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

Mahaska County, Iowa, United States

Last updated: 12:40 AM CDT  ·  Refresh
26°C
Feels like 26°
Mostly Clear
▲ 35°  /  ▼ 22°
Wind
12 mph S
Humidity
62%
Dew Point
19°
Pressure
29.02 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
27%
Sunrise
6:36 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mahaska County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2350 J/kg) — isolated convective development possible. Sunrise: 6:36AM · Sunset: 7:44PM.

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
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
19%
1 AM
26°
18%
2 AM
26°
18%
3 AM
26°
15%
4 AM
25°
19%
5 AM
24°
28%
6 AM
24°
15%
7 AM
24°
16%
8 AM
27°
16%
9 AM
24°
21%
10 AM
27°
10%
11 AM
29°
10%
12 PM
31°
8%
1 PM
33°
14%
2 PM
33°
29%
3 PM
34°
28%
4 PM
33°
12%
5 PM
33°
16%
6 PM
32°
12%
7 PM
30°
9%
8 PM
29°
9%
9 PM
28°
9%
10 PM
27°
19%
11 PM
27°
15%
7-Day Forecast
Today
35° 22°
Mostly Cloudy with a 28% chance of rain.
Tue
38° 22°
Mostly Clear.
Wed
37° 23°
Clear.
Thu
38° 20°
Clear with a 53% chance of rain.
Fri
39° 23°
Clear with a 37% chance of rain.
Sat
36° 21°
Clear with a 64% chance of rain.
Sun
34° 19°
Clear with a 71% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 19% 12 mph S 62%
1 AM 26° Partly Cloudy 18% 11 mph S 61%
2 AM 26° Mostly Cloudy 18% 11 mph S 63%
3 AM 26° Partly Cloudy 15% 11 mph SSW 65%
4 AM 25° Partly Cloudy 19% 11 mph SSW 66%
5 AM 24° Partly Cloudy 28% 11 mph SSW 66%
6 AM 24° Partly Cloudy 15% 11 mph SSW 66%
7 AM 24° Partly Cloudy 16% 12 mph SSW 64%
8 AM 27° Partly Cloudy 16% 13 mph SW 59%
9 AM 24° Partly Cloudy 21% 14 mph SW 55%
10 AM 27° Partly Cloudy 10% 12 mph SW 51%
11 AM 29° Mostly Cloudy 10% 11 mph SW 46%
12 PM 31° Mostly Cloudy 8% 9 mph SW 42%
1 PM 33° Mostly Cloudy 14% 9 mph WSW 41%
2 PM 33° Mostly Cloudy 29% 9 mph WSW 41%
3 PM 34° Mostly Cloudy 28% 9 mph WSW 41%
4 PM 33° Mostly Cloudy 12% 7 mph WSW 46%
5 PM 33° Mostly Cloudy 16% 6 mph SW 55%
6 PM 32° Mostly Cloudy 12% 8 mph SSW 62%
7 PM 30° Mostly Cloudy 9% 7 mph SSW 66%
8 PM 29° Partly Cloudy 9% 6 mph SSW 67%
9 PM 28° Partly Cloudy 9% 5 mph SSW 69%
10 PM 27° Partly Cloudy 19% 5 mph SSW 71%
11 PM 27° Partly Cloudy 15% 6 mph SSW 72%
15-Day Forecast
Today
8/31
Mostly Cloudy
28%
22°
35°
Tue
9/1
Mostly Clear
17%
22°
38°
Wed
9/2
Clear
7%
23°
37°
Thu
9/3
Clear
53%
20°
38°
Fri
9/4
Clear
37%
23°
39°
Sat
9/5
Clear
64%
21°
36°
Sun
9/6
Clear
71%
19°
34°
Mon
9/7
Drizzle
43%
17°
37°
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%
17°
31°
Sun
9/13
Drizzle
60%
18°
32°
Mon
9/14
Drizzle
60%
16°
29°
59
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
59 AQI 13.3 µg/m³
O3
Ground-level ozone
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 59 Moderate 47 59
Tue 58 Moderate 40 58
Wed 58 Moderate 42 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
SBCAPE57 J/kg
MLCAPE21 J/kg
MUCAPE452 J/kg
SBCIN-769 J/kg
MLCIN0 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear28 kt
0–1 km Shear30 kt
Eff. Shear11 kt
0–1 km SRH322
0–3 km SRH379
Eff. SRH4
Storm Motion283° @ 19 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index31.7
Thermo & Levels
PWAT1.69 in
0–3 km LR4.6 °C/km
700–500 LR7.0 °C/km
Total Totals45.2
LCL889 hPa
LFC563 hPa
EL415 hPa
Freezing Lvl15,449 ft