Flood Warning — Louisa County, IA 11:00 AM

Louisa County, Iowa, United States

Last updated: 1:28 PM CDT  ·  Refresh
16°C
Feels like 14°
Overcast
▲ 17°  /  ▼ 13°
Wind
9 mph ENE
Humidity
90%
Dew Point
15°
Pressure
29.45 inHg
Visibility
9 mi
UV Index
2.8
Cloud Cover
96%
Sunrise
6:51 AM
Sunset
7:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Louisa County is currently overcast at 16°C. Precipitation is likely — peak probability 76% around 11 PM. Sunrise: 6:51AM · Sunset: 7:03PM.

Alerts

Flood Warning
Louisa County, IA
Expires 11:00 AM
18 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
56%
2 PM
16°
55%
3 PM
17°
54%
4 PM
16°
52%
5 PM
16°
66%
6 PM
16°
66%
7 PM
16°
66%
8 PM
16°
66%
9 PM
15°
65%
10 PM
14°
71%
11 PM
14°
76%
12 AM
14°
66%
1 AM
14°
62%
2 AM
14°
50%
3 AM
14°
53%
4 AM
13°
58%
5 AM
13°
61%
6 AM
13°
60%
7 AM
13°
60%
8 AM
13°
60%
9 AM
13°
47%
10 AM
13°
44%
11 AM
13°
44%
12 PM
13°
33%
7-Day Forecast
Today
17° 13°
Overcast with a 71% chance of rain.
Tue
16° 11°
Rain, 62% chance.
Wed
23° 10°
Mostly Clear.
Thu
21° 12°
Mostly Cloudy.
Fri
21° 14°
Rain, 30% chance.
Sat
22° 14°
Drizzle, 64% chance.
Sun
24° 15°
Clear with a 64% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 16° Overcast 56% 9 mph ENE 90%
2 PM 16° Overcast 55% 9 mph ENE 88%
3 PM 17° Overcast 54% 8 mph ENE 88%
4 PM 16° Overcast 52% 9 mph ENE 88%
5 PM 16° Overcast 66% 9 mph ENE 90%
6 PM 16° Overcast 66% 10 mph ENE 90%
7 PM 16° Overcast 66% 10 mph ENE 91%
8 PM 16° Overcast 66% 10 mph ENE 91%
9 PM 15° Overcast 65% 10 mph ENE 91%
10 PM 14° Overcast 71% 10 mph ENE 91%
11 PM 14° Rain 76% 10 mph ENE 92%
12 AM 14° Overcast 66% 9 mph ENE 92%
1 AM 14° Overcast 62% 9 mph ENE 93%
2 AM 14° Overcast 50% 10 mph NE 94%
3 AM 14° Overcast 53% 10 mph NE 94%
4 AM 13° Overcast 58% 10 mph NE 94%
5 AM 13° Overcast 61% 10 mph NE 94%
6 AM 13° Rain 60% 10 mph NE 94%
7 AM 13° Rain 60% 10 mph ENE 94%
8 AM 13° Rain 60% 10 mph ENE 93%
9 AM 13° Overcast 47% 10 mph ENE 93%
10 AM 13° Overcast 44% 10 mph ENE 92%
11 AM 13° Overcast 44% 10 mph NE 91%
12 PM 13° Overcast 33% 10 mph NE 90%
15-Day Forecast
Today
9/21
Overcast
71%
13°
17°
Tue
9/22
Rain
62%
11°
16°
Wed
9/23
Mostly Clear
3%
10°
23°
Thu
9/24
Mostly Cloudy
7%
12°
21°
Fri
9/25
Rain
30%
14°
21°
Sat
9/26
Drizzle
64%
14°
22°
Sun
9/27
Clear
64%
15°
24°
Mon
9/28
Drizzle
42%
16°
26°
Tue
9/29
Rain
68%
15°
25°
Wed
9/30
Drizzle
44%
14°
24°
Thu
10/1
Clear
60%
13°
23°
Fri
10/2
Drizzle
60%
13°
23°
Sat
10/3
Drizzle
60%
11°
21°
Sun
10/4
Drizzle
60%
11°
21°
Mon
10/5
Drizzle
60%
11°
22°
18
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
PM2.5
Fine particulate matter
8 AQI 1.5 µg/m³
O3
Ground-level ozone
Dominant
18 AQI 20 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 18 Good 18 8
Wed 17 Good 17 13
Thu 28 Good 28 13
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Sep 21, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1 J/kg
MLCAPE17 J/kg
MUCAPE22 J/kg
SBCIN-1 J/kg
MLCIN0 J/kg
Lifted Index5.2
Kinematics
0–6 km Shear30 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH16
0–3 km SRH73
Eff. SRH—
Storm Motion320° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index30.1
Thermo & Levels
PWAT1.38 in
0–3 km LR3.4 °C/km
700–500 LR6.8 °C/km
Total Totals46.1
LCL976 hPa
LFC958 hPa
EL917 hPa
Freezing Lvl12,369 ft