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

Linn County, Iowa, United States

Last updated: 6:42 PM CDT  ·  Refresh
8°C
Feels like 6°
Mostly Clear
▲ 11°  /  ▼ 1°
Wind
12 mph NNW
Humidity
70%
Dew Point
3°
Pressure
29.49 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
21%
Sunrise
7:19 AM
Sunset
6:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Linn County is currently mostly clear at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:19AM · Sunset: 6:22PM.

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
23 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
8%
7 PM
7°
8%
8 PM
7°
8%
9 PM
6°
3%
10 PM
5°
3%
11 PM
4°
3%
12 AM
4°
3%
1 AM
3°
3%
2 AM
3°
3%
3 AM
2°
3%
4 AM
2°
3%
5 AM
1°
3%
6 AM
1°
3%
7 AM
2°
3%
8 AM
3°
3%
9 AM
7°
3%
10 AM
8°
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
10°
3%
7-Day Forecast
Tonight
11° 1°
Mostly Clear.
Sat
14° 1°
Clear.
Sun
19° 3°
Clear.
Mon
21° 5°
Clear.
Tue
22° 8°
Clear.
Wed
23° 10°
Clear.
Thu
25° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Mostly Clear 8% 12 mph NNW 70%
7 PM 7° Clear 8% 10 mph NNW 72%
8 PM 7° Clear 8% 9 mph NNW 75%
9 PM 6° Clear 3% 8 mph N 77%
10 PM 5° Clear 3% 7 mph N 79%
11 PM 4° Clear 3% 6 mph N 80%
12 AM 4° Clear 3% 5 mph N 82%
1 AM 3° Clear 3% 4 mph N 82%
2 AM 3° Clear 3% 3 mph NNW 82%
3 AM 2° Clear 3% 3 mph NW 82%
4 AM 2° Clear 3% 3 mph WNW 83%
5 AM 1° Clear 3% 3 mph WSW 83%
6 AM 1° Clear 3% 3 mph SW 83%
7 AM 2° Clear 3% 4 mph SW 80%
8 AM 3° Clear 3% 5 mph SSW 72%
9 AM 7° Clear 3% 7 mph SSW 65%
10 AM 8° Clear 3% 8 mph SSW 59%
11 AM 9° Clear 3% 9 mph SSW 55%
12 PM 10° Clear 3% 10 mph SSW 51%
1 PM 13° Clear 3% 10 mph SSW 49%
2 PM 13° Clear 3% 10 mph SSW 48%
3 PM 14° Clear 3% 11 mph SSW 48%
4 PM 13° Clear 3% 10 mph SSW 52%
5 PM 10° Clear 3% 9 mph SSW 57%
15-Day Forecast
Today
10/16
Mostly Clear
8%
1°
11°
Sat
10/17
Clear
3%
1°
14°
Sun
10/18
Clear
3%
3°
19°
Mon
10/19
Clear
3%
5°
21°
Tue
10/20
Clear
3%
8°
22°
Wed
10/21
Clear
3%
10°
23°
Thu
10/22
Clear
3%
12°
25°
Fri
10/23
Clear
8%
12°
25°
Sat
10/24
Clear
44%
11°
26°
Sun
10/25
Clear
44%
7°
19°
Mon
10/26
Rain
50%
6°
16°
Tue
10/27
Clear
60%
6°
16°
Wed
10/28
Drizzle
60%
6°
17°
Thu
10/29
Drizzle
60%
7°
18°
Fri
10/30
Drizzle
60%
7°
17°
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
18 AQI 3.4 µg/m³
O3
Ground-level ozone
Dominant
23 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 23 Good 23 18
Sun 28 Good 28 12
Mon 28 Good 28 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, 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
MLCAPE8 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index14.2
Kinematics
0–6 km Shear49 kt
0–1 km Shear18 kt
Eff. Shear—
0–1 km SRH110
0–3 km SRH130
Eff. SRH—
Storm Motion26° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-17.8
Thermo & Levels
PWAT0.35 in
0–3 km LR5.2 °C/km
700–500 LR4.6 °C/km
Total Totals31.9
LCL917 hPa
LFC—
EL—
Freezing Lvl3,947 ft