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

Clarke County, Iowa, United States

Last updated: 12:56 AM CDT  ·  Refresh
27°C
Feels like 24°
Mostly Clear
▲ 36°  /  ▼ 21°
Wind
13 mph S
Humidity
52%
Dew Point
18°
Pressure
28.68 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
21%
Sunrise
6:40 AM
Sunset
7:49 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clarke County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2377 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:49PM.

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
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
16%
1 AM
27°
15%
2 AM
26°
15%
3 AM
26°
15%
4 AM
25°
7%
5 AM
23°
7%
6 AM
22°
7%
7 AM
23°
7%
8 AM
26°
4%
9 AM
25°
5%
10 AM
27°
12%
11 AM
29°
16%
12 PM
31°
15%
1 PM
33°
15%
2 PM
33°
15%
3 PM
34°
15%
4 PM
33°
18%
5 PM
34°
18%
6 PM
33°
18%
7 PM
32°
19%
8 PM
31°
19%
9 PM
29°
19%
10 PM
28°
19%
11 PM
28°
15%
7-Day Forecast
Today
36° 21°
Partly Cloudy.
Tue
40° 21°
Mostly Clear.
Wed
38° 24°
Clear.
Thu
40° 23°
Clear with a 37% chance of rain.
Fri
41° 23°
Clear.
Sat
40° 21°
Rain, 55% chance.
Sun
37° 19°
Clear with a 44% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 16% 13 mph S 52%
1 AM 27° Partly Cloudy 15% 14 mph SSW 50%
2 AM 26° Partly Cloudy 15% 14 mph SSW 51%
3 AM 26° Partly Cloudy 15% 14 mph SSW 52%
4 AM 25° Partly Cloudy 7% 14 mph SSW 54%
5 AM 23° Partly Cloudy 7% 14 mph SSW 56%
6 AM 22° Partly Cloudy 7% 13 mph SSW 59%
7 AM 23° Partly Cloudy 7% 13 mph SSW 58%
8 AM 26° Partly Cloudy 4% 14 mph SW 53%
9 AM 25° Partly Cloudy 5% 14 mph SW 48%
10 AM 27° Partly Cloudy 12% 12 mph SW 45%
11 AM 29° Partly Cloudy 16% 11 mph SW 43%
12 PM 31° Partly Cloudy 15% 10 mph WSW 41%
1 PM 33° Partly Cloudy 15% 9 mph WSW 40%
2 PM 33° Partly Cloudy 15% 9 mph WSW 39%
3 PM 34° Partly Cloudy 15% 9 mph W 39%
4 PM 33° Partly Cloudy 18% 8 mph W 41%
5 PM 34° Partly Cloudy 18% 7 mph W 46%
6 PM 33° Partly Cloudy 18% 6 mph W 50%
7 PM 32° Partly Cloudy 19% 6 mph WSW 54%
8 PM 31° Partly Cloudy 19% 6 mph SSW 59%
9 PM 29° Partly Cloudy 19% 6 mph SSW 63%
10 PM 28° Partly Cloudy 19% 6 mph SSW 64%
11 PM 28° Partly Cloudy 15% 6 mph SSW 64%
15-Day Forecast
Today
8/31
Partly Cloudy
18%
21°
36°
Tue
9/1
Mostly Clear
17%
21°
40°
Wed
9/2
Clear
7%
24°
38°
Thu
9/3
Clear
37%
23°
40°
Fri
9/4
Clear
16%
23°
41°
Sat
9/5
Rain
55%
21°
40°
Sun
9/6
Clear
44%
19°
37°
Mon
9/7
Drizzle
43%
19°
39°
Tue
9/8
Clear
44%
21°
44°
Wed
9/9
Clear
36%
22°
43°
Thu
9/10
Drizzle
60%
18°
41°
Fri
9/11
Drizzle
60%
18°
33°
Sat
9/12
Clear
60%
18°
33°
Sun
9/13
Drizzle
60%
19°
33°
Mon
9/14
Drizzle
60%
16°
31°
57
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
57 AQI 12.3 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 44 57
Tue 56 Moderate 37 56
Wed 54 Moderate 43 54
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
SBCAPE13 J/kg
MLCAPE24 J/kg
MUCAPE533 J/kg
SBCIN-881 J/kg
MLCIN0 J/kg
Lifted Index-0.2
Kinematics
0–6 km Shear22 kt
0–1 km Shear30 kt
Eff. Shear12 kt
0–1 km SRH312
0–3 km SRH376
Eff. SRH12
Storm Motion284° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.8
Thermo & Levels
PWAT1.62 in
0–3 km LR4.8 °C/km
700–500 LR7.2 °C/km
Total Totals46.6
LCL851 hPa
LFC516 hPa
EL449 hPa
Freezing Lvl15,305 ft