Frost Advisory — Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 AM

Clark County, Missouri, United States

Last updated: 7:41 PM CDT  ·  Refresh
9°C
Feels like 7°
Partly Cloudy
▲ 12°  /  ▼ 1°
Wind
12 mph NNW
Humidity
68%
Dew Point
4°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
51%
Sunrise
7:17 AM
Sunset
6:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently partly cloudy at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:17AM · Sunset: 6:25PM.

Alerts

Frost Advisory
Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 AM
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
12%
8 PM
9°
9%
9 PM
7°
4%
10 PM
7°
4%
11 PM
6°
4%
12 AM
6°
3%
1 AM
5°
3%
2 AM
4°
3%
3 AM
4°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
1°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
6°
3%
10 AM
8°
3%
11 AM
9°
3%
12 PM
11°
3%
1 PM
13°
3%
2 PM
13°
3%
3 PM
14°
3%
4 PM
13°
3%
5 PM
11°
3%
6 PM
9°
3%
7-Day Forecast
Tonight
12° 1°
Partly Cloudy.
Sat
14° 1°
Clear.
Sun
20° 3°
Clear.
Mon
23° 5°
Mostly Clear.
Tue
24° 8°
Partly Cloudy.
Wed
26° 11°
Clear.
Thu
28° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 12% 12 mph NNW 68%
8 PM 9° Partly Cloudy 9% 12 mph NNW 69%
9 PM 7° Mostly Clear 4% 11 mph NNW 70%
10 PM 7° Mostly Clear 4% 10 mph NNW 72%
11 PM 6° Mostly Clear 4% 9 mph NNW 75%
12 AM 6° Clear 3% 8 mph N 79%
1 AM 5° Clear 3% 7 mph N 82%
2 AM 4° Clear 3% 6 mph N 84%
3 AM 4° Clear 3% 6 mph N 86%
4 AM 3° Clear 3% 5 mph N 87%
5 AM 2° Clear 3% 4 mph NNW 87%
6 AM 1° Mostly Clear 3% 4 mph NNW 87%
7 AM 2° Mostly Clear 3% 3 mph NNW 84%
8 AM 3° Mostly Clear 3% 2 mph NNW 79%
9 AM 6° Mostly Clear 3% 2 mph S 71%
10 AM 8° Clear 3% 2 mph S 62%
11 AM 9° Clear 3% 3 mph SSW 53%
12 PM 11° Clear 3% 3 mph SSW 46%
1 PM 13° Clear 3% 4 mph SSW 42%
2 PM 13° Clear 3% 5 mph SSW 40%
3 PM 14° Clear 3% 5 mph SSW 38%
4 PM 13° Clear 3% 5 mph SSW 40%
5 PM 11° Clear 3% 5 mph SSW 44%
6 PM 9° Clear 3% 5 mph S 47%
15-Day Forecast
Today
10/16
Partly Cloudy
12%
1°
12°
Sat
10/17
Clear
3%
1°
14°
Sun
10/18
Clear
3%
3°
20°
Mon
10/19
Mostly Clear
3%
5°
23°
Tue
10/20
Partly Cloudy
3%
8°
24°
Wed
10/21
Clear
7%
11°
26°
Thu
10/22
Clear
14%
12°
28°
Fri
10/23
Clear
8%
13°
28°
Sat
10/24
Overcast
35%
12°
27°
Sun
10/25
Rain
66%
9°
21°
Mon
10/26
Overcast
39%
8°
21°
Tue
10/27
Drizzle
60%
8°
18°
Wed
10/28
Clear
60%
8°
19°
Thu
10/29
Drizzle
60%
8°
21°
Fri
10/30
Drizzle
60%
8°
19°
24
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
14 AQI 2.6 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 24 Good 24 14
Sun 29 Good 29 9
Mon 30 Good 30 30
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 Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2 J/kg
MLCAPE3 J/kg
MUCAPE9 J/kg
SBCIN-94 J/kg
MLCIN-28 J/kg
Lifted Index14.7
Kinematics
0–6 km Shear51 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH113
0–3 km SRH115
Eff. SRH—
Storm Motion23° @ 41 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-4.0
Thermo & Levels
PWAT0.41 in
0–3 km LR5.5 °C/km
700–500 LR3.9 °C/km
Total Totals30.1
LCL932 hPa
LFC845 hPa
EL820 hPa
Freezing Lvl4,075 ft