostly Cloudy3% rain86% humidityGusts 36 mph
Extra care for

A little farther out

The next five days

Today

Today looks wet for a meaningful stretch.

Rain
99%
Humidity
80–95%
Wind
29 mph
Fri

Friday looks breezy.

Rain
7%
Humidity
61–93%
Wind
37 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
47–100%
Wind
16 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
47–93%
Wind
22 mph
Mon

Monday looks fairly quiet.

Rain
1%
Humidity
53–100%
Wind
9 mph
  1. 61° / 51°Today looks wet for a meaningful stretch.99% rain · Humidity 80–95% · Wind 29 mph
  2. 52° / 42°Friday looks breezy.7% rain · Humidity 61–93% · Wind 37 mph
  3. 59° / 32°Saturday looks fairly quiet.0% rain · Humidity 47–100% · Wind 16 mph
  4. 66° / 41°Sunday looks fairly quiet.0% rain · Humidity 47–93% · Wind 22 mph
  5. 68° / 46°Monday looks fairly quiet.1% rain · Humidity 53–100% · Wind 9 mph

Environmental watch

Air quality + smoke

Air quality

Des Moines area · Updated Thu 11:26 AM
30GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground30 · Good US AQI

Rain, in motion · Past four hours

Johnston radar

Ready when you areSee what is moving toward Johnston.

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?

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
9 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 Des Moines-West Des Moines

About 8 miles away, the Des Moines-West Des Moines hub looks more deeply at Des Moines-West Des Moines, IA. It reflects that wider area rather than Johnston’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 Des Moines 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 Johnston, 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.