De Kalb, Missouri

Last updated: 6:09 PM CDT · Refresh

23°C

Feels like 26°

Overcast

▲ 24° / ▼ 18°

Wind

5 mph SE

Humidity

88%

Dew Point

21°

Pressure

28.70 inHg

Visibility

8 mi

UV Index

1.6

Cloud Cover

87%

Sunrise

7:14 AM

Sunset

7:03 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: De Kalb is currently overcast at 23°C. Precipitation is likely — peak probability 90% around 10 PM. Atmospheric instability is elevated (CAPE up to 576 J/kg) — isolated convective development possible. Sunrise: 7:14AM · Sunset: 7:03PM.

30 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

61%

7 PM

23°

81%

8 PM

23°

81%

9 PM

22°

81%

10 PM

22°

90%

11 PM

22°

90%

12 AM

22°

90%

1 AM

22°

81%

2 AM

22°

55%

3 AM

22°

55%

4 AM

22°

55%

5 AM

22°

56%

6 AM

21°

56%

7 AM

21°

76%

8 AM

21°

76%

9 AM

21°

77%

10 AM

21°

77%

11 AM

21°

77%

12 PM

21°

78%

1 PM

21°

66%

2 PM

22°

66%

3 PM

22°

67%

4 PM

22°

65%

5 PM

20°

75%

7-Day Forecast

Tonight

24° 18°

Overcast with a 81% chance of rain.

Thu

24° 12°

Heavy Rain, 90% chance.

Fri

20° 8°

Clear with a 23% chance of rain.

Sat

25° 9°

Clear.

Sun

26° 11°

Clear.

Mon

22° 9°

Clear.

Tue

23° 9°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Overcast 61% 5 mph SE 88%

7 PM 23° Rain 81% 7 mph SE 89%

8 PM 23° Rain 81% 7 mph SE 91%

9 PM 22° Heavy Rain 81% 9 mph SE 92%

10 PM 22° Rain 90% 10 mph SSE 93%

11 PM 22° Overcast 90% 10 mph SSE 94%

12 AM 22° Rain 90% 11 mph S 95%

1 AM 22° Overcast 81% 12 mph S 95%

2 AM 22° Overcast 55% 12 mph S 95%

3 AM 22° Overcast 55% 10 mph SSW 95%

4 AM 22° Overcast 55% 10 mph S 96%

5 AM 22° Overcast 56% 8 mph SSW 96%

6 AM 21° Overcast 56% 8 mph SSW 96%

7 AM 21° Heavy Rain 76% 6 mph SSW 96%

8 AM 21° Heavy Rain 76% 6 mph SW 96%

9 AM 21° Heavy Rain 77% 7 mph WNW 96%

10 AM 21° Heavy Rain 77% 10 mph NNW 96%

11 AM 21° Heavy Rain 77% 10 mph NNW 95%

12 PM 21° Heavy Rain 78% 10 mph NNW 94%

1 PM 21° Heavy Rain 66% 10 mph NNW 93%

2 PM 22° Rain 66% 10 mph N 92%

3 PM 22° Rain 67% 10 mph N 91%

4 PM 22° Rain 65% 10 mph NNE 87%

5 PM 20° Mostly Cloudy 75% 13 mph NNE 88%

15-Day Forecast

Today

9/30

Overcast

81%

18°

24°

Thu

10/1

Heavy Rain

90%

12°

24°

Fri

10/2

Clear

23%

8°

20°

Sat

10/3

Clear

9°

25°

Sun

10/4

Clear

11°

26°

Mon

10/5

Clear

9°

22°

Tue

10/6

Clear

19%

9°

23°

Wed

10/7

Clear

19%

12°

27°

Thu

10/8

Clear

25%

11°

28°

Fri

10/9

Clear

25%

13°

28°

Sat

10/10

Clear

14%

14°

28°

Sun

10/11

Drizzle

60%

9°

23°

Mon

10/12

Clear

25%

8°

21°

Tue

10/13

Drizzle

60%

7°

22°

Wed

10/14

Drizzle

60%

9°

23°

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

PM_2.5

Fine particulate matter

22 AQI 3.9 µg/m³

O₃

Ground-level ozone

Dominant

30 AQI 32 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Thu 30 Good 30 22

Fri 28 Good 28 5

Sat 26 Good 26 7

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Wed Sep 30, 21:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE341 J/kg

MLCAPE175 J/kg

MUCAPE341 J/kg

SBCIN-10 J/kg

MLCIN-41 J/kg

Lifted Index-2.1

Kinematics

0–6 km Shear45 kt

0–1 km Shear9 kt

Eff. Shear45 kt

0–1 km SRH74

0–3 km SRH277

Eff. SRH277

Storm Motion252° @ 28 kt

0–1 km EHI0.2

Composite Parameters

Sig. Tornado0.1

STP (eff)0.3

Supercell2.2

K-Index35.7

Thermo & Levels

PWAT2.10 in

0–3 km LR5.3 °C/km

700–500 LR5.5 °C/km

Total Totals45.3

LCL937 hPa

LFC782 hPa

EL363 hPa

Freezing Lvl13,990 ft

De Kalb, Missouri

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