Henry County, Illinois, United States

Last updated: 10:02 AM CDT · Refresh

20°C

Feels like 21°

Overcast

▲ 21° / ▼ 14°

Wind

7 mph NE

Humidity

97%

Dew Point

19°

Pressure

29.17 inHg

Visibility

5 mi

UV Index

3.3

Cloud Cover

87%

Sunrise

6:46 AM

Sunset

7:00 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Henry County is currently overcast at 20°C. Precipitation is likely — peak probability 79% around 10 AM. Sunrise: 6:46AM · Sunset: 7:00PM.

27 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

78%

11 AM

18°

60%

12 PM

18°

61%

1 PM

19°

51%

2 PM

19°

50%

3 PM

19°

32%

4 PM

19°

31%

5 PM

19°

20%

6 PM

19°

21%

7 PM

18°

21%

8 PM

18°

22%

9 PM

18°

18%

10 PM

17°

27%

11 PM

17°

28%

12 AM

17°

28%

1 AM

16°

31%

2 AM

16°

42%

3 AM

16°

42%

4 AM

16°

33%

5 AM

15°

37%

6 AM

15°

41%

7 AM

14°

41%

8 AM

15°

41%

9 AM

14°

45%

7-Day Forecast

Today

21° 14°

Overcast with a 78% chance of rain.

Mon

19° 13°

Overcast with a 56% chance of rain.

Tue

18° 9°

Mostly Cloudy with a 55% chance of rain.

Wed

21° 9°

Clear.

Thu

22° 9°

Clear.

Fri

22° 12°

Clear.

Sat

22° 12°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Overcast 78% 7 mph NE 97%

11 AM 18° Overcast 60% 9 mph NE 96%

12 PM 18° Overcast 61% 11 mph NE 95%

1 PM 19° Overcast 51% 12 mph NE 95%

2 PM 19° Overcast 50% 13 mph NE 94%

3 PM 19° Overcast 32% 13 mph NE 93%

4 PM 19° Overcast 31% 12 mph NE 92%

5 PM 19° Overcast 20% 12 mph NE 91%

6 PM 19° Overcast 21% 12 mph NE 90%

7 PM 18° Overcast 21% 13 mph NE 89%

8 PM 18° Overcast 22% 14 mph NE 88%

9 PM 18° Overcast 18% 14 mph NE 88%

10 PM 17° Overcast 27% 14 mph NE 87%

11 PM 17° Overcast 28% 14 mph NE 87%

12 AM 17° Overcast 28% 13 mph NE 87%

1 AM 16° Overcast 31% 13 mph NE 89%

2 AM 16° Overcast 42% 12 mph NE 88%

3 AM 16° Overcast 42% 12 mph NE 88%

4 AM 16° Overcast 33% 12 mph NE 88%

5 AM 15° Overcast 37% 12 mph NE 87%

6 AM 15° Overcast 41% 12 mph NE 86%

7 AM 14° Overcast 41% 12 mph NE 86%

8 AM 15° Overcast 41% 12 mph NE 86%

9 AM 14° Overcast 45% 12 mph ENE 86%

15-Day Forecast

Today

9/20

Overcast

78%

14°

21°

Mon

9/21

Overcast

56%

13°

19°

Tue

9/22

Mostly Cloudy

55%

9°

18°

Wed

9/23

Clear

16%

9°

21°

Thu

9/24

Clear

9°

22°

Fri

9/25

Clear

12°

22°

Sat

9/26

Clear

17%

12°

22°

Sun

9/27

Drizzle

43%

12°

23°

Mon

9/28

Drizzle

44%

12°

24°

Tue

9/29

Drizzle

51%

13°

23°

Wed

9/30

Drizzle

60%

13°

24°

Thu

10/1

Drizzle

60%

13°

23°

Fri

10/2

Drizzle

60%

12°

22°

Sat

10/3

Clear

25%

11°

22°

Sun

10/4

Drizzle

60%

10°

21°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

27 AQI 4.8 µg/m³

O₃

Ground-level ozone

24 AQI 27 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 27 Good 24 27

Tue 19 Good 19 11

Wed 32 Good 32 9

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 Sun Sep 20, 13:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE15 J/kg

MUCAPE9 J/kg

SBCIN-50 J/kg

MLCIN0 J/kg

Lifted Index0.8

Kinematics

0–6 km Shear33 kt

0–1 km Shear2 kt

Eff. Shear—

0–1 km SRH-10

0–3 km SRH81

Eff. SRH—

Storm Motion304° @ 23 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index34.1

Thermo & Levels

PWAT1.99 in

0–3 km LR4.5 °C/km

700–500 LR5.4 °C/km

Total Totals43.5

LCL980 hPa

LFC659 hPa

EL638 hPa

Freezing Lvl13,645 ft

Henry County, Illinois, United States

Alerts