Flood Watch 9:00 AM Flood Watch 2:00 PM

Clark County, Missouri, United States

Last updated: 7:16 PM CDT  ·  Refresh
20°C
Feels like 19°
Overcast
▲ 24°  /  ▼ 16°
Wind
12 mph NE
Humidity
92%
Dew Point
19°
Pressure
29.24 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
89%
Sunrise
6:52 AM
Sunset
7:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently overcast at 20°C. Precipitation is likely — peak probability 64% around 3 AM. Sunrise: 6:52AM · Sunset: 7:07PM.

Alerts

Flood Watch
Expires 9:00 AM
Flood Watch
Expires 2:00 PM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
42%
8 PM
21°
54%
9 PM
19°
63%
10 PM
19°
62%
11 PM
18°
44%
12 AM
18°
53%
1 AM
17°
50%
2 AM
17°
54%
3 AM
17°
63%
4 AM
17°
60%
5 AM
17°
59%
6 AM
16°
53%
7 AM
16°
35%
8 AM
16°
37%
9 AM
16°
25%
10 AM
16°
15%
11 AM
16°
10%
12 PM
17°
10%
1 PM
18°
10%
2 PM
19°
16%
3 PM
19°
23%
4 PM
19°
23%
5 PM
18°
24%
6 PM
18°
21%
7-Day Forecast
Tonight
24° 16°
Overcast with a 62% chance of rain.
Mon
21° 14°
Rain, 60% chance.
Tue
18° 11°
Overcast with a 42% chance of rain.
Wed
22° 10°
Mostly Cloudy.
Thu
22° 11°
Mostly Cloudy.
Fri
23° 13°
Rain, 52% chance.
Sat
24° 13°
Drizzle, 46% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Overcast 42% 12 mph NE 92%
8 PM 21° Overcast 54% 13 mph NE 91%
9 PM 19° Overcast 63% 13 mph NE 91%
10 PM 19° Overcast 62% 12 mph NE 91%
11 PM 18° Overcast 44% 12 mph ENE 92%
12 AM 18° Overcast 53% 11 mph ENE 92%
1 AM 17° Overcast 50% 10 mph ENE 92%
2 AM 17° Overcast 54% 10 mph NE 91%
3 AM 17° Overcast 63% 10 mph NE 90%
4 AM 17° Overcast 60% 9 mph NE 91%
5 AM 17° Overcast 59% 9 mph NE 92%
6 AM 16° Overcast 53% 8 mph NE 94%
7 AM 16° Rain 35% 9 mph NE 94%
8 AM 16° Overcast 37% 9 mph NE 93%
9 AM 16° Overcast 25% 9 mph NE 91%
10 AM 16° Overcast 15% 10 mph NE 90%
11 AM 16° Overcast 10% 10 mph NE 89%
12 PM 17° Overcast 10% 10 mph NE 88%
1 PM 18° Overcast 10% 10 mph NE 87%
2 PM 19° Overcast 16% 10 mph NE 86%
3 PM 19° Overcast 23% 10 mph NE 85%
4 PM 19° Overcast 23% 10 mph NE 84%
5 PM 18° Overcast 24% 10 mph NE 85%
6 PM 18° Overcast 21% 10 mph NE 86%
15-Day Forecast
Today
9/20
Overcast
62%
16°
24°
Mon
9/21
Rain
60%
14°
21°
Tue
9/22
Overcast
42%
11°
18°
Wed
9/23
Mostly Cloudy
3%
10°
22°
Thu
9/24
Mostly Cloudy
3%
11°
22°
Fri
9/25
Rain
52%
13°
23°
Sat
9/26
Drizzle
46%
13°
24°
Sun
9/27
Partly Cloudy
13%
14°
27°
Mon
9/28
Mostly Cloudy
35%
15°
27°
Tue
9/29
Drizzle
56%
14°
27°
Wed
9/30
Drizzle
60%
13°
31°
Thu
10/1
Drizzle
60%
12°
30°
Fri
10/2
Clear
25%
12°
26°
Sat
10/3
Drizzle
60%
12°
26°
Sun
10/4
Rain
90%
12°
24°
30
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
19 AQI 3.5 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 19
Tue 34 Good 20 34
Wed 23 Good 23 23
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 Sep 20, 23:00'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
SBCAPE0 J/kg
MLCAPE16 J/kg
MUCAPE76 J/kg
SBCIN-1 J/kg
MLCIN0 J/kg
Lifted Index0.6
Kinematics
0–6 km Shear29 kt
0–1 km Shear2 kt
Eff. Shear—
0–1 km SRH15
0–3 km SRH126
Eff. SRH—
Storm Motion322° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index32.6
Thermo & Levels
PWAT1.84 in
0–3 km LR4.2 °C/km
700–500 LR6.2 °C/km
Total Totals46.6
LCL971 hPa
LFC957 hPa
EL929 hPa
Freezing Lvl13,835 ft