Frost Advisory — Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 AM

Warren County, Illinois, United States

Last updated: 8:24 PM CDT  ·  Refresh
8°C
Feels like 6°
Partly Cloudy
▲ 12°  /  ▼ 2°
Wind
12 mph NNW
Humidity
76%
Dew Point
5°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
38%
Sunrise
7:13 AM
Sunset
6:20 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Warren County is currently partly cloudy at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:13AM · Sunset: 6:20PM.

Alerts

Frost Advisory
Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 AM
23 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
12%
9 PM
8°
4%
10 PM
7°
4%
11 PM
6°
4%
12 AM
6°
3%
1 AM
5°
3%
2 AM
4°
3%
3 AM
4°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
2°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
6°
3%
10 AM
7°
3%
11 AM
9°
3%
12 PM
10°
3%
1 PM
13°
3%
2 PM
13°
3%
3 PM
14°
3%
4 PM
13°
3%
5 PM
11°
3%
6 PM
10°
3%
7 PM
9°
3%
7-Day Forecast
Tonight
12° 2°
Partly Cloudy.
Sat
14° 2°
Clear.
Sun
19° 4°
Clear.
Mon
22° 6°
Mostly Clear.
Tue
24° 9°
Mostly Clear.
Wed
26° 11°
Mostly Clear.
Thu
27° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Partly Cloudy 12% 12 mph NNW 76%
9 PM 8° Clear 4% 12 mph NNW 76%
10 PM 7° Clear 4% 11 mph NNW 77%
11 PM 6° Clear 4% 10 mph N 79%
12 AM 6° Clear 3% 9 mph N 81%
1 AM 5° Clear 3% 8 mph N 83%
2 AM 4° Clear 3% 7 mph N 84%
3 AM 4° Clear 3% 6 mph N 86%
4 AM 3° Clear 3% 5 mph N 86%
5 AM 2° Clear 3% 5 mph N 87%
6 AM 2° Mostly Clear 3% 4 mph NNW 87%
7 AM 2° Mostly Clear 3% 4 mph NNW 85%
8 AM 3° Mostly Clear 3% 3 mph NNW 79%
9 AM 6° Mostly Clear 3% 2 mph N 72%
10 AM 7° Mostly Clear 3% 2 mph SW 63%
11 AM 9° Clear 3% 2 mph SSW 55%
12 PM 10° Clear 3% 3 mph SSW 47%
1 PM 13° Clear 3% 4 mph SSW 43%
2 PM 13° Clear 3% 5 mph SSW 41%
3 PM 14° Clear 3% 5 mph SW 40%
4 PM 13° Clear 3% 5 mph SSW 41%
5 PM 11° Clear 3% 5 mph SSW 44%
6 PM 10° Clear 3% 5 mph SSW 48%
7 PM 9° Clear 3% 5 mph SSW 51%
15-Day Forecast
Today
10/16
Partly Cloudy
12%
2°
12°
Sat
10/17
Clear
3%
2°
14°
Sun
10/18
Clear
3%
4°
19°
Mon
10/19
Mostly Clear
3%
6°
22°
Tue
10/20
Mostly Clear
3%
9°
24°
Wed
10/21
Mostly Clear
9%
11°
26°
Thu
10/22
Clear
14%
12°
27°
Fri
10/23
Clear
3%
13°
27°
Sat
10/24
Mostly Cloudy
15%
13°
27°
Sun
10/25
Drizzle
66%
11°
22°
Mon
10/26
Partly Cloudy
60%
8°
21°
Tue
10/27
Clear
60%
8°
20°
Wed
10/28
Drizzle
60%
8°
19°
Thu
10/29
Drizzle
60%
8°
21°
Fri
10/30
Drizzle
60%
9°
20°
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
23 AQI 4.1 µg/m³
O3
Ground-level ozone
Dominant
23 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 23 Good 23 23
Sun 27 Good 27 7
Mon 29 Good 29 23
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
MLCAPE6 J/kg
MUCAPE31 J/kg
SBCIN-133 J/kg
MLCIN-48 J/kg
Lifted Index13.6
Kinematics
0–6 km Shear49 kt
0–1 km Shear22 kt
Eff. Shear—
0–1 km SRH100
0–3 km SRH124
Eff. SRH—
Storm Motion25° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-1.6
Thermo & Levels
PWAT0.42 in
0–3 km LR5.5 °C/km
700–500 LR4.1 °C/km
Total Totals32.7
LCL947 hPa
LFC827 hPa
EL798 hPa
Freezing Lvl4,226 ft