Frost Advisory — Greene, IL, Macoupin, IL, Montgomery, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Audrain, MO, Lincoln, MO 9:00 AM

Monroe County, Missouri, United States

Last updated: 8:23 PM CDT  ·  Refresh
9°C
Feels like 7°
Partly Cloudy
▲ 12°  /  ▼ 1°
Wind
13 mph NNW
Humidity
65%
Dew Point
4°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
59%
Sunrise
7:18 AM
Sunset
6:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Monroe County is currently partly cloudy at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:18AM · Sunset: 6:27PM.

Alerts

Frost Advisory
Greene, IL, Macoupin, IL, Montgomery, IL, Adams, IL, Brown, IL, Pike, IL, Calhoun, IL, Jersey, IL, Knox, MO, Lewis, MO, Shelby, MO, Marion, MO, Monroe, MO, Ralls, MO, Pike, MO, Audrain, MO, Lincoln, MO
Expires 9:00 AM
23 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
9%
9 PM
8°
4%
10 PM
7°
4%
11 PM
7°
4%
12 AM
6°
3%
1 AM
6°
3%
2 AM
5°
3%
3 AM
4°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
1°
3%
7 AM
1°
3%
8 AM
3°
3%
9 AM
7°
3%
10 AM
8°
3%
11 AM
10°
3%
12 PM
12°
3%
1 PM
14°
3%
2 PM
15°
3%
3 PM
15°
3%
4 PM
15°
3%
5 PM
12°
3%
6 PM
11°
3%
7 PM
11°
3%
7-Day Forecast
Tonight
12° 1°
Partly Cloudy.
Sat
16° 1°
Clear.
Sun
21° 3°
Clear.
Mon
23° 4°
Clear.
Tue
26° 8°
Mostly Clear.
Wed
27° 10°
Mostly Clear.
Thu
28° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 9% 13 mph NNW 65%
9 PM 8° Mostly Clear 4% 10 mph N 69%
10 PM 7° Mostly Clear 4% 10 mph N 70%
11 PM 7° Mostly Clear 4% 9 mph N 70%
12 AM 6° Mostly Clear 3% 8 mph N 71%
1 AM 6° Mostly Clear 3% 7 mph N 73%
2 AM 5° Clear 3% 7 mph N 78%
3 AM 4° Clear 3% 6 mph NNW 82%
4 AM 3° Clear 3% 6 mph NNW 86%
5 AM 2° Clear 3% 5 mph N 87%
6 AM 1° Clear 3% 4 mph NNW 88%
7 AM 1° Clear 3% 4 mph NNW 86%
8 AM 3° Clear 3% 3 mph N 78%
9 AM 7° Clear 3% 3 mph NE 67%
10 AM 8° Clear 3% 3 mph ENE 57%
11 AM 10° Clear 3% 2 mph ENE 49%
12 PM 12° Clear 3% 2 mph E 42%
1 PM 14° Clear 3% 2 mph SE 36%
2 PM 15° Clear 3% 2 mph SSE 34%
3 PM 15° Clear 3% 2 mph S 32%
4 PM 15° Clear 3% 2 mph S 33%
5 PM 12° Clear 3% 3 mph SSE 36%
6 PM 11° Clear 3% 3 mph SSE 39%
7 PM 11° Clear 3% 3 mph SSE 41%
15-Day Forecast
Today
10/16
Partly Cloudy
9%
1°
12°
Sat
10/17
Clear
3%
1°
16°
Sun
10/18
Clear
3%
3°
21°
Mon
10/19
Clear
3%
4°
23°
Tue
10/20
Mostly Clear
5%
8°
26°
Wed
10/21
Mostly Clear
5%
10°
27°
Thu
10/22
Clear
7%
11°
28°
Fri
10/23
Mostly Clear
3%
12°
29°
Sat
10/24
Mostly Cloudy
15%
12°
28°
Sun
10/25
Partly Cloudy
40%
11°
23°
Mon
10/26
Drizzle
60%
8°
22°
Tue
10/27
Drizzle
60%
8°
21°
Wed
10/28
Drizzle
60%
8°
21°
Thu
10/29
Drizzle
60%
9°
22°
Fri
10/30
Drizzle
60%
9°
22°
23
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 3.1 µg/m³
O3
Ground-level ozone
Dominant
23 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 23 Good 23 17
Sun 30 Good 30 9
Mon 31 Good 31 27
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE2 J/kg
MUCAPE10 J/kg
SBCIN—
MLCIN-23 J/kg
Lifted Index15.7
Kinematics
0–6 km Shear51 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH100
0–3 km SRH104
Eff. SRH—
Storm Motion23° @ 42 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-6.7
Thermo & Levels
PWAT0.42 in
0–3 km LR5.3 °C/km
700–500 LR3.9 °C/km
Total Totals29.1
LCL921 hPa
LFC—
EL—
Freezing Lvl3,999 ft