Excessive Heat Warning — Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 PM Extreme Heat Watch 10:00 PM

Louisa County, Iowa, United States

Last updated: 7:44 AM CDT  ·  Refresh
26°C
Feels like 30°
Overcast
▲ 36°  /  ▼ 24°
Wind
3 mph S
Humidity
92%
Dew Point
24°
Pressure
29.25 inHg
Visibility
6 mi
UV Index
2.3
Cloud Cover
88%
Sunrise
5:54 AM
Sunset
8:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Louisa County is currently overcast at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3768 J/kg) — isolated convective development possible. Sunrise: 5:54AM · Sunset: 8:27PM.

Alerts

Excessive Heat Warning
Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
27%
8 AM
27°
33%
9 AM
29°
35%
10 AM
30°
28%
11 AM
32°
14%
12 PM
33°
7%
1 PM
34°
3%
2 PM
35°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
36°
3%
7 PM
33°
3%
8 PM
32°
5%
9 PM
29°
5%
10 PM
29°
13%
11 PM
28°
18%
12 AM
28°
22%
1 AM
27°
22%
2 AM
26°
18%
3 AM
26°
18%
4 AM
26°
18%
5 AM
26°
14%
6 AM
26°
14%
7-Day Forecast
Today
36° 24°
Partly Cloudy with a 28% chance of rain.
Mon
37° 24°
Mostly Clear with a 37% chance of rain.
Tue
31° 20°
Partly Cloudy.
Wed
31° 18°
Mostly Clear with a 47% chance of rain.
Thu
30° 18°
Rain, 64% chance.
Fri
28° 19°
Rain, 71% chance.
Sat
29° 18°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Overcast 27% 3 mph S 92%
8 AM 27° Overcast 33% 4 mph SSW 86%
9 AM 29° Mostly Cloudy 35% 6 mph SSW 81%
10 AM 30° Mostly Cloudy 28% 6 mph SSW 76%
11 AM 32° Mostly Cloudy 14% 5 mph SW 71%
12 PM 33° Partly Cloudy 7% 4 mph WSW 66%
1 PM 34° Partly Cloudy 3% 4 mph WSW 62%
2 PM 35° Mostly Clear 3% 5 mph W 59%
3 PM 36° Partly Cloudy 3% 5 mph WNW 57%
4 PM 36° Partly Cloudy 3% 4 mph WNW 56%
5 PM 36° Partly Cloudy 3% 3 mph W 56%
6 PM 36° Mostly Clear 3% 3 mph SW 58%
7 PM 33° Partly Cloudy 3% 3 mph S 63%
8 PM 32° Partly Cloudy 5% 3 mph S 69%
9 PM 29° Partly Cloudy 5% 5 mph S 74%
10 PM 29° Partly Cloudy 13% 5 mph SSW 75%
11 PM 28° Partly Cloudy 18% 6 mph SSW 74%
12 AM 28° Partly Cloudy 22% 7 mph SW 73%
1 AM 27° Partly Cloudy 22% 6 mph SW 76%
2 AM 26° Rain 18% 5 mph SW 80%
3 AM 26° Rain 18% 8 mph ENE 84%
4 AM 26° Rain 18% 7 mph SE 85%
5 AM 26° Partly Cloudy 14% 6 mph SSE 85%
6 AM 26° Partly Cloudy 14% 9 mph SSE 85%
15-Day Forecast
Today
7/26
Partly Cloudy
28%
24°
36°
Mon
7/27
Mostly Clear
37%
24°
37°
Tue
7/28
Partly Cloudy
14%
20°
31°
Wed
7/29
Mostly Clear
47%
18°
31°
Thu
7/30
Rain
64%
18°
30°
Fri
7/31
Rain
71%
19°
28°
Sat
8/1
Clear
52%
18°
29°
Sun
8/2
Clear
18%
18°
30°
Mon
8/3
Clear
19%
18°
32°
Tue
8/4
Drizzle
51%
20°
34°
Wed
8/5
Drizzle
60%
19°
33°
Thu
8/6
Drizzle
60%
18°
31°
Fri
8/7
Drizzle
60%
18°
32°
Sat
8/8
Drizzle
60%
19°
33°
Sun
8/9
Drizzle
60%
20°
34°
41
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
41 AQI 7.5 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 41 Good 37 41
Tue 40 Good 40 34
Wed 52 Moderate 44 52
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 Sun Jul 26, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2238 J/kg
MLCAPE3334 J/kg
MUCAPE4493 J/kg
SBCIN-323 J/kg
MLCIN0 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear37 kt
0–1 km Shear11 kt
Eff. Shear29 kt
0–1 km SRH-33
0–3 km SRH-199
Eff. SRH-230
Storm Motion273° @ 24 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.1
Thermo & Levels
PWAT1.91 in
0–3 km LR4.1 °C/km
700–500 LR7.7 °C/km
Total Totals50.6
LCL973 hPa
LFC687 hPa
EL176 hPa
Freezing Lvl15,282 ft