Heat Advisory — Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA 7:00 PM

Marion County, Iowa, United States

Last updated: 12:56 AM CDT  ·  Refresh
27°C
Feels like 26°
Mostly Clear
▲ 36°  /  ▼ 22°
Wind
12 mph S
Humidity
58%
Dew Point
18°
Pressure
28.93 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
23%
Sunrise
6:37 AM
Sunset
7:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2469 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 7:46PM.

Alerts

Heat Advisory
Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA
Expires 7:00 PM
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
19%
1 AM
27°
18%
2 AM
26°
18%
3 AM
26°
15%
4 AM
26°
7%
5 AM
24°
7%
6 AM
23°
7%
7 AM
24°
7%
8 AM
26°
12%
9 AM
25°
9%
10 AM
27°
10%
11 AM
29°
18%
12 PM
31°
16%
1 PM
33°
26%
2 PM
33°
29%
3 PM
34°
21%
4 PM
33°
30%
5 PM
33°
24%
6 PM
32°
18%
7 PM
31°
19%
8 PM
30°
19%
9 PM
28°
19%
10 PM
28°
19%
11 PM
27°
20%
7-Day Forecast
Today
36° 22°
Mostly Cloudy with a 21% chance of rain.
Tue
39° 22°
Mostly Clear.
Wed
37° 23°
Clear with a 21% chance of rain.
Thu
39° 22°
Mostly Clear with a 51% chance of rain.
Fri
40° 24°
Rain, 30% chance.
Sat
37° 22°
Rain, 74% chance.
Sun
34° 19°
Clear with a 71% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 19% 12 mph S 58%
1 AM 27° Partly Cloudy 18% 12 mph S 55%
2 AM 26° Partly Cloudy 18% 12 mph SSW 56%
3 AM 26° Partly Cloudy 15% 12 mph SSW 57%
4 AM 26° Partly Cloudy 7% 12 mph SSW 58%
5 AM 24° Partly Cloudy 7% 12 mph SSW 60%
6 AM 23° Partly Cloudy 7% 11 mph SSW 63%
7 AM 24° Partly Cloudy 7% 12 mph SSW 61%
8 AM 26° Partly Cloudy 12% 13 mph SW 56%
9 AM 25° Partly Cloudy 9% 13 mph SW 52%
10 AM 27° Partly Cloudy 10% 11 mph SW 48%
11 AM 29° Partly Cloudy 18% 10 mph SW 44%
12 PM 31° Mostly Cloudy 16% 9 mph SW 41%
1 PM 33° Mostly Cloudy 26% 8 mph WSW 40%
2 PM 33° Mostly Cloudy 29% 8 mph WSW 41%
3 PM 34° Mostly Cloudy 21% 9 mph WSW 41%
4 PM 33° Mostly Cloudy 30% 8 mph WSW 46%
5 PM 33° Mostly Cloudy 24% 6 mph WSW 52%
6 PM 32° Overcast 18% 6 mph SW 57%
7 PM 31° Mostly Cloudy 19% 6 mph SSW 60%
8 PM 30° Mostly Cloudy 19% 5 mph SSW 63%
9 PM 28° Partly Cloudy 19% 6 mph S 65%
10 PM 28° Partly Cloudy 19% 6 mph S 67%
11 PM 27° Partly Cloudy 20% 6 mph SSW 68%
15-Day Forecast
Today
8/31
Mostly Cloudy
21%
22°
36°
Tue
9/1
Mostly Clear
17%
22°
39°
Wed
9/2
Clear
21%
23°
37°
Thu
9/3
Mostly Clear
51%
22°
39°
Fri
9/4
Rain
30%
24°
40°
Sat
9/5
Rain
74%
22°
37°
Sun
9/6
Clear
71%
19°
34°
Mon
9/7
Drizzle
43%
18°
38°
Tue
9/8
Clear
44%
21°
44°
Wed
9/9
Clear
36%
21°
43°
Thu
9/10
Drizzle
60%
18°
41°
Fri
9/11
Drizzle
60%
18°
31°
Sat
9/12
Drizzle
60%
18°
32°
Sun
9/13
Drizzle
60%
18°
32°
Mon
9/14
Drizzle
60%
16°
29°
58
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
58 AQI 13.1 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 47 58
Tue 57 Moderate 39 57
Wed 56 Moderate 42 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 Aug 31, 04:00'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
SBCAPE48 J/kg
MLCAPE23 J/kg
MUCAPE435 J/kg
SBCIN-809 J/kg
MLCIN0 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear26 kt
0–1 km Shear31 kt
Eff. Shear10 kt
0–1 km SRH316
0–3 km SRH378
Eff. SRH-1
Storm Motion283° @ 19 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.4
Thermo & Levels
PWAT1.66 in
0–3 km LR4.7 °C/km
700–500 LR7.1 °C/km
Total Totals46.2
LCL871 hPa
LFC551 hPa
EL424 hPa
Freezing Lvl15,456 ft