Cape Girardeau, Missouri

Last updated: 5:58 PM CDT  ·  Refresh
31°C
Feels like 35°
Mostly Clear
▲ 33°  /  ▼ 19°
Wind
7 mph N
Humidity
62%
Dew Point
22°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
3.6
Cloud Cover
24%
Sunrise
6:38 AM
Sunset
7:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cape Girardeau is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1279 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 7:08PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
24%
6 PM
30°
11%
7 PM
29°
14%
8 PM
28°
13%
9 PM
25°
7%
10 PM
24°
7%
11 PM
23°
7%
12 AM
23°
4%
1 AM
22°
5%
2 AM
21°
5%
3 AM
21°
5%
4 AM
20°
5%
5 AM
19°
3%
6 AM
19°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
22°
3%
10 AM
23°
3%
11 AM
25°
3%
12 PM
27°
3%
1 PM
30°
3%
2 PM
30°
3%
3 PM
30°
3%
4 PM
29°
3%
7-Day Forecast
Today
33° 19°
Mostly Clear with a 24% chance of rain.
Mon
32° 19°
Mostly Clear.
Tue
38° 21°
Clear.
Wed
38° 24°
Clear.
Thu
39° 23°
Clear.
Fri
38° 23°
Clear.
Sat
38° 22°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 24% 7 mph N 62%
6 PM 30° Mostly Cloudy 11% 7 mph N 61%
7 PM 29° Mostly Clear 14% 7 mph NNE 64%
8 PM 28° Mostly Clear 13% 7 mph NNE 67%
9 PM 25° Partly Cloudy 7% 7 mph NNE 69%
10 PM 24° Clear 7% 7 mph NNE 72%
11 PM 23° Clear 7% 7 mph NE 74%
12 AM 23° Clear 4% 8 mph NE 76%
1 AM 22° Clear 5% 8 mph NE 75%
2 AM 21° Clear 5% 9 mph NE 75%
3 AM 21° Clear 5% 9 mph NE 76%
4 AM 20° Mostly Clear 5% 9 mph NE 74%
5 AM 19° Mostly Clear 3% 9 mph NE 73%
6 AM 19° Mostly Clear 3% 9 mph NE 72%
7 AM 21° Mostly Clear 3% 9 mph ENE 68%
8 AM 22° Mostly Clear 3% 9 mph ENE 62%
9 AM 22° Mostly Clear 3% 9 mph ENE 57%
10 AM 23° Mostly Clear 3% 9 mph ENE 55%
11 AM 25° Mostly Clear 3% 8 mph E 53%
12 PM 27° Mostly Clear 3% 8 mph E 52%
1 PM 30° Mostly Clear 3% 8 mph E 52%
2 PM 30° Clear 3% 9 mph E 52%
3 PM 30° Clear 3% 9 mph E 52%
4 PM 29° Clear 3% 8 mph E 56%
15-Day Forecast
Today
9/13
Mostly Clear
24%
19°
33°
Mon
9/14
Mostly Clear
5%
19°
32°
Tue
9/15
Clear
17%
21°
38°
Wed
9/16
Clear
15%
24°
38°
Thu
9/17
Clear
16%
23°
39°
Fri
9/18
Clear
17%
23°
38°
Sat
9/19
Mostly Clear
17%
22°
38°
Sun
9/20
Clear
43%
20°
34°
Mon
9/21
Drizzle
60%
19°
32°
Tue
9/22
Drizzle
68%
18°
31°
Wed
9/23
Drizzle
60%
11°
29°
Thu
9/24
Drizzle
60%
17°
30°
Fri
9/25
Clear
60%
17°
30°
Sat
9/26
Clear
60%
16°
31°
Sun
9/27
Drizzle
60%
17°
31°
44
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
37 AQI 6.7 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 44 Good 44 37
Tue 47 Good 45 47
Wed 52 Moderate 41 52
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 Sep 13, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1625 J/kg
MLCAPE1607 J/kg
MUCAPE1937 J/kg
SBCIN-63 J/kg
MLCIN-25 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear20 kt
0–1 km Shear4 kt
Eff. Shear23 kt
0–1 km SRH-15
0–3 km SRH67
Eff. SRH67
Storm Motion319° @ 23 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.6
K-Index34.1
Thermo & Levels
PWAT1.99 in
0–3 km LR6.8 °C/km
700–500 LR5.8 °C/km
Total Totals47.3
LCL876 hPa
LFC826 hPa
EL173 hPa
Freezing Lvl15,075 ft