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

Madison County, Missouri, United States

Last updated: 1:18 PM CDT  ·  Refresh
12°C
Feels like 9°
Overcast
▲ 14°  /  ▼ 1°
Wind
8 mph NNW
Humidity
66%
Dew Point
6°
Pressure
29.12 inHg
Visibility
10 mi
UV Index
3.4
Cloud Cover
86%
Sunrise
6:30 AM
Sunset
4:58 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Madison County is currently overcast at 12°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:30AM · Sunset: 4:58PM.

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
29 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
0%
2 PM
14°
0%
3 PM
14°
0%
4 PM
13°
0%
5 PM
12°
0%
6 PM
12°
0%
7 PM
11°
0%
8 PM
8°
0%
9 PM
7°
0%
10 PM
6°
0%
11 PM
6°
0%
12 AM
5°
0%
1 AM
4°
0%
2 AM
3°
0%
3 AM
3°
0%
4 AM
1°
0%
5 AM
1°
0%
6 AM
1°
0%
7 AM
1°
0%
8 AM
3°
0%
9 AM
5°
0%
10 AM
7°
0%
11 AM
8°
0%
12 PM
12°
0%
7-Day Forecast
Today
14° 1°
Mostly Cloudy.
Sat
16° 1°
Partly Cloudy.
Sun
22° 2°
Clear.
Mon
23° 6°
Clear.
Tue
24° 8°
Clear with a 21% chance of rain.
Wed
21° 6°
Mostly Clear with a 39% chance of rain.
Thu
19° 3°
Partly Cloudy with a 42% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 12° Overcast 0% 8 mph NNW 66%
2 PM 14° Mostly Cloudy 0% 8 mph N 63%
3 PM 14° Mostly Cloudy 0% 8 mph N 62%
4 PM 13° Partly Cloudy 0% 7 mph N 62%
5 PM 12° Partly Cloudy 0% 6 mph N 65%
6 PM 12° Partly Cloudy 0% 6 mph N 69%
7 PM 11° Partly Cloudy 0% 6 mph N 72%
8 PM 8° Partly Cloudy 0% 6 mph N 74%
9 PM 7° Partly Cloudy 0% 6 mph N 77%
10 PM 6° Partly Cloudy 0% 6 mph N 79%
11 PM 6° Partly Cloudy 0% 5 mph N 80%
12 AM 5° Partly Cloudy 0% 4 mph N 81%
1 AM 4° Mostly Clear 0% 4 mph N 82%
2 AM 3° Mostly Clear 0% 4 mph N 83%
3 AM 3° Mostly Clear 0% 3 mph NNW 84%
4 AM 1° Mostly Clear 0% 3 mph N 86%
5 AM 1° Mostly Clear 0% 3 mph NNW 87%
6 AM 1° Mostly Clear 0% 3 mph NNW 88%
7 AM 1° Mostly Clear 0% 3 mph NNW 85%
8 AM 3° Mostly Clear 0% 3 mph N 79%
9 AM 5° Partly Cloudy 0% 4 mph N 69%
10 AM 7° Partly Cloudy 0% 4 mph N 62%
11 AM 8° Partly Cloudy 0% 4 mph N 58%
12 PM 12° Partly Cloudy 0% 3 mph N 53%
15-Day Forecast
Today
11/6
Mostly Cloudy
0%
1°
14°
Sat
11/7
Partly Cloudy
0%
1°
16°
Sun
11/8
Clear
3%
2°
22°
Mon
11/9
Clear
3%
6°
23°
Tue
11/10
Clear
21%
8°
24°
Wed
11/11
Mostly Clear
39%
6°
21°
Thu
11/12
Partly Cloudy
42%
3°
19°
Fri
11/13
Mostly Cloudy
9%
-1°
12°
Sat
11/14
Mostly Clear
38%
-4°
13°
Sun
11/15
Mostly Cloudy
50%
-3°
16°
Mon
11/16
Overcast
78%
1°
18°
Tue
11/17
Drizzle
82%
7°
18°
Wed
11/18
Drizzle
79%
7°
18°
Thu
11/19
Drizzle
72%
6°
17°
Fri
11/20
Drizzle
76%
6°
17°
29
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
21 AQI 3.7 µg/m³
O3
Ground-level ozone
Dominant
29 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 29 Good 29 21
Sun 36 Good 29 36
Mon 31 Good 31 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 Nov 6, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE34 J/kg
MLCAPE9 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index9.6
Kinematics
0–6 km Shear14 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH8
0–3 km SRH42
Eff. SRH—
Storm Motion351° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-7.4
Thermo & Levels
PWAT0.47 in
0–3 km LR3.7 °C/km
700–500 LR7.3 °C/km
Total Totals38.3
LCL900 hPa
LFC986 hPa
EL867 hPa
Freezing Lvl10,436 ft