Washington County, Iowa, United States

Last updated: 10:02 AM CDT · Refresh

21°C

Feels like 22°

Overcast

▲ 21° / ▼ 13°

Wind

5 mph NNE

Humidity

94%

Dew Point

19°

Pressure

29.14 inHg

Visibility

8 mi

UV Index

2.9

Cloud Cover

89%

Sunrise

6:52 AM

Sunset

7:07 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Washington County is currently overcast at 21°C. Precipitation is likely — peak probability 63% around 12 PM. Sunrise: 6:52AM · Sunset: 7:07PM.

30 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

47%

11 AM

18°

51%

12 PM

18°

63%

1 PM

17°

31%

2 PM

18°

48%

3 PM

18°

48%

4 PM

18°

47%

5 PM

17°

50%

6 PM

18°

47%

7 PM

18°

54%

8 PM

18°

54%

9 PM

17°

41%

10 PM

17°

41%

11 PM

17°

45%

12 AM

16°

42%

1 AM

16°

42%

2 AM

16°

43%

3 AM

16°

43%

4 AM

16°

34%

5 AM

16°

37%

6 AM

15°

41%

7 AM

15°

40%

8 AM

15°

45%

9 AM

14°

46%

7-Day Forecast

Today

21° 13°

Overcast with a 50% chance of rain.

Mon

18° 13°

Overcast with a 57% chance of rain.

Tue

16° 9°

Partly Cloudy with a 55% chance of rain.

Wed

20° 8°

Partly Cloudy.

Thu

21° 9°

Clear.

Fri

20° 13°

Clear.

Sat

21° 12°

Drizzle, 52% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Overcast 47% 5 mph NNE 94%

11 AM 18° Overcast 51% 8 mph NE 95%

12 PM 18° Overcast 63% 11 mph NE 95%

1 PM 17° Overcast 31% 12 mph NE 94%

2 PM 18° Overcast 48% 13 mph NE 92%

3 PM 18° Mostly Cloudy 48% 14 mph NE 90%

4 PM 18° Rain 47% 14 mph NE 88%

5 PM 17° Rain 50% 14 mph NE 88%

6 PM 18° Rain 47% 13 mph ENE 90%

7 PM 18° Rain 54% 13 mph ENE 90%

8 PM 18° Overcast 54% 14 mph ENE 90%

9 PM 17° Overcast 41% 14 mph ENE 90%

10 PM 17° Overcast 41% 14 mph ENE 90%

11 PM 17° Overcast 45% 14 mph ENE 89%

12 AM 16° Mostly Cloudy 42% 14 mph ENE 88%

1 AM 16° Mostly Cloudy 42% 13 mph NE 86%

2 AM 16° Overcast 43% 13 mph NE 86%

3 AM 16° Overcast 43% 12 mph NE 87%

4 AM 16° Overcast 34% 12 mph NE 88%

5 AM 16° Overcast 37% 12 mph NE 88%

6 AM 15° Overcast 41% 12 mph NE 88%

7 AM 15° Overcast 40% 12 mph ENE 88%

8 AM 15° Overcast 45% 12 mph NE 88%

9 AM 14° Overcast 46% 12 mph NE 88%

15-Day Forecast

Today

9/20

Overcast

50%

13°

21°

Mon

9/21

Overcast

57%

13°

18°

Tue

9/22

Partly Cloudy

55%

9°

16°

Wed

9/23

Partly Cloudy

8°

20°

Thu

9/24

Clear

9°

21°

Fri

9/25

Clear

17%

13°

20°

Sat

9/26

Drizzle

52%

12°

21°

Sun

9/27

Drizzle

43%

11°

23°

Mon

9/28

Clear

44%

13°

24°

Tue

9/29

Drizzle

51%

13°

22°

Wed

9/30

Drizzle

60%

13°

22°

Thu

10/1

Drizzle

60%

12°

22°

Fri

10/2

Drizzle

60%

11°

21°

Sat

10/3

Clear

60%

11°

21°

Sun

10/4

Drizzle

60%

10°

20°

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

14 AQI 2.6 µg/m³

O₃

Ground-level ozone

Dominant

30 AQI 32 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 30 Good 30 14

Tue 19 Good 19 9

Wed 16 Good 16 9

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 Sun Sep 20, 13:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE71 J/kg

MLCAPE12 J/kg

MUCAPE71 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index0.9

Kinematics

0–6 km Shear22 kt

0–1 km Shear4 kt

Eff. Shear—

0–1 km SRH15

0–3 km SRH57

Eff. SRH—

Storm Motion324° @ 18 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index29.7

Thermo & Levels

PWAT1.83 in

0–3 km LR4.6 °C/km

700–500 LR5.4 °C/km

Total Totals39.7

LCL972 hPa

LFC987 hPa

EL572 hPa

Freezing Lvl13,602 ft

Washington County, Iowa, United States

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