Excessive Heat Warning — Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 PM Extreme Heat Watch 10:00 PM

Clark County, Missouri, United States

Last updated: 7:44 AM CDT  ·  Refresh
26°C
Feels like 32°
Haze
▲ 38°  /  ▼ 24°
Wind
3 mph SW
Humidity
96%
Dew Point
26°
Pressure
29.20 inHg
Visibility
1 mi
UV Index
2.7
Cloud Cover
82%
Sunrise
5:59 AM
Sunset
8:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently haze at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4364 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:27PM.

Alerts

Excessive Heat Warning
Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
30%
8 AM
27°
29%
9 AM
29°
21%
10 AM
31°
41%
11 AM
33°
46%
12 PM
36°
45%
1 PM
36°
45%
2 PM
37°
45%
3 PM
37°
46%
4 PM
36°
46%
5 PM
34°
46%
6 PM
32°
40%
7 PM
31°
40%
8 PM
30°
28%
9 PM
29°
28%
10 PM
29°
23%
11 PM
28°
18%
12 AM
28°
12%
1 AM
27°
17%
2 AM
27°
22%
3 AM
27°
22%
4 AM
27°
22%
5 AM
26°
14%
6 AM
26°
9%
7-Day Forecast
Today
38° 24°
Partly Cloudy with a 46% chance of rain.
Mon
38° 25°
Partly Cloudy with a 25% chance of rain.
Tue
33° 21°
Partly Cloudy.
Wed
33° 19°
Mostly Clear with a 24% chance of rain.
Thu
33° 18°
Rain, 43% chance.
Fri
31° 21°
Rain, 64% chance.
Sat
32° 18°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Haze 30% 3 mph SW 96%
8 AM 27° Mostly Cloudy 29% 5 mph SW 91%
9 AM 29° Partly Cloudy 21% 6 mph WSW 84%
10 AM 31° Partly Cloudy 41% 6 mph WSW 75%
11 AM 33° Partly Cloudy 46% 7 mph WSW 66%
12 PM 36° Mostly Clear 45% 7 mph WSW 58%
1 PM 36° Mostly Clear 45% 6 mph WSW 54%
2 PM 37° Partly Cloudy 45% 7 mph W 52%
3 PM 37° Mostly Cloudy 46% 10 mph W 51%
4 PM 36° Mostly Cloudy 46% 10 mph WSW 54%
5 PM 34° Mostly Cloudy 46% 11 mph SW 59%
6 PM 32° Mostly Cloudy 40% 10 mph SSE 64%
7 PM 31° Partly Cloudy 40% 8 mph SSE 65%
8 PM 30° Partly Cloudy 28% 6 mph SSW 65%
9 PM 29° Partly Cloudy 28% 7 mph SSW 64%
10 PM 29° Partly Cloudy 23% 7 mph SW 67%
11 PM 28° Mostly Clear 18% 7 mph SW 70%
12 AM 28° Mostly Clear 12% 7 mph SW 73%
1 AM 27° Mostly Clear 17% 7 mph SW 74%
2 AM 27° Partly Cloudy 22% 7 mph SW 75%
3 AM 27° Rain 22% 7 mph SW 76%
4 AM 27° Rain 22% 6 mph SSW 77%
5 AM 26° Partly Cloudy 14% 6 mph SSW 80%
6 AM 26° Partly Cloudy 9% 6 mph S 82%
15-Day Forecast
Today
7/26
Partly Cloudy
46%
24°
38°
Mon
7/27
Partly Cloudy
25%
25°
38°
Tue
7/28
Partly Cloudy
14%
21°
33°
Wed
7/29
Mostly Clear
24%
19°
33°
Thu
7/30
Rain
43%
18°
33°
Fri
7/31
Rain
64%
21°
31°
Sat
8/1
Rain
63%
18°
32°
Sun
8/2
Clear
18%
18°
32°
Mon
8/3
Drizzle
44%
19°
34°
Tue
8/4
Rain
50%
21°
36°
Wed
8/5
Drizzle
68%
20°
36°
Thu
8/6
Drizzle
60%
19°
33°
Fri
8/7
Drizzle
60%
19°
34°
Sat
8/8
Drizzle
60%
21°
36°
Sun
8/9
Drizzle
60%
21°
37°
55
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
55 AQI 11.3 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 55 Moderate 38 55
Tue 55 Moderate 42 55
Wed 56 Moderate 37 56
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 Sun Jul 26, 11:00'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
SBCAPE3354 J/kg
MLCAPE3314 J/kg
MUCAPE4723 J/kg
SBCIN-240 J/kg
MLCIN0 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear25 kt
0–1 km Shear14 kt
Eff. Shear26 kt
0–1 km SRH-20
0–3 km SRH-64
Eff. SRH-64
Storm Motion267° @ 18 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.6
Thermo & Levels
PWAT1.69 in
0–3 km LR4.5 °C/km
700–500 LR6.6 °C/km
Total Totals45.3
LCL979 hPa
LFC724 hPa
EL153 hPa
Freezing Lvl15,873 ft