Louisa County, Iowa, United States

Last updated: 1:42 PM CDT · Refresh

20°C

Feels like 19°

Overcast

▲ 21° / ▼ 15°

Wind

12 mph NE

Humidity

91%

Dew Point

18°

Pressure

29.30 inHg

Visibility

10 mi

UV Index

3.0

Cloud Cover

95%

Sunrise

6:50 AM

Sunset

7:05 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Louisa County is currently overcast at 20°C. Precipitation is likely — peak probability 66% around 4 PM. Sunrise: 6:50AM · Sunset: 7:05PM.

31 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

40%

2 PM

19°

38%

3 PM

19°

56%

4 PM

18°

66%

5 PM

18°

17%

6 PM

18°

33%

7 PM

18°

35%

8 PM

18°

40%

9 PM

17°

26%

10 PM

17°

31%

11 PM

17°

22%

12 AM

17°

17%

1 AM

16°

18%

2 AM

16°

13%

3 AM

16°

14%

4 AM

16°

27%

5 AM

15°

33%

6 AM

15°

33%

7 AM

15°

33%

8 AM

16°

33%

9 AM

15°

33%

10 AM

15°

28%

11 AM

15°

28%

12 PM

16°

28%

7-Day Forecast

Today

21° 15°

Overcast with a 66% chance of rain.

Mon

19° 13°

Overcast with a 51% chance of rain.

Tue

16° 10°

Rain, 67% chance.

Wed

21° 7°

Partly Cloudy.

Thu

22° 10°

Clear.

Fri

21° 13°

Clear with a 43% chance of rain.

Sat

21° 13°

Drizzle, 52% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Overcast 40% 12 mph NE 91%

2 PM 19° Overcast 38% 12 mph NE 91%

3 PM 19° Overcast 56% 13 mph NE 92%

4 PM 18° Overcast 66% 13 mph NE 91%

5 PM 18° Overcast 17% 13 mph NE 90%

6 PM 18° Overcast 33% 13 mph NE 90%

7 PM 18° Overcast 35% 13 mph NE 89%

8 PM 18° Overcast 40% 13 mph ENE 89%

9 PM 17° Overcast 26% 13 mph ENE 89%

10 PM 17° Overcast 31% 13 mph NE 90%

11 PM 17° Overcast 22% 12 mph NE 91%

12 AM 17° Overcast 17% 12 mph NE 92%

1 AM 16° Overcast 18% 11 mph NE 91%

2 AM 16° Overcast 13% 11 mph NE 91%

3 AM 16° Overcast 14% 10 mph NE 90%

4 AM 16° Overcast 27% 10 mph ENE 90%

5 AM 15° Overcast 33% 11 mph ENE 89%

6 AM 15° Overcast 33% 11 mph ENE 88%

7 AM 15° Overcast 33% 11 mph ENE 88%

8 AM 16° Overcast 33% 12 mph ENE 88%

9 AM 15° Overcast 33% 12 mph ENE 89%

10 AM 15° Overcast 28% 12 mph ENE 88%

11 AM 15° Overcast 28% 12 mph ENE 88%

12 PM 16° Overcast 28% 12 mph ENE 87%

15-Day Forecast

Today

9/20

Overcast

66%

15°

21°

Mon

9/21

Overcast

51%

13°

19°

Tue

9/22

Rain

67%

10°

16°

Wed

9/23

Partly Cloudy

7°

21°

Thu

9/24

Clear

10°

22°

Fri

9/25

Clear

43%

13°

21°

Sat

9/26

Drizzle

52%

13°

21°

Sun

9/27

Clear

42%

12°

24°

Mon

9/28

Clear

43%

13°

24°

Tue

9/29

Drizzle

51%

13°

23°

Wed

9/30

Drizzle

60%

13°

23°

Thu

10/1

Drizzle

60%

13°

23°

Fri

10/2

Drizzle

60%

12°

22°

Sat

10/3

Drizzle

60%

11°

22°

Sun

10/4

Drizzle

60%

10°

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

13 AQI 2.5 µg/m³

O₃

Ground-level ozone

Dominant

31 AQI 34 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 31 Good 31 13

Tue 19 Good 19 11

Wed 19 Good 19 8

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, 17:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE8 J/kg

MLCAPE17 J/kg

MUCAPE5 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index1.6

Kinematics

0–6 km Shear24 kt

0–1 km Shear5 kt

Eff. Shear—

0–1 km SRH28

0–3 km SRH81

Eff. SRH—

Storm Motion324° @ 20 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index32.5

Thermo & Levels

PWAT1.81 in

0–3 km LR4.2 °C/km

700–500 LR5.8 °C/km

Total Totals43.6

LCL975 hPa

LFC992 hPa

EL909 hPa

Freezing Lvl13,547 ft

Louisa County, Iowa, United States

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