Freeze Warning — Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Jefferson, IA, Jo Daviess, IL, Stephenson, IL, Carroll, IL, Whiteside, IL, Rock Island, IL 9:00 AM

Jo Daviess County, Illinois, United States

Last updated: 6:44 PM CDT  ·  Refresh
9°C
Feels like 6°
Mostly Clear
▲ 12°  /  ▼ 0°
Wind
14 mph N
Humidity
68%
Dew Point
3°
Pressure
29.50 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
26%
Sunrise
7:13 AM
Sunset
6:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jo Daviess County is currently mostly clear at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:13AM · Sunset: 6:16PM.

Alerts

Freeze Warning
Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Jefferson, IA, Jo Daviess, IL, Stephenson, IL, Carroll, IL, Whiteside, IL, Rock Island, IL
Expires 9:00 AM
25 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
8%
7 PM
8°
8%
8 PM
7°
8%
9 PM
6°
3%
10 PM
4°
3%
11 PM
4°
3%
12 AM
3°
3%
1 AM
3°
3%
2 AM
3°
3%
3 AM
2°
3%
4 AM
2°
3%
5 AM
0°
3%
6 AM
0°
3%
7 AM
1°
3%
8 AM
3°
3%
9 AM
6°
3%
10 AM
7°
3%
11 AM
8°
3%
12 PM
9°
3%
1 PM
12°
3%
2 PM
13°
3%
3 PM
13°
3%
4 PM
12°
3%
5 PM
9°
3%
7-Day Forecast
Tonight
12° 0°
Mostly Clear.
Sat
13° 0°
Clear.
Sun
17° 2°
Clear.
Mon
21° 4°
Clear.
Tue
22° 7°
Clear.
Wed
23° 8°
Clear.
Thu
23° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Mostly Clear 8% 14 mph N 68%
7 PM 8° Mostly Clear 8% 12 mph N 68%
8 PM 7° Mostly Clear 8% 10 mph N 71%
9 PM 6° Clear 3% 9 mph N 73%
10 PM 4° Clear 3% 8 mph N 75%
11 PM 4° Clear 3% 7 mph N 78%
12 AM 3° Clear 3% 6 mph N 82%
1 AM 3° Clear 3% 5 mph N 82%
2 AM 3° Clear 3% 4 mph N 82%
3 AM 2° Clear 3% 3 mph NNW 82%
4 AM 2° Clear 3% 3 mph NW 82%
5 AM 0° Clear 3% 2 mph WNW 83%
6 AM 0° Clear 3% 2 mph W 83%
7 AM 1° Clear 3% 2 mph SW 79%
8 AM 3° Clear 3% 4 mph SW 72%
9 AM 6° Clear 3% 6 mph SW 64%
10 AM 7° Clear 3% 7 mph SW 58%
11 AM 8° Clear 3% 8 mph SW 53%
12 PM 9° Clear 3% 9 mph SW 48%
1 PM 12° Clear 3% 10 mph SW 47%
2 PM 13° Clear 3% 10 mph SW 48%
3 PM 13° Clear 3% 10 mph SW 48%
4 PM 12° Clear 3% 10 mph SW 52%
5 PM 9° Clear 3% 9 mph SW 58%
15-Day Forecast
Today
10/16
Mostly Clear
8%
0°
12°
Sat
10/17
Clear
3%
0°
13°
Sun
10/18
Clear
3%
2°
17°
Mon
10/19
Clear
3%
4°
21°
Tue
10/20
Clear
3%
7°
22°
Wed
10/21
Clear
3%
8°
23°
Thu
10/22
Clear
8%
11°
23°
Fri
10/23
Clear
8%
11°
24°
Sat
10/24
Clear
44%
10°
25°
Sun
10/25
Clear
44%
6°
19°
Mon
10/26
Rain
64%
5°
15°
Tue
10/27
Clear
60%
4°
16°
Wed
10/28
Drizzle
60%
5°
17°
Thu
10/29
Drizzle
60%
6°
18°
Fri
10/30
Drizzle
60%
6°
17°
25
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
20 AQI 3.7 µg/m³
O3
Ground-level ozone
Dominant
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 25 Good 25 20
Sun 25 Good 25 7
Mon 32 Good 32 22
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, 22:00'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
MLCAPE9 J/kg
MUCAPE1 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index13.1
Kinematics
0–6 km Shear52 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH116
0–3 km SRH116
Eff. SRH—
Storm Motion26° @ 39 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-2.0
Thermo & Levels
PWAT0.37 in
0–3 km LR6.1 °C/km
700–500 LR4.2 °C/km
Total Totals34.4
LCL913 hPa
LFC—
EL—
Freezing Lvl4,131 ft