Extreme Heat Warning — Atchison, MO, Nodaway, MO, Worth, MO, Gentry, MO, Harrison, MO, Mercer, MO, Putnam, MO, Schuyler, MO, Holt, MO, Andrew, MO, De Kalb, MO, Daviess, MO, Grundy, MO, Sullivan, MO, Adair, MO, Livingston, MO, Linn, MO, Macon, MO, Chariton, MO, Randolph, MO 8:00 PM

Mercer County, Missouri, 64673, United States

Last updated: 3:11 AM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Clear
▲ 38°  /  ▼ 19°
Wind
4 mph SSE
Humidity
69%
Dew Point
20°
Pressure
28.94 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
17%
Sunrise
6:45 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mercer County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2250 J/kg) — isolated convective development possible. Sunrise: 6:45AM · Sunset: 7:39PM.

Alerts

Extreme Heat Warning
Atchison, MO, Nodaway, MO, Worth, MO, Gentry, MO, Harrison, MO, Mercer, MO, Putnam, MO, Schuyler, MO, Holt, MO, Andrew, MO, De Kalb, MO, Daviess, MO, Grundy, MO, Sullivan, MO, Adair, MO, Livingston, MO, Linn, MO, Macon, MO, Chariton, MO, Randolph, MO
Expires 8:00 PM
48 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
4%
4 AM
24°
4%
5 AM
24°
4%
6 AM
21°
4%
7 AM
21°
4%
8 AM
23°
4%
9 AM
27°
9%
10 AM
29°
7%
11 AM
31°
7%
12 PM
33°
7%
1 PM
33°
16%
2 PM
35°
16%
3 PM
35°
16%
4 PM
34°
19%
5 PM
34°
19%
6 PM
34°
19%
7 PM
34°
20%
8 PM
32°
20%
9 PM
31°
11%
10 PM
29°
15%
11 PM
28°
15%
12 AM
27°
9%
1 AM
27°
9%
2 AM
24°
17%
7-Day Forecast
Today
38° 19°
Mostly Clear.
Sun
35° 19°
Mostly Cloudy with a 67% chance of rain.
Mon
32° 16°
Drizzle, 55% chance.
Tue
40° 18°
Clear with a 50% chance of rain.
Wed
36° 18°
Drizzle, 64% chance.
Thu
31° 14°
Rain, 64% chance.
Fri
32° 13°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 4% 4 mph SSE 69%
4 AM 24° Partly Cloudy 4% 4 mph S 66%
5 AM 24° Partly Cloudy 4% 3 mph S 68%
6 AM 21° Partly Cloudy 4% 3 mph SSW 70%
7 AM 21° Partly Cloudy 4% 3 mph SW 71%
8 AM 23° Partly Cloudy 4% 2 mph WSW 66%
9 AM 27° Partly Cloudy 9% 3 mph WSW 59%
10 AM 29° Partly Cloudy 7% 3 mph WSW 52%
11 AM 31° Mostly Clear 7% 3 mph WSW 46%
12 PM 33° Clear 7% 2 mph SW 41%
1 PM 33° Clear 16% 2 mph SSW 38%
2 PM 35° Mostly Clear 16% 3 mph ENE 38%
3 PM 35° Mostly Clear 16% 6 mph ENE 38%
4 PM 34° Partly Cloudy 19% 8 mph ENE 39%
5 PM 34° Partly Cloudy 19% 6 mph ENE 42%
6 PM 34° Partly Cloudy 19% 5 mph E 44%
7 PM 34° Partly Cloudy 20% 4 mph E 49%
8 PM 32° Partly Cloudy 20% 4 mph E 53%
9 PM 31° Partly Cloudy 11% 6 mph ENE 57%
10 PM 29° Partly Cloudy 15% 7 mph ENE 62%
11 PM 28° Partly Cloudy 15% 7 mph E 69%
12 AM 27° Partly Cloudy 9% 7 mph E 75%
1 AM 27° Mostly Clear 9% 8 mph E 80%
2 AM 24° Mostly Clear 17% 8 mph E 84%
15-Day Forecast
Today
9/5
Mostly Clear
19%
19°
38°
Sun
9/6
Mostly Cloudy
67%
19°
35°
Mon
9/7
Drizzle
55%
16°
32°
Tue
9/8
Clear
50%
18°
40°
Wed
9/9
Drizzle
64%
18°
36°
Thu
9/10
Rain
64%
14°
31°
Fri
9/11
Clear
52%
13°
32°
Sat
9/12
Drizzle
43%
13°
37°
Sun
9/13
Drizzle
44%
18°
34°
Mon
9/14
Drizzle
51%
10°
31°
Tue
9/15
Drizzle
60%
18°
33°
Wed
9/16
Clear
60%
18°
33°
Thu
9/17
Clear
60%
17°
31°
Fri
9/18
Clear
60%
17°
31°
Sat
9/19
Drizzle
60%
17°
32°
48
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
31 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
48 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 48 31
Sun 43 Good 43 33
Mon 44 Good 44 42
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 Sat Sep 5, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE535 J/kg
MLCAPE1285 J/kg
MUCAPE1786 J/kg
SBCIN-590 J/kg
MLCIN-322 J/kg
Lifted Index-2.5
Kinematics
0–6 km Shear15 kt
0–1 km Shear17 kt
Eff. Shear20 kt
0–1 km SRH57
0–3 km SRH71
Eff. SRH64
Storm Motion37° @ 12 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.2
K-Index38.0
Thermo & Levels
PWAT1.56 in
0–3 km LR4.7 °C/km
700–500 LR6.9 °C/km
Total Totals49.8
LCL912 hPa
LFC646 hPa
EL263 hPa
Freezing Lvl14,757 ft