Sangamon County, Illinois, United States

Last updated: 8:22 PM CDT · Refresh

24°C

Feels like 28°

Mostly Cloudy

▲ 32° / ▼ 19°

Wind

4 mph NNE

Humidity

91%

Dew Point

22°

Pressure

29.29 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

76%

Sunrise

5:35 AM

Sunset

8:30 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Sangamon County is currently mostly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1538 J/kg) — isolated convective development possible. Sunrise: 5:35AM · Sunset: 8:30PM.

56 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

24°

16%

9 PM

23°

37%

10 PM

23°

29%

11 PM

23°

33%

12 AM

23°

25%

1 AM

21°

20%

2 AM

21°

3 AM

21°

20%

4 AM

21°

20%

5 AM

19°

20%

6 AM

19°

11%

7 AM

19°

11%

8 AM

21°

24%

9 AM

22°

14%

10 AM

23°

30%

11 AM

24°

30%

12 PM

26°

34%

1 PM

27°

34%

2 PM

27°

24%

3 PM

27°

25%

4 PM

27°

15%

5 PM

28°

15%

6 PM

28°

7 PM

27°

7-Day Forecast

Tonight

32° 19°

Mostly Cloudy with a 33% chance of rain.

Sun

28° 19°

Mostly Cloudy with a 30% chance of rain.

Mon

28° 18°

Mostly Clear with a 26% chance of rain.

Tue

28° 16°

Partly Cloudy.

Wed

29° 18°

Clear.

Thu

28° 20°

Heavy Rain, 82% chance.

Fri

27° 18°

Rain, 71% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Mostly Cloudy 16% 4 mph NNE 91%

9 PM 23° Mostly Cloudy 37% 3 mph NNW 93%

10 PM 23° Overcast 29% 4 mph WNW 94%

11 PM 23° Overcast 33% 3 mph WNW 95%

12 AM 23° Overcast 25% 4 mph NW 96%

1 AM 21° Overcast 20% 4 mph NNW 96%

2 AM 21° Mostly Cloudy 7% 3 mph NNW 96%

3 AM 21° Partly Cloudy 20% 2 mph NNW 96%

4 AM 21° Partly Cloudy 20% 3 mph NW 96%

5 AM 19° Mostly Cloudy 20% 4 mph NNW 96%

6 AM 19° Mostly Cloudy 11% 5 mph NNW 96%

7 AM 19° Mostly Cloudy 11% 6 mph NNW 94%

8 AM 21° Mostly Cloudy 24% 6 mph NNW 90%

9 AM 22° Overcast 14% 6 mph N 86%

10 AM 23° Overcast 30% 6 mph N 82%

11 AM 24° Mostly Cloudy 30% 6 mph N 79%

12 PM 26° Partly Cloudy 34% 6 mph N 76%

1 PM 27° Partly Cloudy 34% 7 mph N 74%

2 PM 27° Mostly Cloudy 24% 6 mph N 73%

3 PM 27° Mostly Cloudy 25% 6 mph N 73%

4 PM 27° Mostly Cloudy 15% 6 mph N 74%

5 PM 28° Mostly Cloudy 15% 6 mph N 76%

6 PM 28° Partly Cloudy 9% 7 mph N 78%

7 PM 27° Partly Cloudy 9% 7 mph N 81%

15-Day Forecast

Today

7/4

Mostly Cloudy

33%

19°

32°

Sun

7/5

Mostly Cloudy

30%

19°

28°

Mon

7/6

Mostly Clear

26%

18°

28°

Tue

7/7

Partly Cloudy

16°

28°

Wed

7/8

Clear

19%

18°

29°

Thu

7/9

Heavy Rain

82%

20°

28°

Fri

7/10

Rain

71%

18°

27°

Sat

7/11

Drizzle

53%

17°

26°

Sun

7/12

Clear

42%

15°

26°

Mon

7/13

Drizzle

44%

14°

27°

Tue

7/14

Clear

25%

18°

29°

Wed

7/15

Drizzle

60%

20°

29°

Thu

7/16

Drizzle

60%

19°

28°

Fri

7/17

Drizzle

60%

19°

28°

Sat

7/18

Drizzle

60%

19°

29°

Moderate

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

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

56 AQI 11.8 µg/m³

O₃

Ground-level ozone

35 AQI 39 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 56 Moderate 35 56

Mon 48 Good 42 48

Tue 60 Moderate 40 60

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 Sat Jul 4, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE919 J/kg

MLCAPE1196 J/kg

MUCAPE1906 J/kg

SBCIN-122 J/kg

MLCIN0 J/kg

Lifted Index-4.4

Kinematics

0–6 km Shear23 kt

0–1 km Shear12 kt

Eff. Shear23 kt

0–1 km SRH-89

0–3 km SRH-150

Eff. SRH-150

Storm Motion225° @ 15 kt

0–1 km EHI-0.5

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index26.3

Thermo & Levels

PWAT1.74 in

0–3 km LR4.6 °C/km

700–500 LR6.7 °C/km

Total Totals46.6

LCL965 hPa

LFC698 hPa

EL219 hPa

Freezing Lvl14,462 ft

Sangamon County, Illinois, United States

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