Washington County, Iowa, United States

Last updated: 11:22 AM CDT · Refresh

16°C

Feels like 13°

Overcast

▲ 16° / ▼ 12°

Wind

11 mph ENE

Humidity

87%

Dew Point

14°

Pressure

29.32 inHg

Visibility

6 mi

UV Index

2.6

Cloud Cover

96%

Sunrise

6:53 AM

Sunset

7:05 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Washington County is currently overcast at 16°C. Precipitation is likely — peak probability 70% around 12 AM. Sunrise: 6:53AM · Sunset: 7:05PM.

19 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

16°

45%

12 PM

14°

33%

1 PM

16°

52%

2 PM

16°

54%

3 PM

16°

51%

4 PM

15°

58%

5 PM

16°

57%

6 PM

16°

62%

7 PM

15°

66%

8 PM

15°

66%

9 PM

14°

66%

10 PM

14°

66%

11 PM

14°

66%

12 AM

14°

70%

1 AM

13°

66%

2 AM

13°

66%

3 AM

13°

65%

4 AM

13°

56%

5 AM

12°

55%

6 AM

13°

52%

7 AM

13°

52%

8 AM

13°

51%

9 AM

12°

43%

10 AM

13°

42%

7-Day Forecast

Today

16° 12°

Overcast with a 66% chance of rain.

Tue

14° 11°

Overcast with a 66% chance of rain.

Wed

22° 9°

Partly Cloudy.

Thu

21° 11°

Mostly Cloudy with a 28% chance of rain.

Fri

21° 14°

Rain, 30% chance.

Sat

21° 14°

Rain, 64% chance.

Sun

23° 15°

Clear with a 22% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 16° Overcast 45% 11 mph ENE 87%

12 PM 14° Overcast 33% 10 mph ENE 87%

1 PM 16° Overcast 52% 10 mph ENE 88%

2 PM 16° Overcast 54% 10 mph ENE 89%

3 PM 16° Overcast 51% 10 mph ENE 90%

4 PM 15° Rain 58% 10 mph ENE 90%

5 PM 16° Overcast 57% 10 mph ENE 91%

6 PM 16° Overcast 62% 11 mph ENE 91%

7 PM 15° Overcast 66% 11 mph ENE 91%

8 PM 15° Overcast 66% 12 mph ENE 91%

9 PM 14° Overcast 66% 12 mph ENE 91%

10 PM 14° Overcast 66% 12 mph ENE 92%

11 PM 14° Overcast 66% 12 mph ENE 92%

12 AM 14° Rain 70% 11 mph NE 93%

1 AM 13° Rain 66% 11 mph NE 94%

2 AM 13° Rain 66% 11 mph NE 94%

3 AM 13° Overcast 65% 11 mph NE 94%

4 AM 13° Overcast 56% 11 mph NE 94%

5 AM 12° Overcast 55% 11 mph NE 95%

6 AM 13° Overcast 52% 11 mph NE 95%

7 AM 13° Overcast 52% 11 mph ENE 95%

8 AM 13° Overcast 51% 11 mph ENE 95%

9 AM 12° Overcast 43% 11 mph ENE 94%

10 AM 13° Overcast 42% 11 mph ENE 93%

15-Day Forecast

Today

9/21

Overcast

66%

12°

16°

Tue

9/22

Overcast

66%

11°

14°

Wed

9/23

Partly Cloudy

9°

22°

Thu

9/24

Mostly Cloudy

28%

11°

21°

Fri

9/25

Rain

30%

14°

21°

Sat

9/26

Rain

64%

14°

21°

Sun

9/27

Clear

22%

15°

23°

Mon

9/28

Drizzle

68%

16°

24°

Tue

9/29

Drizzle

68%

14°

24°

Wed

9/30

Drizzle

44%

14°

23°

Thu

10/1

Drizzle

60%

12°

23°

Fri

10/2

Drizzle

60%

12°

22°

Sat

10/3

Drizzle

60%

11°

20°

Sun

10/4

Drizzle

60%

11°

19°

Mon

10/5

Drizzle

60%

11°

21°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

6 AQI 1.2 µg/m³

O₃

Ground-level ozone

Dominant

19 AQI 21 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Tue 19 Good 19 6

Wed 19 Good 19 10

Thu 29 Good 29 15

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Mon Sep 21, 15:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE15 J/kg

MUCAPE11 J/kg

SBCIN-0 J/kg

MLCIN0 J/kg

Lifted Index6.5

Kinematics

0–6 km Shear36 kt

0–1 km Shear8 kt

Eff. Shear—

0–1 km SRH31

0–3 km SRH81

Eff. SRH—

Storm Motion318° @ 13 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index27.7

Thermo & Levels

PWAT1.31 in

0–3 km LR3.3 °C/km

700–500 LR6.5 °C/km

Total Totals42.5

LCL969 hPa

LFC955 hPa

EL924 hPa

Freezing Lvl12,379 ft

Washington County, Iowa, United States

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