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Madison County, Iowa, United States

Last updated: 9:46 PM CDT  ·  Refresh
6°C
Feels like 3°
Clear
▲ 11°  /  ▼ 2°
Wind
7 mph NNW
Humidity
74%
Dew Point
1°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
7:28 AM
Sunset
6:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Madison County is currently clear at 6°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:28AM · Sunset: 6:33PM.

22 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
6°
3%
10 PM
5°
3%
11 PM
4°
3%
12 AM
4°
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
3°
3%
8 AM
4°
3%
9 AM
8°
3%
10 AM
10°
3%
11 AM
11°
3%
12 PM
12°
3%
1 PM
14°
3%
2 PM
15°
3%
3 PM
15°
3%
4 PM
14°
3%
5 PM
12°
3%
6 PM
11°
3%
7 PM
10°
3%
8 PM
9°
3%
7-Day Forecast
Tonight
11° 2°
Clear.
Sat
15° 2°
Clear.
Sun
18° 4°
Clear.
Mon
21° 6°
Partly Cloudy.
Tue
22° 8°
Clear.
Wed
24° 12°
Partly Cloudy with a 25% chance of rain.
Thu
26° 13°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 6° Clear 3% 7 mph NNW 74%
10 PM 5° Clear 3% 6 mph NW 71%
11 PM 4° Clear 3% 6 mph NW 72%
12 AM 4° Clear 3% 6 mph NW 74%
1 AM 4° Clear 3% 5 mph NW 75%
2 AM 4° Clear 3% 4 mph NW 75%
3 AM 3° Clear 3% 3 mph WNW 76%
4 AM 3° Clear 3% 3 mph W 75%
5 AM 2° Clear 3% 3 mph SW 74%
6 AM 2° Clear 3% 4 mph SW 74%
7 AM 3° Clear 3% 5 mph SW 72%
8 AM 4° Clear 3% 6 mph SSW 68%
9 AM 8° Clear 3% 8 mph SSW 61%
10 AM 10° Clear 3% 10 mph SSW 55%
11 AM 11° Clear 3% 11 mph SW 51%
12 PM 12° Clear 3% 12 mph SW 48%
1 PM 14° Clear 3% 12 mph SW 46%
2 PM 15° Clear 3% 12 mph SSW 45%
3 PM 15° Clear 3% 12 mph SSW 45%
4 PM 14° Clear 3% 12 mph SSW 50%
5 PM 12° Clear 3% 11 mph SSW 56%
6 PM 11° Clear 3% 10 mph SSW 62%
7 PM 10° Clear 3% 10 mph SSW 63%
8 PM 9° Clear 3% 11 mph SSW 63%
15-Day Forecast
Today
10/16
Clear
3%
2°
11°
Sat
10/17
Clear
3%
2°
15°
Sun
10/18
Clear
3%
4°
18°
Mon
10/19
Partly Cloudy
3%
6°
21°
Tue
10/20
Clear
14%
8°
22°
Wed
10/21
Partly Cloudy
25%
12°
24°
Thu
10/22
Clear
21%
13°
26°
Fri
10/23
Partly Cloudy
16%
14°
26°
Sat
10/24
Drizzle
54%
12°
23°
Sun
10/25
Drizzle
54%
8°
18°
Mon
10/26
Drizzle
46%
7°
17°
Tue
10/27
Clear
60%
7°
17°
Wed
10/28
Drizzle
60%
7°
18°
Thu
10/29
Drizzle
60%
8°
18°
Fri
10/30
Drizzle
60%
7°
18°
22
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
7 AQI 1.2 µg/m³
O3
Ground-level ozone
Dominant
22 AQI 24 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 22 Good 22 7
Sun 28 Good 28 13
Mon 35 Good 29 35
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 Sat Oct 17, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE11 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index21.4
Kinematics
0–6 km Shear42 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH70
0–3 km SRH97
Eff. SRH—
Storm Motion27° @ 33 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-22.1
Thermo & Levels
PWAT0.34 in
0–3 km LR2.8 °C/km
700–500 LR4.8 °C/km
Total Totals22.8
LCL927 hPa
LFC995 hPa
EL995 hPa
Freezing Lvl3,875 ft