Louisa County, Iowa, United States

Last updated: 11:16 AM CDT · Refresh

21°C

Feels like 22°

Overcast

▲ 22° / ▼ 15°

Wind

8 mph NNE

Humidity

90%

Dew Point

20°

Pressure

29.28 inHg

Visibility

10 mi

UV Index

3.9

Cloud Cover

86%

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 21°C. Precipitation is likely — peak probability 60% around 9 PM. Sunrise: 6:50AM · Sunset: 7:05PM.

30 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

56%

12 PM

19°

45%

1 PM

20°

34%

2 PM

19°

52%

3 PM

19°

51%

4 PM

19°

51%

5 PM

19°

47%

6 PM

18°

44%

7 PM

18°

40%

8 PM

18°

49%

9 PM

18°

59%

10 PM

17°

50%

11 PM

17°

50%

12 AM

17°

42%

1 AM

16°

54%

2 AM

16°

35%

3 AM

16°

45%

4 AM

16°

48%

5 AM

15°

53%

6 AM

16°

53%

7 AM

16°

53%

8 AM

16°

53%

9 AM

15°

52%

10 AM

15°

47%

7-Day Forecast

Today

22° 15°

Overcast with a 56% chance of rain.

Mon

19° 13°

Overcast with a 61% chance of rain.

Tue

17° 10°

Mostly Cloudy with a 71% chance of rain.

Wed

21° 7°

Partly Cloudy.

Thu

22° 10°

Clear.

Fri

21° 13°

Clear.

Sat

21° 13°

Clear with a 31% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Overcast 56% 8 mph NNE 90%

12 PM 19° Overcast 45% 11 mph NE 89%

1 PM 20° Overcast 34% 12 mph NE 90%

2 PM 19° Overcast 52% 13 mph NE 90%

3 PM 19° Overcast 51% 13 mph NE 91%

4 PM 19° Overcast 51% 13 mph NE 92%

5 PM 19° Overcast 47% 13 mph NE 92%

6 PM 18° Overcast 44% 13 mph NE 91%

7 PM 18° Overcast 40% 13 mph NE 91%

8 PM 18° Overcast 49% 13 mph ENE 90%

9 PM 18° Overcast 59% 13 mph ENE 90%

10 PM 17° Overcast 50% 13 mph ENE 90%

11 PM 17° Overcast 50% 13 mph NE 91%

12 AM 17° Overcast 42% 12 mph NE 92%

1 AM 16° Overcast 54% 12 mph NE 92%

2 AM 16° Overcast 35% 11 mph NE 91%

3 AM 16° Overcast 45% 11 mph NE 90%

4 AM 16° Overcast 48% 10 mph NE 90%

5 AM 15° Overcast 53% 11 mph ENE 90%

6 AM 16° Overcast 53% 11 mph ENE 89%

7 AM 16° Overcast 53% 11 mph ENE 89%

8 AM 16° Overcast 53% 11 mph ENE 89%

9 AM 15° Overcast 52% 12 mph ENE 90%

10 AM 15° Overcast 47% 12 mph ENE 90%

15-Day Forecast

Today

9/20

Overcast

56%

15°

22°

Mon

9/21

Overcast

61%

13°

19°

Tue

9/22

Mostly Cloudy

71%

10°

17°

Wed

9/23

Partly Cloudy

7°

21°

Thu

9/24

Clear

10°

22°

Fri

9/25

Clear

13°

21°

Sat

9/26

Clear

31%

13°

21°

Sun

9/27

Drizzle

43%

11°

24°

Mon

9/28

Clear

44%

13°

24°

Tue

9/29

Drizzle

51%

13°

23°

Wed

9/30

Drizzle

60%

14°

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

12 AQI 2.2 µg/m³

O₃

Ground-level ozone

Dominant

30 AQI 33 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 30 Good 30 12

Tue 19 Good 19 12

Wed 20 Good 20 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, 15:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE74 J/kg

MLCAPE16 J/kg

MUCAPE74 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index0.6

Kinematics

0–6 km Shear20 kt

0–1 km Shear1 kt

Eff. Shear—

0–1 km SRH2

0–3 km SRH56

Eff. SRH—

Storm Motion330° @ 20 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index32.7

Thermo & Levels

PWAT1.88 in

0–3 km LR4.9 °C/km

700–500 LR5.3 °C/km

Total Totals41.7

LCL971 hPa

LFC991 hPa

EL537 hPa

Freezing Lvl13,494 ft

Louisa County, Iowa, United States

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