Frost Advisory — Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 AM

Louisa County, Iowa, United States

Last updated: 7:42 PM CDT  ·  Refresh
9°C
Feels like 6°
Mostly Clear
▲ 12°  /  ▼ 2°
Wind
11 mph NNW
Humidity
72%
Dew Point
4°
Pressure
29.74 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
29%
Sunrise
7:16 AM
Sunset
6:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Louisa County is currently mostly clear at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:16AM · Sunset: 6:22PM.

Alerts

Frost Advisory
Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 AM
23 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
12%
8 PM
9°
11%
9 PM
7°
6%
10 PM
7°
4%
11 PM
6°
4%
12 AM
6°
3%
1 AM
4°
3%
2 AM
4°
3%
3 AM
3°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
2°
3%
7 AM
2°
3%
8 AM
4°
3%
9 AM
7°
3%
10 AM
8°
3%
11 AM
10°
3%
12 PM
11°
3%
1 PM
13°
3%
2 PM
14°
3%
3 PM
14°
3%
4 PM
14°
3%
5 PM
11°
3%
6 PM
10°
3%
7-Day Forecast
Tonight
12° 2°
Mostly Clear.
Sat
14° 2°
Clear.
Sun
19° 4°
Clear.
Mon
22° 6°
Mostly Clear.
Tue
24° 9°
Mostly Clear.
Wed
25° 11°
Mostly Clear.
Thu
27° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Mostly Clear 12% 11 mph NNW 72%
8 PM 9° Mostly Clear 11% 10 mph NNW 73%
9 PM 7° Mostly Clear 6% 9 mph NNW 76%
10 PM 7° Clear 4% 8 mph NNW 78%
11 PM 6° Clear 4% 8 mph NNW 80%
12 AM 6° Clear 3% 7 mph N 82%
1 AM 4° Clear 3% 6 mph NNW 83%
2 AM 4° Clear 3% 5 mph NNW 84%
3 AM 3° Clear 3% 5 mph NNW 84%
4 AM 3° Clear 3% 4 mph NNW 85%
5 AM 2° Clear 3% 3 mph NW 85%
6 AM 2° Clear 3% 3 mph WNW 85%
7 AM 2° Mostly Clear 3% 2 mph W 82%
8 AM 4° Clear 3% 2 mph SW 77%
9 AM 7° Clear 3% 3 mph SSW 69%
10 AM 8° Clear 3% 4 mph SSW 60%
11 AM 10° Clear 3% 5 mph SSW 54%
12 PM 11° Clear 3% 6 mph SSW 47%
1 PM 13° Clear 3% 6 mph SSW 44%
2 PM 14° Clear 3% 7 mph SSW 42%
3 PM 14° Clear 3% 7 mph SSW 40%
4 PM 14° Clear 3% 7 mph SSW 43%
5 PM 11° Clear 3% 7 mph SSW 48%
6 PM 10° Clear 3% 7 mph SSW 52%
15-Day Forecast
Today
10/16
Mostly Clear
12%
2°
12°
Sat
10/17
Clear
3%
2°
14°
Sun
10/18
Clear
3%
4°
19°
Mon
10/19
Mostly Clear
3%
6°
22°
Tue
10/20
Mostly Clear
10%
9°
24°
Wed
10/21
Mostly Clear
13%
11°
25°
Thu
10/22
Clear
9%
12°
27°
Fri
10/23
Clear
8%
13°
27°
Sat
10/24
Overcast
35%
12°
27°
Sun
10/25
Mostly Cloudy
35%
9°
21°
Mon
10/26
Overcast
44%
7°
19°
Tue
10/27
Drizzle
60%
7°
18°
Wed
10/28
Drizzle
60%
8°
18°
Thu
10/29
Drizzle
60%
8°
20°
Fri
10/30
Drizzle
60%
8°
18°
23
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
19 AQI 3.4 µg/m³
O3
Ground-level ozone
Dominant
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 23 Good 23 19
Sun 27 Good 27 7
Mon 30 Good 30 23
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 Fri Oct 16, 23:00'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
SBCAPE0 J/kg
MLCAPE4 J/kg
MUCAPE7 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index14.4
Kinematics
0–6 km Shear50 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH110
0–3 km SRH124
Eff. SRH—
Storm Motion25° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-7.1
Thermo & Levels
PWAT0.39 in
0–3 km LR5.4 °C/km
700–500 LR4.2 °C/km
Total Totals31.7
LCL930 hPa
LFC1007 hPa
EL1007 hPa
Freezing Lvl4,249 ft