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

Dallas County, Iowa, United States

Last updated: 12:53 AM CDT  ·  Refresh
26°C
Feels like 26°
Partly Cloudy
▲ 36°  /  ▼ 20°
Wind
8 mph S
Humidity
62%
Dew Point
19°
Pressure
28.80 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
35%
Sunrise
6:41 AM
Sunset
7:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dallas County is currently partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2432 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 7:50PM.

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
26°
16%
1 AM
26°
15%
2 AM
25°
15%
3 AM
24°
15%
4 AM
24°
7%
5 AM
23°
4%
6 AM
23°
4%
7 AM
23°
7%
8 AM
25°
21%
9 AM
25°
15%
10 AM
27°
16%
11 AM
29°
19%
12 PM
31°
19%
1 PM
33°
20%
2 PM
33°
22%
3 PM
33°
19%
4 PM
33°
29%
5 PM
33°
24%
6 PM
32°
22%
7 PM
31°
22%
8 PM
29°
22%
9 PM
27°
23%
10 PM
26°
23%
11 PM
26°
24%
7-Day Forecast
Today
36° 20°
Partly Cloudy with a 22% chance of rain.
Tue
40° 20°
Clear with a 26% chance of rain.
Wed
37° 22°
Partly Cloudy with a 50% chance of rain.
Thu
39° 21°
Clear with a 58% chance of rain.
Fri
41° 23°
Clear with a 21% chance of rain.
Sat
39° 21°
Rain, 43% chance.
Sun
36° 20°
Clear with a 44% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 16% 8 mph S 63%
1 AM 26° Partly Cloudy 15% 8 mph SSW 58%
2 AM 25° Partly Cloudy 15% 8 mph SSW 58%
3 AM 24° Partly Cloudy 15% 8 mph SSW 59%
4 AM 24° Partly Cloudy 7% 8 mph SSW 60%
5 AM 23° Partly Cloudy 4% 8 mph SSW 61%
6 AM 23° Mostly Cloudy 4% 8 mph SSW 64%
7 AM 23° Mostly Cloudy 7% 8 mph SW 63%
8 AM 25° Rain 21% 9 mph WSW 60%
9 AM 25° Partly Cloudy 15% 10 mph WSW 56%
10 AM 27° Partly Cloudy 16% 8 mph WSW 52%
11 AM 29° Mostly Cloudy 19% 7 mph WSW 51%
12 PM 31° Mostly Cloudy 19% 7 mph SW 48%
1 PM 33° Mostly Cloudy 20% 8 mph WSW 47%
2 PM 33° Mostly Cloudy 22% 8 mph WSW 46%
3 PM 33° Mostly Cloudy 19% 8 mph WSW 46%
4 PM 33° Partly Cloudy 29% 7 mph WSW 48%
5 PM 33° Partly Cloudy 24% 6 mph WSW 51%
6 PM 32° Mostly Clear 22% 6 mph W 54%
7 PM 31° Mostly Clear 22% 6 mph WSW 56%
8 PM 29° Mostly Clear 22% 6 mph SW 59%
9 PM 27° Mostly Clear 23% 6 mph SSW 62%
10 PM 26° Mostly Clear 23% 6 mph SSW 65%
11 PM 26° Mostly Clear 24% 5 mph SSW 68%
15-Day Forecast
Today
8/31
Partly Cloudy
22%
20°
36°
Tue
9/1
Clear
26%
20°
40°
Wed
9/2
Partly Cloudy
50%
22°
37°
Thu
9/3
Clear
58%
21°
39°
Fri
9/4
Clear
21%
23°
41°
Sat
9/5
Rain
43%
21°
39°
Sun
9/6
Clear
44%
20°
36°
Mon
9/7
Drizzle
43%
21°
39°
Tue
9/8
Clear
44%
22°
44°
Wed
9/9
Clear
36%
22°
43°
Thu
9/10
Clear
44%
18°
35°
Fri
9/11
Drizzle
60%
18°
32°
Sat
9/12
Clear
60%
17°
33°
Sun
9/13
Drizzle
60%
18°
33°
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 12.8 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 58 Moderate 38 58
Tue 59 Moderate 34 59
Wed 58 Moderate 41 58
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
SBCAPE226 J/kg
MLCAPE127 J/kg
MUCAPE581 J/kg
SBCIN-763 J/kg
MLCIN-536 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear25 kt
0–1 km Shear36 kt
Eff. Shear14 kt
0–1 km SRH398
0–3 km SRH393
Eff. SRH3
Storm Motion278° @ 26 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.3
STP (eff)0.0
Supercell0.0
K-Index33.3
Thermo & Levels
PWAT1.67 in
0–3 km LR4.3 °C/km
700–500 LR7.1 °C/km
Total Totals48.1
LCL893 hPa
LFC564 hPa
EL223 hPa
Freezing Lvl15,545 ft