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

Stephenson County, Illinois, United States

Last updated: 6:41 PM CDT  ·  Refresh
9°C
Feels like 6°
Partly Cloudy
▲ 11°  /  ▼ 0°
Wind
14 mph N
Humidity
67%
Dew Point
3°
Pressure
29.45 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
53%
Sunrise
7:11 AM
Sunset
6:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Stephenson County is currently partly cloudy at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:11AM · Sunset: 6:14PM.

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
24 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
5°
3%
11 PM
4°
3%
12 AM
3°
3%
1 AM
3°
3%
2 AM
2°
3%
3 AM
2°
3%
4 AM
2°
3%
5 AM
1°
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
13°
3%
2 PM
13°
3%
3 PM
13°
3%
4 PM
12°
3%
5 PM
11°
3%
7-Day Forecast
Tonight
11° 0°
Partly Cloudy.
Sat
13° 0°
Clear.
Sun
17° 3°
Clear.
Mon
21° 4°
Clear.
Tue
22° 7°
Clear.
Wed
22° 9°
Clear.
Thu
23° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 8% 14 mph N 67%
7 PM 8° Partly Cloudy 8% 11 mph N 66%
8 PM 7° Mostly Clear 8% 10 mph N 66%
9 PM 6° Clear 3% 10 mph N 68%
10 PM 5° Clear 3% 9 mph N 72%
11 PM 4° Clear 3% 8 mph N 76%
12 AM 3° Clear 3% 6 mph N 79%
1 AM 3° Clear 3% 5 mph NNW 81%
2 AM 2° Clear 3% 5 mph NNW 82%
3 AM 2° Clear 3% 4 mph NNW 82%
4 AM 2° Clear 3% 4 mph NNW 82%
5 AM 1° Clear 3% 4 mph NW 83%
6 AM 0° Clear 3% 3 mph WNW 83%
7 AM 1° Clear 3% 3 mph W 79%
8 AM 3° Clear 3% 3 mph WSW 72%
9 AM 6° Clear 3% 4 mph SW 62%
10 AM 7° Clear 3% 6 mph SW 55%
11 AM 8° Clear 3% 7 mph SW 50%
12 PM 9° Clear 3% 9 mph SW 45%
1 PM 13° Clear 3% 10 mph SW 43%
2 PM 13° Clear 3% 10 mph SW 44%
3 PM 13° Clear 3% 10 mph SW 44%
4 PM 12° Clear 3% 10 mph SW 48%
5 PM 11° Clear 3% 9 mph SW 53%
15-Day Forecast
Today
10/16
Partly Cloudy
8%
0°
11°
Sat
10/17
Clear
3%
0°
13°
Sun
10/18
Clear
3%
3°
17°
Mon
10/19
Clear
3%
4°
21°
Tue
10/20
Clear
3%
7°
22°
Wed
10/21
Clear
3%
9°
22°
Thu
10/22
Clear
8%
11°
23°
Fri
10/23
Clear
3%
12°
24°
Sat
10/24
Clear
18%
10°
24°
Sun
10/25
Clear
44%
6°
18°
Mon
10/26
Rain
64%
5°
14°
Tue
10/27
Clear
60%
4°
16°
Wed
10/28
Clear
60%
6°
16°
Thu
10/29
Drizzle
60%
6°
17°
Fri
10/30
Clear
60%
6°
16°
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
21 AQI 3.7 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 24 Good 24 21
Sun 25 Good 25 14
Mon 30 Good 30 20
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
MLCAPE7 J/kg
MUCAPE6 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index12.5
Kinematics
0–6 km Shear53 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH102
0–3 km SRH91
Eff. SRH—
Storm Motion25° @ 37 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index1.9
Thermo & Levels
PWAT0.39 in
0–3 km LR6.4 °C/km
700–500 LR4.2 °C/km
Total Totals35.2
LCL908 hPa
LFC—
EL—
Freezing Lvl4,108 ft