Linn County, Missouri, United States

Last updated: 3:48 PM CDT  ·  Refresh
32°C
Feels like 36°
Mostly Clear
▲ 32°  /  ▼ 20°
Wind
5 mph SSW
Humidity
59%
Dew Point
21°
Pressure
29.15 inHg
Visibility
10 mi
UV Index
8.4
Cloud Cover
25%
Sunrise
5:57 AM
Sunset
8:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Linn County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1733 J/kg) — isolated convective development possible. Sunrise: 5:57AM · Sunset: 8:39PM.

Alerts

No active alerts for this location.
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
42%
4 PM
31°
32%
5 PM
32°
32%
6 PM
30°
15%
7 PM
29°
13%
8 PM
27°
13%
9 PM
24°
13%
10 PM
23°
8%
11 PM
23°
8%
12 AM
23°
5%
1 AM
22°
5%
2 AM
21°
9%
3 AM
21°
12%
4 AM
21°
21%
5 AM
20°
20%
6 AM
21°
20%
7 AM
22°
20%
8 AM
23°
20%
9 AM
26°
10%
10 AM
29°
20%
11 AM
30°
20%
12 PM
31°
20%
1 PM
31°
20%
2 PM
31°
20%
7-Day Forecast
Today
32° 20°
Partly Cloudy with a 42% chance of rain.
Fri
33° 20°
Mostly Clear with a 22% chance of rain.
Sat
37° 21°
Mostly Clear.
Sun
32° 18°
Clear with a 43% chance of rain.
Mon
36° 22°
Clear.
Tue
33° 18°
Drizzle, 60% chance.
Wed
29° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 42% 5 mph SSW 59%
4 PM 31° Mostly Clear 32% 6 mph SW 65%
5 PM 32° Partly Cloudy 32% 7 mph SW 70%
6 PM 30° Mostly Cloudy 15% 10 mph SW 74%
7 PM 29° Mostly Cloudy 13% 7 mph SW 79%
8 PM 27° Mostly Cloudy 13% 4 mph SSW 85%
9 PM 24° Mostly Cloudy 13% 4 mph SSW 90%
10 PM 23° Partly Cloudy 8% 4 mph SSW 92%
11 PM 23° Partly Cloudy 8% 4 mph SSW 93%
12 AM 23° Partly Cloudy 5% 3 mph SSW 95%
1 AM 22° Mostly Clear 5% 3 mph SSW 96%
2 AM 21° Mostly Clear 9% 4 mph SSW 96%
3 AM 21° Fog 12% 4 mph SSW 96%
4 AM 21° Fog 21% 4 mph SSW 96%
5 AM 20° Fog 20% 4 mph SSW 95%
6 AM 21° Fog 20% 4 mph SSW 95%
7 AM 22° Mostly Clear 20% 4 mph SSW 90%
8 AM 23° Mostly Clear 20% 5 mph SW 83%
9 AM 26° Clear 10% 6 mph SW 75%
10 AM 29° Mostly Clear 20% 7 mph SW 69%
11 AM 30° Mostly Clear 20% 7 mph SW 65%
12 PM 31° Mostly Clear 20% 7 mph SW 62%
1 PM 31° Mostly Clear 20% 8 mph SW 61%
2 PM 31° Mostly Clear 20% 8 mph SW 60%
15-Day Forecast
Today
7/16
Partly Cloudy
42%
20°
32°
Fri
7/17
Mostly Clear
22%
20°
33°
Sat
7/18
Mostly Clear
16%
21°
37°
Sun
7/19
Clear
43%
18°
32°
Mon
7/20
Clear
19%
22°
36°
Tue
7/21
Drizzle
60%
18°
33°
Wed
7/22
Clear
19%
12°
29°
Thu
7/23
Drizzle
60%
14°
29°
Fri
7/24
Drizzle
60%
16°
31°
Sat
7/25
Drizzle
60%
16°
31°
Sun
7/26
Drizzle
60%
17°
32°
Mon
7/27
Drizzle
60%
21°
33°
Tue
7/28
Drizzle
60%
21°
34°
Wed
7/29
Drizzle
60%
21°
36°
Thu
7/30
Drizzle
60%
21°
34°
48
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
48 AQI 8.6 µg/m³
O3
Ground-level ozone
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 48 Good 43 48
Sat 54 Moderate 43 54
Sun 54 Moderate 36 54
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 Thu Jul 16, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1526 J/kg
MLCAPE1047 J/kg
MUCAPE1526 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear10 kt
0–1 km Shear3 kt
Eff. Shear10 kt
0–1 km SRH4
0–3 km SRH-9
Eff. SRH-9
Storm Motion54° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.8
Thermo & Levels
PWAT2.05 in
0–3 km LR8.1 °C/km
700–500 LR4.9 °C/km
Total Totals45.2
LCL839 hPa
LFC987 hPa
EL198 hPa
Freezing Lvl15,866 ft