Extreme Heat Watch 8:00 PM Extreme Heat Warning — Bourbon, KS, Crawford, KS, Cherokee, KS, Benton, MO, Morgan, MO, Miller, MO, Maries, MO, Vernon, MO, St. Clair, MO, Hickory, MO, Camden, MO, Barton, MO, Cedar, MO, Polk, MO, Dallas, MO, Jasper, MO, Dade, MO, Newton, MO, Lawrence, MO, McDonald, MO 8:00 PM

Polk County, Missouri, United States

Last updated: 6:20 AM CDT  ·  Refresh
24°C
Feels like 26°
Clear
▲ 35°  /  ▼ 25°
Wind
8 mph SSW
Humidity
72%
Dew Point
20°
Pressure
28.88 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:26 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2102 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 8:10PM.

Alerts

Extreme Heat Watch
Expires 8:00 PM
Extreme Heat Warning
Bourbon, KS, Crawford, KS, Cherokee, KS, Benton, MO, Morgan, MO, Miller, MO, Maries, MO, Vernon, MO, St. Clair, MO, Hickory, MO, Camden, MO, Barton, MO, Cedar, MO, Polk, MO, Dallas, MO, Jasper, MO, Dade, MO, Newton, MO, Lawrence, MO, McDonald, MO
Expires 8:00 PM
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
8%
7 AM
23°
8%
8 AM
26°
7%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
35°
3%
6 PM
34°
3%
7 PM
33°
5%
8 PM
31°
5%
9 PM
30°
8%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
8%
1 AM
28°
8%
2 AM
28°
8%
3 AM
27°
9%
4 AM
27°
9%
5 AM
26°
9%
7-Day Forecast
Today
35° 25°
Mostly Clear.
Wed
38° 25°
Mostly Clear.
Thu
39° 24°
Clear.
Fri
39° 24°
Clear.
Sat
42° 24°
Clear.
Sun
41° 24°
Partly Cloudy.
Mon
37° 22°
Partly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 8% 8 mph SSW 72%
7 AM 23° Mostly Clear 8% 10 mph SSW 66%
8 AM 26° Mostly Clear 7% 12 mph SW 60%
9 AM 27° Mostly Clear 3% 14 mph SW 55%
10 AM 28° Mostly Clear 3% 15 mph SW 51%
11 AM 30° Clear 3% 14 mph SW 48%
12 PM 32° Clear 3% 14 mph SW 46%
1 PM 34° Mostly Clear 3% 13 mph SW 43%
2 PM 34° Mostly Clear 3% 12 mph SW 42%
3 PM 34° Mostly Clear 3% 12 mph SW 41%
4 PM 34° Mostly Clear 3% 11 mph SW 42%
5 PM 35° Mostly Clear 3% 10 mph SW 43%
6 PM 34° Mostly Clear 3% 9 mph SW 46%
7 PM 33° Mostly Clear 5% 8 mph SSW 48%
8 PM 31° Partly Cloudy 5% 8 mph SSW 51%
9 PM 30° Mostly Clear 8% 9 mph S 54%
10 PM 29° Clear 8% 10 mph S 56%
11 PM 28° Clear 8% 10 mph SSW 57%
12 AM 28° Clear 8% 10 mph SSW 58%
1 AM 28° Mostly Clear 8% 11 mph SSW 59%
2 AM 28° Mostly Clear 8% 11 mph SSW 61%
3 AM 27° Mostly Clear 9% 10 mph SSW 63%
4 AM 27° Mostly Clear 9% 10 mph SSW 64%
5 AM 26° Clear 9% 11 mph SSW 65%
15-Day Forecast
Today
8/11
Mostly Clear
8%
25°
35°
Wed
8/12
Mostly Clear
9%
25°
38°
Thu
8/13
Clear
11%
24°
39°
Fri
8/14
Clear
15%
24°
39°
Sat
8/15
Clear
7%
24°
42°
Sun
8/16
Partly Cloudy
15%
24°
41°
Mon
8/17
Partly Cloudy
24%
22°
37°
Tue
8/18
Clear
34%
21°
40°
Wed
8/19
Mostly Clear
35%
22°
41°
Thu
8/20
Mostly Clear
35%
22°
38°
Fri
8/21
Clear
25%
23°
39°
Sat
8/22
Drizzle
60%
23°
39°
Sun
8/23
Drizzle
60%
23°
39°
Mon
8/24
Drizzle
60%
22°
37°
Tue
8/25
Drizzle
60%
21°
36°
41
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
37 AQI 6.7 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 41 37
Wed 40 Good 40 28
Thu 41 Good 39 41
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 Tue Aug 11, 10:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE432 J/kg
MLCAPE415 J/kg
MUCAPE1026 J/kg
SBCIN-627 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear11 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH78
0–3 km SRH43
Eff. SRH—
Storm Motion60° @ 5 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index21.3
Thermo & Levels
PWAT1.28 in
0–3 km LR4.1 °C/km
700–500 LR7.7 °C/km
Total Totals49.8
LCL911 hPa
LFC603 hPa
EL227 hPa
Freezing Lvl14,636 ft