Excessive Heat Watch 7:00 PM

Linn County, Kansas, United States

Last updated: 8:57 AM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 38°  /  ▼ 25°
Wind
9 mph SW
Humidity
70%
Dew Point
23°
Pressure
28.93 inHg
Visibility
9 mi
UV Index
6.3
Cloud Cover
10%
Sunrise
6:17 AM
Sunset
8:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Linn County is currently mostly clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2554 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 8:34PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
11%
9 AM
31°
14%
10 AM
32°
14%
11 AM
34°
14%
12 PM
35°
3%
1 PM
37°
3%
2 PM
37°
3%
3 PM
38°
3%
4 PM
37°
3%
5 PM
38°
3%
6 PM
37°
3%
7 PM
35°
3%
8 PM
33°
5%
9 PM
31°
5%
10 PM
30°
5%
11 PM
29°
5%
12 AM
29°
9%
1 AM
29°
9%
2 AM
29°
5%
3 AM
29°
5%
4 AM
29°
5%
5 AM
27°
5%
6 AM
27°
5%
7 AM
27°
5%
7-Day Forecast
Today
38° 25°
Clear.
Mon
39° 26°
Partly Cloudy with a 36% chance of rain.
Tue
36° 24°
Overcast with a 35% chance of rain.
Wed
34° 25°
Mostly Cloudy with a 50% chance of rain.
Thu
36° 24°
Clear with a 51% chance of rain.
Fri
34° 22°
Drizzle, 51% chance.
Sat
32° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 11% 9 mph SW 70%
9 AM 31° Clear 14% 9 mph SW 63%
10 AM 32° Clear 14% 8 mph SW 58%
11 AM 34° Clear 14% 8 mph SW 54%
12 PM 35° Clear 3% 8 mph SSW 48%
1 PM 37° Clear 3% 9 mph SSW 46%
2 PM 37° Clear 3% 10 mph SSW 43%
3 PM 38° Clear 3% 11 mph SSW 41%
4 PM 37° Clear 3% 11 mph SSW 43%
5 PM 38° Clear 3% 10 mph SSW 46%
6 PM 37° Clear 3% 9 mph SSW 50%
7 PM 35° Partly Cloudy 3% 9 mph S 55%
8 PM 33° Partly Cloudy 5% 9 mph S 60%
9 PM 31° Partly Cloudy 5% 9 mph S 64%
10 PM 30° Partly Cloudy 5% 10 mph S 63%
11 PM 29° Partly Cloudy 5% 10 mph S 63%
12 AM 29° Partly Cloudy 9% 10 mph SSW 63%
1 AM 29° Mostly Cloudy 9% 11 mph SSW 62%
2 AM 29° Mostly Cloudy 5% 11 mph SSW 61%
3 AM 29° Mostly Cloudy 5% 12 mph SSW 60%
4 AM 29° Mostly Cloudy 5% 11 mph SSW 62%
5 AM 27° Partly Cloudy 5% 11 mph SSW 65%
6 AM 27° Partly Cloudy 5% 10 mph SSW 68%
7 AM 27° Partly Cloudy 5% 10 mph SSW 66%
15-Day Forecast
Today
7/26
Clear
14%
25°
38°
Mon
7/27
Partly Cloudy
36%
26°
39°
Tue
7/28
Overcast
35%
24°
36°
Wed
7/29
Mostly Cloudy
50%
25°
34°
Thu
7/30
Clear
51%
24°
36°
Fri
7/31
Drizzle
51%
22°
34°
Sat
8/1
Clear
8%
21°
32°
Sun
8/2
Clear
18%
20°
32°
Mon
8/3
Clear
19%
21°
35°
Tue
8/4
Drizzle
51%
23°
38°
Wed
8/5
Drizzle
60%
23°
36°
Thu
8/6
Drizzle
60%
22°
34°
Fri
8/7
Drizzle
60%
22°
34°
Sat
8/8
Drizzle
60%
23°
36°
Sun
8/9
Drizzle
60%
23°
36°
55
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
55 AQI 11.6 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 55 Moderate 33 55
Tue 51 Moderate 36 51
Wed 45 Good 45 44
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 Sun Jul 26, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2109 J/kg
MLCAPE1273 J/kg
MUCAPE2109 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear16 kt
0–1 km Shear7 kt
Eff. Shear25 kt
0–1 km SRH6
0–3 km SRH-0
Eff. SRH-0
Storm Motion233° @ 17 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index15.0
Thermo & Levels
PWAT1.15 in
0–3 km LR5.6 °C/km
700–500 LR5.9 °C/km
Total Totals41.7
LCL899 hPa
LFC980 hPa
EL161 hPa
Freezing Lvl17,005 ft