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

Knox County, Missouri, United States

Last updated: 1:20 PM CDT  ·  Refresh
8°C
Feels like 6°
Mostly Cloudy
▲ 9°  /  ▼ 0°
Wind
6 mph N
Humidity
67%
Dew Point
2°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
4.7
Cloud Cover
69%
Sunrise
6:42 AM
Sunset
5:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently mostly cloudy at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:42AM · Sunset: 5:00PM.

Alerts

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
Expires 8:00 AM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
0%
2 PM
9°
0%
3 PM
9°
0%
4 PM
8°
0%
5 PM
7°
0%
6 PM
6°
0%
7 PM
5°
0%
8 PM
4°
0%
9 PM
4°
0%
10 PM
3°
0%
11 PM
3°
0%
12 AM
2°
0%
1 AM
1°
0%
2 AM
1°
0%
3 AM
1°
0%
4 AM
0°
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°
Partly Cloudy.
Sat
12° 0°
Mostly Cloudy.
Sun
18° 4°
Clear.
Mon
19° 6°
Mostly Clear.
Tue
17° 7°
Mostly Clear.
Wed
14° 5°
Partly Cloudy with a 44% chance of rain.
Thu
9° 1°
Mostly Cloudy with a 57% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 8° Mostly Cloudy 0% 6 mph N 67%
2 PM 9° Partly Cloudy 0% 6 mph N 64%
3 PM 9° Partly Cloudy 0% 6 mph NNW 63%
4 PM 8° Partly Cloudy 0% 5 mph N 66%
5 PM 7° Partly Cloudy 0% 4 mph N 72%
6 PM 6° Partly Cloudy 0% 4 mph N 77%
7 PM 5° Partly Cloudy 0% 3 mph N 81%
8 PM 4° Mostly Clear 0% 3 mph N 83%
9 PM 4° Mostly Clear 0% 3 mph N 85%
10 PM 3° Mostly Clear 0% 3 mph N 86%
11 PM 3° Partly Cloudy 0% 2 mph NNE 86%
12 AM 2° Partly Cloudy 0% 2 mph N 88%
1 AM 1° Mostly Clear 0% 2 mph NNW 88%
2 AM 1° Mostly Clear 0% 2 mph WNW 89%
3 AM 1° Partly Cloudy 0% 2 mph WNW 91%
4 AM 0° Partly Cloudy 0% 2 mph W 92%
5 AM 0° Mostly Cloudy 0% 2 mph W 92%
6 AM 0° Mostly Cloudy 0% 2 mph W 92%
7 AM 1° Overcast 0% 3 mph WSW 90%
8 AM 2° Mostly Cloudy 0% 3 mph W 85%
9 AM 3° Mostly Cloudy 0% 4 mph WSW 78%
10 AM 5° Mostly Cloudy 0% 4 mph WSW 73%
11 AM 6° Mostly Cloudy 0% 4 mph WSW 70%
12 PM 8° Mostly Cloudy 0% 5 mph WSW 68%
15-Day Forecast
Today
11/6
Partly Cloudy
0%
0°
9°
Sat
11/7
Mostly Cloudy
0%
0°
12°
Sun
11/8
Clear
3%
4°
18°
Mon
11/9
Mostly Clear
3%
6°
19°
Tue
11/10
Mostly Clear
3%
7°
17°
Wed
11/11
Partly Cloudy
44%
5°
14°
Thu
11/12
Mostly Cloudy
57%
1°
9°
Fri
11/13
Mostly Clear
22%
-2°
8°
Sat
11/14
Clear
43%
-5°
9°
Sun
11/15
Overcast
51%
-4°
12°
Mon
11/16
Overcast
74%
4°
14°
Tue
11/17
Drizzle
72%
8°
14°
Wed
11/18
Drizzle
78%
6°
13°
Thu
11/19
Drizzle
81%
6°
12°
Fri
11/20
Drizzle
63%
5°
12°
28
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
18 AQI 3.4 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 28 Good 28 18
Sun 24 Good 24 22
Mon 56 Moderate 21 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 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
SBCAPE31 J/kg
MLCAPE8 J/kg
MUCAPE0 J/kg
SBCIN-0 J/kg
MLCIN-2 J/kg
Lifted Index16.0
Kinematics
0–6 km Shear20 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH9
0–3 km SRH41
Eff. SRH—
Storm Motion11° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-7.3
Thermo & Levels
PWAT0.35 in
0–3 km LR2.2 °C/km
700–500 LR7.5 °C/km
Total Totals32.7
LCL913 hPa
LFC995 hPa
EL875 hPa
Freezing Lvl2,441 ft