Freeze Warning — Greene, IL, Macoupin, IL, Montgomery, IL, Bond, IL, Fayette, IL, Clinton, IL, Marion, IL, Washington, IL, Randolph, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Madison, IL, St. Clair, IL, Monroe, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Boone, MO, Audrain, MO, Moniteau, MO, Cole, MO, Osage, MO, Callaway, MO, Montgomery, MO, Lincoln, MO, Gasconade, MO, Warren, MO, St. Charles, MO, Franklin, MO, St. Louis, MO, St. Louis City, MO, Jefferson, MO, Crawford, MO, Washington, MO, St. Francois, MO, Ste. Genevieve, MO, Iron, MO, Madison, MO, Reynolds, MO 8:00 AM

Marion County, Missouri, United States

Last updated: 1:19 PM CDT  ·  Refresh
8°C
Feels like 6°
Mostly Cloudy
▲ 9°  /  ▼ 0°
Wind
7 mph N
Humidity
65%
Dew Point
3°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
4.3
Cloud Cover
75%
Sunrise
6:39 AM
Sunset
4:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly cloudy at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:39AM · Sunset: 4:58PM.

33 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
0%
2 PM
9°
0%
3 PM
9°
0%
4 PM
9°
0%
5 PM
8°
0%
6 PM
7°
0%
7 PM
6°
0%
8 PM
6°
0%
9 PM
4°
0%
10 PM
4°
0%
11 PM
4°
0%
12 AM
3°
0%
1 AM
2°
0%
2 AM
2°
0%
3 AM
2°
0%
4 AM
1°
0%
5 AM
0°
0%
6 AM
0°
0%
7 AM
1°
0%
8 AM
2°
0%
9 AM
3°
0%
10 AM
5°
0%
11 AM
6°
0%
12 PM
8°
0%
7-Day Forecast
Today
9° 0°
Mostly Cloudy.
Sat
12° 0°
Mostly Cloudy.
Sun
18° 3°
Clear.
Mon
19° 7°
Partly Cloudy.
Tue
17° 7°
Clear.
Wed
14° 5°
Partly Cloudy with a 41% chance of rain.
Thu
9° 2°
Mostly Cloudy with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 8° Mostly Cloudy 0% 7 mph N 65%
2 PM 9° Mostly Cloudy 0% 7 mph NNW 63%
3 PM 9° Mostly Cloudy 0% 6 mph NNW 62%
4 PM 9° Partly Cloudy 0% 6 mph NNW 64%
5 PM 8° Partly Cloudy 0% 4 mph NNW 70%
6 PM 7° Partly Cloudy 0% 4 mph NNW 75%
7 PM 6° Partly Cloudy 0% 4 mph NNW 76%
8 PM 6° Partly Cloudy 0% 3 mph N 78%
9 PM 4° Partly Cloudy 0% 3 mph N 81%
10 PM 4° Partly Cloudy 0% 3 mph N 83%
11 PM 4° Mostly Clear 0% 2 mph N 84%
12 AM 3° Mostly Clear 0% 2 mph N 86%
1 AM 2° Mostly Clear 0% 2 mph NNW 87%
2 AM 2° Mostly Clear 0% 2 mph WNW 88%
3 AM 2° Partly Cloudy 0% 2 mph WNW 90%
4 AM 1° Partly Cloudy 0% 2 mph WNW 90%
5 AM 0° Partly Cloudy 0% 2 mph W 90%
6 AM 0° Partly Cloudy 0% 2 mph W 90%
7 AM 1° Mostly Cloudy 0% 2 mph W 88%
8 AM 2° Mostly Cloudy 0% 2 mph W 82%
9 AM 3° Mostly Cloudy 0% 3 mph W 75%
10 AM 5° Mostly Cloudy 0% 3 mph W 69%
11 AM 6° Mostly Cloudy 0% 3 mph W 65%
12 PM 8° Mostly Cloudy 0% 4 mph W 62%
15-Day Forecast
Today
11/6
Mostly Cloudy
0%
0°
9°
Sat
11/7
Mostly Cloudy
0%
0°
12°
Sun
11/8
Clear
3%
3°
18°
Mon
11/9
Partly Cloudy
3%
7°
19°
Tue
11/10
Clear
3%
7°
17°
Wed
11/11
Partly Cloudy
41%
5°
14°
Thu
11/12
Mostly Cloudy
60%
2°
9°
Fri
11/13
Partly Cloudy
16%
-1°
8°
Sat
11/14
Mostly Clear
35%
-4°
9°
Sun
11/15
Overcast
50%
-3°
12°
Mon
11/16
Overcast
75%
3°
14°
Tue
11/17
Drizzle
74%
8°
14°
Wed
11/18
Drizzle
79%
7°
13°
Thu
11/19
Drizzle
77%
6°
12°
Fri
11/20
Clear
52%
6°
12°
33
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
16 AQI 2.9 µg/m³
O3
Ground-level ozone
Dominant
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 33 Good 33 16
Sun 30 Good 30 27
Mon 51 Moderate 31 51
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 Nov 6, 18:00'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
SBCAPE38 J/kg
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-2 J/kg
Lifted Index15.8
Kinematics
0–6 km Shear20 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH12
0–3 km SRH41
Eff. SRH—
Storm Motion10° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-10.5
Thermo & Levels
PWAT0.36 in
0–3 km LR2.2 °C/km
700–500 LR7.5 °C/km
Total Totals31.9
LCL916 hPa
LFC1000 hPa
EL878 hPa
Freezing Lvl2,543 ft