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

Washington County, Missouri, United States

Last updated: 1:19 PM CDT  ·  Refresh
12°C
Feels like 8°
Mostly Cloudy
▲ 13°  /  ▼ 1°
Wind
7 mph NNW
Humidity
65%
Dew Point
5°
Pressure
29.11 inHg
Visibility
10 mi
UV Index
3.9
Cloud Cover
80%
Sunrise
6:33 AM
Sunset
4:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington County is currently mostly cloudy at 12°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:33AM · Sunset: 4:59PM.

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
12°
0%
2 PM
13°
0%
3 PM
13°
0%
4 PM
12°
0%
5 PM
11°
0%
6 PM
10°
0%
7 PM
9°
0%
8 PM
7°
0%
9 PM
7°
0%
10 PM
6°
0%
11 PM
5°
0%
12 AM
4°
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
11°
0%
7-Day Forecast
Today
13° 1°
Mostly Cloudy.
Sat
15° 1°
Partly Cloudy.
Sun
20° 3°
Clear.
Mon
22° 7°
Clear.
Tue
21° 8°
Clear.
Wed
18° 6°
Mostly Clear with a 34% chance of rain.
Thu
14° 2°
Mostly Cloudy with a 34% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 12° Mostly Cloudy 0% 7 mph NNW 65%
2 PM 13° Mostly Cloudy 0% 7 mph NNW 62%
3 PM 13° Partly Cloudy 0% 7 mph NNW 60%
4 PM 12° Partly Cloudy 0% 6 mph NNW 62%
5 PM 11° Partly Cloudy 0% 5 mph N 67%
6 PM 10° Partly Cloudy 0% 5 mph N 74%
7 PM 9° Partly Cloudy 0% 4 mph N 76%
8 PM 7° Mostly Cloudy 0% 4 mph N 77%
9 PM 7° Partly Cloudy 0% 4 mph N 78%
10 PM 6° Partly Cloudy 0% 4 mph N 79%
11 PM 5° Partly Cloudy 0% 3 mph N 81%
12 AM 4° Partly Cloudy 0% 2 mph N 83%
1 AM 4° Partly Cloudy 0% 2 mph N 84%
2 AM 3° Mostly Clear 0% 2 mph N 85%
3 AM 3° Mostly Clear 0% 2 mph NNW 87%
4 AM 1° Partly Cloudy 0% 2 mph NW 88%
5 AM 1° Partly Cloudy 0% 2 mph NW 89%
6 AM 1° Partly Cloudy 0% 2 mph NW 89%
7 AM 1° Partly Cloudy 0% 2 mph NW 87%
8 AM 3° Partly Cloudy 0% 2 mph NW 81%
9 AM 5° Mostly Cloudy 0% 2 mph NW 71%
10 AM 7° Mostly Cloudy 0% 3 mph NNW 63%
11 AM 8° Mostly Cloudy 0% 3 mph NNW 58%
12 PM 11° Mostly Cloudy 0% 3 mph NNW 54%
15-Day Forecast
Today
11/6
Mostly Cloudy
0%
1°
13°
Sat
11/7
Partly Cloudy
0%
1°
15°
Sun
11/8
Clear
3%
3°
20°
Mon
11/9
Clear
3%
7°
22°
Tue
11/10
Clear
3%
8°
21°
Wed
11/11
Mostly Clear
34%
6°
18°
Thu
11/12
Mostly Cloudy
34%
2°
14°
Fri
11/13
Mostly Cloudy
30%
-1°
10°
Sat
11/14
Mostly Clear
37%
-3°
12°
Sun
11/15
Mostly Cloudy
49%
-3°
14°
Mon
11/16
Overcast
84%
3°
16°
Tue
11/17
Drizzle
76%
8°
16°
Wed
11/18
Drizzle
84%
7°
16°
Thu
11/19
Drizzle
72%
6°
15°
Fri
11/20
Drizzle
74%
6°
14°
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
14 AQI 2.6 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 28 Good 28 14
Sun 30 Good 29 30
Mon 31 Good 31 25
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
SBCAPE37 J/kg
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index10.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH8
0–3 km SRH51
Eff. SRH—
Storm Motion0° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-9.3
Thermo & Levels
PWAT0.43 in
0–3 km LR3.4 °C/km
700–500 LR7.4 °C/km
Total Totals34.8
LCL894 hPa
LFC986 hPa
EL864 hPa
Freezing Lvl10,512 ft