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

Montgomery County, Illinois, United States

Last updated: 1:18 PM CDT  ·  Refresh
9°C
Feels like 7°
Partly Cloudy
▲ 11°  /  ▼ 0°
Wind
12 mph NNW
Humidity
58%
Dew Point
2°
Pressure
29,51 inHg
Visibility
10 mi
UV Index
5,5
Cloud Cover
56%
Sunrise
6:30 AM
Sunset
4:51 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Montgomery County is currently partly cloudy at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:30AM · Sunset: 4:51PM.

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
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
0%
2 PM
9°
0%
3 PM
9°
0%
4 PM
9°
0%
5 PM
7°
0%
6 PM
6°
0%
7 PM
5°
0%
8 PM
4°
0%
9 PM
3°
0%
10 PM
3°
0%
11 PM
2°
0%
12 AM
2°
0%
1 AM
2°
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
7°
0%
7-Day Forecast
Today
11° 0°
Partly Cloudy.
Sat
11° 0°
Partly Cloudy.
Sun
17° 3°
Mostly Clear.
Mon
18° 7°
Clear.
Tue
17° 7°
Clear.
Wed
14° 6°
Mostly Clear with a 43% chance of rain.
Thu
9° 2°
Overcast with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 0% 12 mph NNW 58%
2 PM 9° Partly Cloudy 0% 11 mph NNW 55%
3 PM 9° Mostly Clear 0% 10 mph NNW 53%
4 PM 9° Mostly Clear 0% 8 mph NNW 56%
5 PM 7° Clear 0% 6 mph NW 62%
6 PM 6° Clear 0% 5 mph NW 70%
7 PM 5° Clear 0% 5 mph NNW 74%
8 PM 4° Clear 0% 4 mph NNW 77%
9 PM 3° Clear 0% 4 mph NNW 80%
10 PM 3° Clear 0% 4 mph NNW 83%
11 PM 2° Clear 0% 4 mph NNW 86%
12 AM 2° Clear 0% 3 mph NNW 89%
1 AM 2° Clear 0% 3 mph NNW 90%
2 AM 1° Clear 0% 3 mph NNW 90%
3 AM 1° Clear 0% 3 mph NNW 90%
4 AM 0° Mostly Clear 0% 3 mph NW 90%
5 AM 0° Mostly Clear 0% 3 mph NW 91%
6 AM 0° Partly Cloudy 0% 2 mph NW 91%
7 AM 1° Partly Cloudy 0% 3 mph NW 89%
8 AM 2° Partly Cloudy 0% 3 mph NW 82%
9 AM 3° Partly Cloudy 0% 4 mph NW 73%
10 AM 5° Partly Cloudy 0% 4 mph NW 66%
11 AM 6° Partly Cloudy 0% 4 mph NW 62%
12 PM 7° Mostly Cloudy 0% 4 mph NW 59%
15-Day Forecast
Today
11/6
Partly Cloudy
0%
0°
11°
Sat
11/7
Partly Cloudy
0%
0°
11°
Sun
11/8
Mostly Clear
3%
3°
17°
Mon
11/9
Clear
3%
7°
18°
Tue
11/10
Clear
3%
7°
17°
Wed
11/11
Mostly Clear
43%
6°
14°
Thu
11/12
Overcast
53%
2°
9°
Fri
11/13
Mostly Cloudy
14%
0°
7°
Sat
11/14
Mostly Clear
29%
-3°
8°
Sun
11/15
Mostly Cloudy
54%
-3°
11°
Mon
11/16
Overcast
84%
2°
13°
Tue
11/17
Drizzle
84%
8°
13°
Wed
11/18
Drizzle
83%
7°
13°
Thu
11/19
Drizzle
74%
6°
12°
Fri
11/20
Drizzle
73%
6°
11°
26
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
17 AQI 3.0 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 26 Good 26 17
Sun 31 Good 22 31
Mon 55 Moderate 26 55
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 ven. nov. 6, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE56 J/kg
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index15.6
Kinematics
0–6 km Shear19 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH17
0–3 km SRH35
Eff. SRH—
Storm Motion347° @ 32 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-20.4
Thermo & Levels
PWAT0.33 in
0–3 km LR2.7 °C/km
700–500 LR7.3 °C/km
Total Totals27.5
LCL891 hPa
LFC999 hPa
EL871 hPa
Freezing Lvl2,628 ft