Excessive Heat Watch 7:00 PM

Monroe County, Illinois, United States

Last updated: 8:56 AM CDT  ·  Refresh
28°C
Feels like 32°
Partly Cloudy
▲ 38°  /  ▼ 23°
Wind
5 mph W
Humidity
83%
Dew Point
25°
Pressure
29.30 inHg
Visibility
7 mi
UV Index
5.6
Cloud Cover
58%
Sunrise
5:58 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Monroe County is currently partly cloudy at 28°C. Precipitation is likely — peak probability 52% around 4 PM. Atmospheric instability is elevated (CAPE up to 4044 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:15PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
30%
9 AM
30°
38%
10 AM
32°
37%
11 AM
33°
37%
12 PM
34°
36%
1 PM
36°
40%
2 PM
37°
40%
3 PM
37°
40%
4 PM
36°
52%
5 PM
34°
51%
6 PM
33°
51%
7 PM
32°
43%
8 PM
30°
25%
9 PM
28°
22%
10 PM
27°
14%
11 PM
27°
8%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
3%
7-Day Forecast
Today
38° 23°
Mostly Cloudy with a 51% chance of rain.
Mon
39° 23°
Mostly Clear with a 35% chance of rain.
Tue
37° 22°
Mostly Clear with a 26% chance of rain.
Wed
32° 18°
Partly Cloudy with a 37% chance of rain.
Thu
32° 18°
Clear with a 43% chance of rain.
Fri
29° 19°
Rain, 71% chance.
Sat
31° 18°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 30% 5 mph W 83%
9 AM 30° Partly Cloudy 38% 7 mph NW 77%
10 AM 32° Partly Cloudy 37% 7 mph W 71%
11 AM 33° Partly Cloudy 37% 5 mph W 65%
12 PM 34° Overcast 36% 5 mph WNW 60%
1 PM 36° Mostly Cloudy 40% 5 mph W 56%
2 PM 37° Mostly Cloudy 40% 6 mph WSW 53%
3 PM 37° Mostly Clear 40% 7 mph WSW 50%
4 PM 36° Partly Cloudy 52% 6 mph WSW 54%
5 PM 34° Mostly Cloudy 51% 8 mph SW 59%
6 PM 33° Overcast 51% 9 mph SW 66%
7 PM 32° Mostly Cloudy 43% 6 mph SW 70%
8 PM 30° Mostly Cloudy 25% 3 mph SW 73%
9 PM 28° Partly Cloudy 22% 6 mph S 76%
10 PM 27° Mostly Clear 14% 5 mph S 78%
11 PM 27° Mostly Clear 8% 5 mph SSW 79%
12 AM 27° Mostly Clear 3% 6 mph SSW 80%
1 AM 26° Mostly Clear 3% 6 mph SSW 80%
2 AM 26° Partly Cloudy 3% 5 mph SSW 80%
3 AM 25° Partly Cloudy 3% 5 mph SSW 81%
4 AM 25° Partly Cloudy 3% 5 mph S 81%
5 AM 24° Partly Cloudy 3% 5 mph S 82%
6 AM 24° Partly Cloudy 3% 5 mph S 83%
7 AM 26° Partly Cloudy 3% 5 mph S 80%
15-Day Forecast
Today
7/26
Mostly Cloudy
51%
23°
38°
Mon
7/27
Mostly Clear
35%
23°
39°
Tue
7/28
Mostly Clear
26%
22°
37°
Wed
7/29
Partly Cloudy
37%
18°
32°
Thu
7/30
Clear
43%
18°
32°
Fri
7/31
Rain
71%
19°
29°
Sat
8/1
Drizzle
53%
18°
31°
Sun
8/2
Drizzle
42%
19°
31°
Mon
8/3
Drizzle
44%
19°
33°
Tue
8/4
Drizzle
51%
21°
36°
Wed
8/5
Drizzle
60%
22°
36°
Thu
8/6
Drizzle
60%
21°
33°
Fri
8/7
Drizzle
60%
21°
33°
Sat
8/8
Drizzle
60%
21°
34°
Sun
8/9
Drizzle
60%
21°
34°
48
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
PM2.5
Fine particulate matter
Dominant
48 AQI 8.8 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 48 Good 39 48
Tue 42 Good 36 42
Wed 46 Good 46 33
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 Jul 26, 11:00'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
SBCAPE2931 J/kg
MLCAPE2327 J/kg
MUCAPE2931 J/kg
SBCIN-118 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear10 kt
0–1 km Shear13 kt
Eff. Shear20 kt
0–1 km SRH-15
0–3 km SRH-24
Eff. SRH-24
Storm Motion300° @ 21 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.6
Thermo & Levels
PWAT1.73 in
0–3 km LR5.3 °C/km
700–500 LR5.8 °C/km
Total Totals46.7
LCL951 hPa
LFC745 hPa
EL153 hPa
Freezing Lvl16,703 ft