Heat Advisory — Iowa, IA, Johnson, IA, Cedar, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Rock Island, IL, Henry, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 7:00 PM

Clark County, Missouri, United States

Last updated: 12:07 AM CDT  ·  Refresh
26°C
Feels like 26°
Mostly Clear
▲ 36°  /  ▼ 22°
Wind
10 mph S
Humidity
61%
Dew Point
19°
Pressure
29.20 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
6:33 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1445 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 7:40PM.

Alerts

Heat Advisory
Iowa, IA, Johnson, IA, Cedar, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Rock Island, IL, Henry, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 7:00 PM
60 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
7%
1 AM
27°
7%
2 AM
26°
7%
3 AM
26°
7%
4 AM
26°
7%
5 AM
23°
7%
6 AM
22°
7%
7 AM
22°
7%
8 AM
24°
10%
9 AM
26°
18%
10 AM
27°
18%
11 AM
29°
15%
12 PM
31°
14%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
35°
5%
5 PM
36°
7%
6 PM
35°
11%
7 PM
34°
11%
8 PM
32°
7%
9 PM
31°
7%
10 PM
29°
18%
11 PM
28°
20%
7-Day Forecast
Today
36° 22°
Partly Cloudy.
Tue
40° 22°
Mostly Clear with a 20% chance of rain.
Wed
40° 24°
Mostly Clear.
Thu
41° 21°
Clear with a 25% chance of rain.
Fri
41° 23°
Clear with a 22% chance of rain.
Sat
40° 23°
Clear.
Sun
37° 21°
Mostly Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 7% 10 mph S 61%
1 AM 27° Partly Cloudy 7% 12 mph S 56%
2 AM 26° Mostly Cloudy 7% 12 mph S 57%
3 AM 26° Partly Cloudy 7% 11 mph SSW 59%
4 AM 26° Mostly Clear 7% 11 mph SSW 60%
5 AM 23° Mostly Clear 7% 11 mph SSW 61%
6 AM 22° Clear 7% 10 mph SSW 63%
7 AM 22° Clear 7% 10 mph SSW 64%
8 AM 24° Mostly Clear 10% 12 mph SSW 58%
9 AM 26° Mostly Clear 18% 14 mph SW 52%
10 AM 27° Partly Cloudy 18% 14 mph SW 48%
11 AM 29° Partly Cloudy 15% 14 mph SW 45%
12 PM 31° Partly Cloudy 14% 13 mph SW 42%
1 PM 33° Partly Cloudy 3% 13 mph SW 38%
2 PM 34° Partly Cloudy 3% 13 mph SW 36%
3 PM 34° Partly Cloudy 3% 13 mph SW 34%
4 PM 35° Partly Cloudy 5% 13 mph SW 33%
5 PM 36° Partly Cloudy 7% 12 mph SW 35%
6 PM 35° Partly Cloudy 11% 10 mph SSW 38%
7 PM 34° Partly Cloudy 11% 10 mph SSW 41%
8 PM 32° Partly Cloudy 7% 9 mph SSW 47%
9 PM 31° Partly Cloudy 7% 9 mph SSW 52%
10 PM 29° Partly Cloudy 18% 9 mph SSW 57%
11 PM 28° Mostly Clear 20% 9 mph SSW 58%
15-Day Forecast
Today
8/31
Partly Cloudy
18%
22°
36°
Tue
9/1
Mostly Clear
20%
22°
40°
Wed
9/2
Mostly Clear
7%
24°
40°
Thu
9/3
Clear
25%
21°
41°
Fri
9/4
Clear
22%
23°
41°
Sat
9/5
Clear
18%
23°
40°
Sun
9/6
Mostly Clear
21%
21°
37°
Mon
9/7
Rain
53%
20°
38°
Tue
9/8
Drizzle
53%
18°
31°
Wed
9/9
Clear
32%
17°
32°
Thu
9/10
Drizzle
60%
18°
33°
Fri
9/11
Drizzle
60%
18°
33°
Sat
9/12
Drizzle
60%
19°
33°
Sun
9/13
Drizzle
60%
18°
33°
Mon
9/14
Drizzle
60%
17°
32°
60
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
60 AQI 13.9 µg/m³
O3
Ground-level ozone
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 60 Moderate 42 60
Tue 59 Moderate 43 59
Wed 60 Moderate 47 60
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, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE49 J/kg
MLCAPE43 J/kg
MUCAPE181 J/kg
SBCIN-751 J/kg
MLCIN-551 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear26 kt
0–1 km Shear23 kt
Eff. Shear—
0–1 km SRH233
0–3 km SRH310
Eff. SRH—
Storm Motion298° @ 13 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.0
Thermo & Levels
PWAT1.48 in
0–3 km LR4.2 °C/km
700–500 LR7.3 °C/km
Total Totals45.2
LCL895 hPa
LFC551 hPa
EL248 hPa
Freezing Lvl15,843 ft