Outdoor conditions in

Portsmouth

Iowa
Now
  1. 55°Rain Showers75% rain94% humidityGusts 18 mph
  2. 55°Rain Showers83% rain87% humidityGusts 21 mph
  3. 55°Rain Showers Likely71% rain84% humidityGusts 22 mph
  4. 56°Rain Showers Likely59% rain75% humidityGusts 24 mph
  5. 55°Chance Rain Showers47% rain75% humidityGusts 24 mph
  6. 55°Chance Rain Showers37% rain72% humidityGusts 25 mph
  7. 55°Chance Rain Showers27% rain67% humidityGusts 24 mph
  8. 53°Slight Chance Rain Showers18% rain71% humidityGusts 22 mph
  9. 49°Mostly Cloudy14% rain82% humidityGusts 24 mph
  10. 48°Partly Cloudy10% rain77% humidityGusts 28 mph
  11. 47°Mostly Clear4% rain71% humidityGusts 28 mph
  12. 45°Mostly Clear0% rain73% humidityGusts 30 mph
  13. 45°Mostly Clear0% rain73% humidityGusts 28 mph
  14. 43°Mostly Clear0% rain79% humidityGusts 25 mph
  15. 43°Partly Cloudy1% rain79% humidityGusts 26 mph
  16. 43°Partly Cloudy1% rain82% humidityGusts 28 mph
  17. 43°Mostly Cloudy1% rain82% humidityGusts 29 mph
  18. 42°Cloudy1% rain89% humidityGusts 31 mph
  19. 42°Cloudy2% rain89% humidityGusts 32 mph
  20. 42°Mostly Cloudy4% rain93% humidityGusts 33 mph
  21. 40°Mostly Cloudy4% rain96% humidityGusts 35 mph
  22. 42°Mostly Cloudy0% rain93% humidityGusts 36 mph
  23. 45°Mostly Cloudy0% rain79% humidityGusts 36 mph
  24. 46°Mostly Cloudy0% rain73% 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
67–100%
Wind
30 mph
Fri

Friday looks breezy.

Rain
4%
Humidity
44–96%
Wind
36 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
39–100%
Wind
21 mph
Sun

Sunday looks fairly quiet.

Rain
0%
Humidity
40–92%
Wind
24 mph
Mon

Monday looks fairly quiet.

Rain
2%
Humidity
45–100%
Wind
13 mph
  1. 56° / 45°Today looks wet for a meaningful stretch.99% rain · Humidity 67–100% · Wind 30 mph
  2. 52° / 37°Friday looks breezy.4% rain · Humidity 44–96% · Wind 36 mph
  3. 59° / 31°Saturday looks fairly quiet.0% rain · Humidity 39–100% · Wind 21 mph
  4. 64° / 40°Sunday looks fairly quiet.0% rain · Humidity 40–92% · Wind 24 mph
  5. 67° / 44°Monday looks fairly quiet.2% rain · Humidity 45–100% · Wind 13 mph

Environmental watch

Air quality + smoke

Air quality

Pisgah area · Updated Thu 11:26 AM
8GoodUS AQI

Good through Today.

Sky check

No plume detected overhead

Satellite view · Updated Thu 7:45 AM

Air near ground8 · Good US AQI

Rain, in motion · Past four hours

Portsmouth radar

Ready when you areSee what is moving toward Portsmouth.

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 12 mph. Gusts may reach 18 mph. Thunder is possible.

Humidity
94%
Wind
12 mph
Gusts
18 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 Pisgah area, about 24 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 Portsmouth, 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.