Excessive Heat Watch 9:00 PM

Madison County, Iowa, United States

Last updated: 3:29 PM CDT  ·  Refresh
31°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
19 mph S
Humidity
73%
Dew Point
25°
Pressure
28.65 inHg
Visibility
9 mi
UV Index
8.6
Cloud Cover
30%
Sunrise
5:45 AM
Sunset
8:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Madison County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4622 J/kg) — isolated convective development possible. Sunrise: 5:45AM · Sunset: 8:53PM.

Alerts

Excessive Heat Watch
Expires 9:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
5%
4 PM
32°
5%
5 PM
33°
5%
6 PM
32°
5%
7 PM
32°
5%
8 PM
31°
5%
9 PM
30°
5%
10 PM
29°
5%
11 PM
29°
5%
12 AM
28°
5%
1 AM
27°
5%
2 AM
27°
5%
3 AM
26°
5%
4 AM
26°
5%
5 AM
25°
5%
6 AM
24°
8%
7 AM
25°
8%
8 AM
26°
16%
9 AM
28°
16%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
10%
7-Day Forecast
Today
33° 24°
Partly Cloudy.
Tue
34° 24°
Mostly Clear.
Wed
36° 24°
Mostly Cloudy with a 49% chance of rain.
Thu
35° 24°
Mostly Clear with a 51% chance of rain.
Fri
32° 23°
Clear with a 50% chance of rain.
Sat
33° 22°
Thunderstorm, 90% chance.
Sun
31° 20°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 5% 19 mph S 73%
4 PM 32° Mostly Clear 5% 20 mph S 73%
5 PM 33° Mostly Clear 5% 20 mph S 74%
6 PM 32° Partly Cloudy 5% 19 mph SSW 75%
7 PM 32° Partly Cloudy 5% 18 mph SSW 76%
8 PM 31° Partly Cloudy 5% 16 mph SSW 77%
9 PM 30° Mostly Cloudy 5% 16 mph SSW 76%
10 PM 29° Overcast 5% 16 mph SSW 76%
11 PM 29° Mostly Cloudy 5% 16 mph SSW 76%
12 AM 28° Mostly Cloudy 5% 16 mph SSW 76%
1 AM 27° Mostly Cloudy 5% 15 mph SSW 75%
2 AM 27° Mostly Cloudy 5% 14 mph SSW 73%
3 AM 26° Mostly Cloudy 5% 13 mph SSW 72%
4 AM 26° Mostly Cloudy 5% 12 mph SSW 72%
5 AM 25° Partly Cloudy 5% 11 mph SSW 74%
6 AM 24° Partly Cloudy 8% 11 mph SSW 76%
7 AM 25° Partly Cloudy 8% 13 mph SSW 76%
8 AM 26° Partly Cloudy 16% 14 mph SSW 73%
9 AM 28° Mostly Clear 16% 15 mph SSW 70%
10 AM 29° Partly Cloudy 3% 16 mph SSW 68%
11 AM 30° Partly Cloudy 3% 16 mph SSW 66%
12 PM 31° Mostly Cloudy 3% 16 mph SSW 65%
1 PM 32° Partly Cloudy 3% 16 mph SSW 64%
2 PM 32° Partly Cloudy 10% 16 mph SSW 64%
15-Day Forecast
Today
6/29
Partly Cloudy
5%
24°
33°
Tue
6/30
Mostly Clear
17%
24°
34°
Wed
7/1
Mostly Cloudy
49%
24°
36°
Thu
7/2
Mostly Clear
51%
24°
35°
Fri
7/3
Clear
50%
23°
32°
Sat
7/4
Thunderstorm
90%
22°
33°
Sun
7/5
Clear
60%
20°
31°
Mon
7/6
Clear
60%
19°
30°
Tue
7/7
Drizzle
60%
19°
30°
Wed
7/8
Drizzle
60%
20°
32°
Thu
7/9
Drizzle
60%
21°
31°
Fri
7/10
Drizzle
60%
20°
31°
Sat
7/11
Clear
60%
19°
31°
Sun
7/12
Drizzle
60%
19°
31°
Mon
7/13
Drizzle
60%
20°
31°
50
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
50 AQI 9.0 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 50 Good 31 50
Wed 81 Moderate 31 81
Thu 56 Moderate 31 56
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 Jun 29, 19:00'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
SBCAPE5536 J/kg
MLCAPE3979 J/kg
MUCAPE5536 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.3
Kinematics
0–6 km Shear28 kt
0–1 km Shear10 kt
Eff. Shear23 kt
0–1 km SRH16
0–3 km SRH-25
Eff. SRH-25
Storm Motion202° @ 41 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.4
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT1.74 in
0–3 km LR6.1 °C/km
700–500 LR7.2 °C/km
Total Totals48.9
LCL888 hPa
LFC970 hPa
EL125 hPa
Freezing Lvl15,636 ft