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

Lewis County, Missouri, United States

Last updated: 7:30 PM CDT  ·  Refresh
9°C
Feels like 7°
Partly Cloudy
▲ 12°  /  ▼ 1°
Wind
13 mph NNW
Humidity
68%
Dew Point
5°
Pressure
29.74 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
54%
Sunrise
7:17 AM
Sunset
6:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lewis County is currently partly cloudy at 10°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:17AM · Sunset: 6:25PM.

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
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
8%
8 PM
9°
8%
9 PM
8°
3%
10 PM
7°
3%
11 PM
7°
3%
12 AM
6°
3%
1 AM
6°
3%
2 AM
5°
3%
3 AM
4°
3%
4 AM
4°
3%
5 AM
2°
3%
6 AM
1°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
6°
3%
10 AM
8°
3%
11 AM
9°
3%
12 PM
11°
3%
1 PM
13°
3%
2 PM
14°
3%
3 PM
14°
3%
4 PM
14°
3%
5 PM
11°
3%
6 PM
10°
3%
7-Day Forecast
Tonight
12° 1°
Partly Cloudy.
Sat
14° 1°
Clear.
Sun
21° 3°
Clear.
Mon
23° 5°
Clear.
Tue
25° 8°
Clear.
Wed
26° 11°
Clear.
Thu
28° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 8% 13 mph NNW 68%
8 PM 9° Mostly Clear 8% 12 mph NNW 67%
9 PM 8° Mostly Clear 3% 11 mph NNW 68%
10 PM 7° Clear 3% 10 mph NNW 70%
11 PM 7° Clear 3% 9 mph NNW 72%
12 AM 6° Clear 3% 8 mph N 76%
1 AM 6° Clear 3% 8 mph N 79%
2 AM 5° Clear 3% 7 mph N 82%
3 AM 4° Clear 3% 6 mph N 84%
4 AM 4° Clear 3% 5 mph N 86%
5 AM 2° Mostly Clear 3% 5 mph NNW 87%
6 AM 1° Mostly Clear 3% 4 mph NNW 87%
7 AM 2° Mostly Clear 3% 3 mph NNW 85%
8 AM 3° Mostly Clear 3% 2 mph N 79%
9 AM 6° Clear 3% 2 mph NE 70%
10 AM 8° Clear 3% 2 mph E 61%
11 AM 9° Clear 3% 1 mph SSE 52%
12 PM 11° Clear 3% 2 mph S 44%
1 PM 13° Clear 3% 2 mph S 39%
2 PM 14° Clear 3% 3 mph SSW 37%
3 PM 14° Clear 3% 4 mph SSW 35%
4 PM 14° Clear 3% 4 mph SSW 36%
5 PM 11° Clear 3% 4 mph S 39%
6 PM 10° Clear 3% 4 mph S 42%
15-Day Forecast
Today
10/16
Partly Cloudy
8%
1°
12°
Sat
10/17
Clear
3%
1°
14°
Sun
10/18
Clear
3%
3°
21°
Mon
10/19
Clear
3%
5°
23°
Tue
10/20
Clear
3%
8°
25°
Wed
10/21
Clear
3%
11°
26°
Thu
10/22
Clear
8%
12°
28°
Fri
10/23
Clear
8%
13°
28°
Sat
10/24
Drizzle
44%
12°
28°
Sun
10/25
Rain
68%
9°
22°
Mon
10/26
Clear
25%
8°
23°
Tue
10/27
Drizzle
60%
8°
19°
Wed
10/28
Clear
60%
8°
20°
Thu
10/29
Drizzle
60%
8°
21°
Fri
10/30
Drizzle
60%
8°
20°
24
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
16 AQI 2.9 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 24 Good 24 16
Sun 29 Good 29 10
Mon 31 Good 28 31
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 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
SBCAPE1 J/kg
MLCAPE2 J/kg
MUCAPE9 J/kg
SBCIN-79 J/kg
MLCIN-22 J/kg
Lifted Index14.5
Kinematics
0–6 km Shear53 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH119
0–3 km SRH104
Eff. SRH—
Storm Motion23° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-1.2
Thermo & Levels
PWAT0.43 in
0–3 km LR5.7 °C/km
700–500 LR3.8 °C/km
Total Totals30.4
LCL932 hPa
LFC854 hPa
EL822 hPa
Freezing Lvl4,108 ft