De Kalb, Missouri

Last updated: 3:15 AM CDT  ·  Refresh
25°C
Feels like 27°
Mostly Clear
▲ 38°  /  ▼ 21°
Wind
4 mph S
Humidity
66%
Dew Point
19°
Pressure
28.83 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
25%
Sunrise
6:51 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: De Kalb is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1660 J/kg) — isolated convective development possible. Sunrise: 6:51AM · Sunset: 7:44PM.

Alerts

No active alerts for this location.
46 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
24°
9%
9 AM
27°
9%
10 AM
29°
7%
11 AM
31°
7%
12 PM
33°
7%
1 PM
34°
11%
2 PM
37°
16%
3 PM
37°
18%
4 PM
37°
23%
5 PM
35°
18%
6 PM
35°
13%
7 PM
33°
12%
8 PM
32°
16%
9 PM
31°
12%
10 PM
27°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
26°
9%
2 AM
27°
9%
7-Day Forecast
Today
38° 21°
Partly Cloudy.
Sun
38° 21°
Partly Cloudy with a 67% chance of rain.
Mon
36° 19°
Overcast with a 55% chance of rain.
Tue
40° 21°
Clear with a 48% chance of rain.
Wed
35° 20°
Rain, 64% chance.
Thu
34° 18°
Rain, 64% chance.
Fri
33° 15°
Clear with a 55% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 4% 4 mph S 66%
4 AM 24° Partly Cloudy 4% 4 mph S 62%
5 AM 24° Partly Cloudy 4% 5 mph SSE 65%
6 AM 21° Mostly Cloudy 4% 4 mph SSE 68%
7 AM 21° Partly Cloudy 4% 4 mph SSE 69%
8 AM 24° Partly Cloudy 9% 4 mph S 63%
9 AM 27° Partly Cloudy 9% 5 mph SSW 54%
10 AM 29° Mostly Cloudy 7% 5 mph SSW 46%
11 AM 31° Mostly Cloudy 7% 5 mph SSW 42%
12 PM 33° Partly Cloudy 7% 5 mph SSW 38%
1 PM 34° Partly Cloudy 11% 5 mph S 34%
2 PM 37° Partly Cloudy 16% 5 mph S 33%
3 PM 37° Partly Cloudy 18% 6 mph S 32%
4 PM 37° Partly Cloudy 23% 5 mph SSE 32%
5 PM 35° Partly Cloudy 18% 4 mph SE 36%
6 PM 35° Partly Cloudy 13% 6 mph E 41%
7 PM 33° Mostly Cloudy 12% 7 mph ENE 45%
8 PM 32° Partly Cloudy 16% 6 mph E 49%
9 PM 31° Partly Cloudy 12% 5 mph E 53%
10 PM 27° Partly Cloudy 9% 4 mph ESE 56%
11 PM 27° Partly Cloudy 9% 4 mph E 58%
12 AM 27° Partly Cloudy 9% 5 mph E 58%
1 AM 26° Partly Cloudy 9% 5 mph E 60%
2 AM 27° Partly Cloudy 9% 5 mph E 62%
15-Day Forecast
Today
9/5
Partly Cloudy
18%
21°
38°
Sun
9/6
Partly Cloudy
67%
21°
38°
Mon
9/7
Overcast
55%
19°
36°
Tue
9/8
Clear
48%
21°
40°
Wed
9/9
Rain
64%
20°
35°
Thu
9/10
Rain
64%
18°
34°
Fri
9/11
Clear
55%
15°
33°
Sat
9/12
Drizzle
43%
14°
38°
Sun
9/13
Drizzle
44%
18°
34°
Mon
9/14
Drizzle
51%
12°
31°
Tue
9/15
Drizzle
60%
19°
34°
Wed
9/16
Drizzle
60%
19°
33°
Thu
9/17
Drizzle
60%
19°
33°
Fri
9/18
Drizzle
60%
18°
32°
Sat
9/19
Drizzle
60%
19°
33°
46
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 6.6 µg/m³
O3
Ground-level ozone
Dominant
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 46 37
Sun 49 Good 49 42
Mon 44 Good 43 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 Sat Sep 5, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE136 J/kg
MLCAPE407 J/kg
MUCAPE658 J/kg
SBCIN-706 J/kg
MLCIN-424 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear13 kt
Eff. Shear21 kt
0–1 km SRH-21
0–3 km SRH-38
Eff. SRH-11
Storm Motion68° @ 14 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT1.45 in
0–3 km LR4.6 °C/km
700–500 LR7.0 °C/km
Total Totals49.6
LCL895 hPa
LFC578 hPa
EL317 hPa
Freezing Lvl15,007 ft