Heat Advisory — Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 8:00 PM

Clark County, Missouri, United States

Last updated: 5:13 AM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Clear
▲ 36°  /  ▼ 22°
Wind
6 mph SSW
Humidity
80%
Dew Point
22°
Pressure
29.20 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
6:14 AM
Sunset
8:09 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3188 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 8:09PM.

Alerts

Heat Advisory
Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 8:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
9%
6 AM
23°
25%
7 AM
24°
27%
8 AM
26°
32%
9 AM
27°
36%
10 AM
29°
40%
11 AM
30°
25%
12 PM
31°
28%
1 PM
32°
8%
2 PM
33°
11%
3 PM
34°
12%
4 PM
34°
12%
5 PM
34°
15%
6 PM
33°
15%
7 PM
32°
11%
8 PM
31°
16%
9 PM
28°
16%
10 PM
27°
16%
11 PM
27°
25%
12 AM
26°
26%
1 AM
26°
26%
2 AM
26°
27%
3 AM
26°
27%
4 AM
24°
37%
7-Day Forecast
Today
36° 22°
Partly Cloudy with a 32% chance of rain.
Wed
33° 22°
Partly Cloudy with a 68% chance of rain.
Thu
32° 22°
Partly Cloudy with a 90% chance of rain.
Fri
29° 20°
Overcast with a 81% chance of rain.
Sat
36° 22°
Mostly Clear with a 29% chance of rain.
Sun
31° 19°
Partly Cloudy with a 49% chance of rain.
Mon
29° 18°
Mostly Clear with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 9% 6 mph SSW 80%
6 AM 23° Mostly Cloudy 25% 6 mph SW 75%
7 AM 24° Mostly Cloudy 27% 7 mph SW 73%
8 AM 26° Mostly Cloudy 32% 10 mph SW 67%
9 AM 27° Mostly Cloudy 36% 12 mph WSW 63%
10 AM 29° Mostly Cloudy 40% 14 mph SW 56%
11 AM 30° Partly Cloudy 25% 14 mph SW 54%
12 PM 31° Partly Cloudy 28% 13 mph SW 52%
1 PM 32° Mostly Cloudy 8% 13 mph SW 50%
2 PM 33° Mostly Cloudy 11% 12 mph SW 47%
3 PM 34° Partly Cloudy 12% 12 mph SW 45%
4 PM 34° Mostly Cloudy 12% 11 mph SW 44%
5 PM 34° Partly Cloudy 15% 9 mph SW 48%
6 PM 33° Partly Cloudy 15% 7 mph SW 51%
7 PM 32° Partly Cloudy 11% 6 mph WSW 56%
8 PM 31° Partly Cloudy 16% 4 mph SSW 63%
9 PM 28° Partly Cloudy 16% 5 mph S 70%
10 PM 27° Partly Cloudy 16% 5 mph SSE 75%
11 PM 27° Partly Cloudy 25% 5 mph SSE 79%
12 AM 26° Partly Cloudy 26% 6 mph SE 82%
1 AM 26° Partly Cloudy 26% 6 mph SE 85%
2 AM 26° Partly Cloudy 27% 6 mph SE 84%
3 AM 26° Partly Cloudy 27% 6 mph SSE 84%
4 AM 24° Mostly Clear 37% 6 mph SE 84%
15-Day Forecast
Today
8/11
Partly Cloudy
32%
22°
36°
Wed
8/12
Partly Cloudy
68%
22°
33°
Thu
8/13
Partly Cloudy
90%
22°
32°
Fri
8/14
Overcast
81%
20°
29°
Sat
8/15
Mostly Clear
29%
22°
36°
Sun
8/16
Partly Cloudy
49%
19°
31°
Mon
8/17
Mostly Clear
25%
18°
29°
Tue
8/18
Mostly Clear
34%
19°
35°
Wed
8/19
Drizzle
35%
21°
35°
Thu
8/20
Mostly Clear
35%
22°
40°
Fri
8/21
Drizzle
60%
19°
42°
Sat
8/22
Drizzle
60%
19°
33°
Sun
8/23
Drizzle
60%
19°
31°
Mon
8/24
Drizzle
60%
18°
30°
Tue
8/25
Drizzle
60%
18°
29°
50
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
50 AQI 9.0 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 40 50
Wed 38 Good 38 34
Thu 40 Good 36 40
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1540 J/kg
MLCAPE1692 J/kg
MUCAPE2217 J/kg
SBCIN-569 J/kg
MLCIN0 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear23 kt
0–1 km Shear24 kt
Eff. Shear15 kt
0–1 km SRH188
0–3 km SRH192
Eff. SRH-4
Storm Motion318° @ 15 kt
0–1 km EHI1.8
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.1
Thermo & Levels
PWAT1.61 in
0–3 km LR4.0 °C/km
700–500 LR7.9 °C/km
Total Totals53.1
LCL952 hPa
LFC649 hPa
EL185 hPa
Freezing Lvl14,659 ft