Severe Thunderstorm Watch 10:00 PM

Amboy, Illinois

Last updated: 6:55 PM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Cloudy
▲ 27°  /  ▼ 16°
Wind
9 mph WSW
Humidity
89%
Dew Point
21°
Pressure
29.10 inHg
Visibility
10 mi
UV Index
1.4
Cloud Cover
84%
Sunrise
6:12 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Amboy is currently mostly cloudy at 25°C. Precipitation is likely — peak probability 79% around 7 PM. Atmospheric instability is elevated (CAPE up to 2765 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 7:48PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
76%
7 PM
24°
79%
8 PM
23°
69%
9 PM
21°
48%
10 PM
21°
22%
11 PM
20°
19%
12 AM
19°
8%
1 AM
18°
4%
2 AM
18°
6%
3 AM
17°
6%
4 AM
17°
6%
5 AM
16°
4%
6 AM
16°
5%
7 AM
17°
8%
8 AM
18°
8%
9 AM
21°
8%
10 AM
22°
17%
11 AM
23°
17%
12 PM
24°
17%
1 PM
26°
11%
2 PM
26°
11%
3 PM
26°
11%
4 PM
26°
11%
5 PM
25°
12%
7-Day Forecast
Tonight
27° 16°
Mostly Cloudy with a 76% chance of rain.
Sat
27° 14°
Mostly Clear.
Sun
24° 13°
Mostly Clear.
Mon
22° 12°
Mostly Cloudy with a 29% chance of rain.
Tue
24° 12°
Clear with a 38% chance of rain.
Wed
27° 16°
Thunderstorm, 57% chance.
Thu
26° 16°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 76% 9 mph WSW 89%
7 PM 24° Thunderstorm 79% 8 mph W 91%
8 PM 23° Mostly Cloudy 69% 6 mph SW 94%
9 PM 21° Partly Cloudy 48% 7 mph SSW 96%
10 PM 21° Partly Cloudy 22% 6 mph W 95%
11 PM 20° Mostly Clear 19% 6 mph WNW 95%
12 AM 19° Mostly Clear 8% 6 mph WNW 95%
1 AM 18° Mostly Clear 4% 7 mph NW 95%
2 AM 18° Mostly Clear 6% 7 mph NW 93%
3 AM 17° Mostly Clear 6% 7 mph NW 93%
4 AM 17° Mostly Clear 6% 7 mph NW 93%
5 AM 16° Mostly Clear 4% 7 mph NW 93%
6 AM 16° Fog 5% 6 mph NW 93%
7 AM 17° Haze 8% 7 mph NW 90%
8 AM 18° Mostly Clear 8% 7 mph NW 87%
9 AM 21° Mostly Clear 8% 8 mph NW 83%
10 AM 22° Mostly Clear 17% 9 mph NW 76%
11 AM 23° Mostly Clear 17% 10 mph NW 69%
12 PM 24° Mostly Clear 17% 11 mph NW 64%
1 PM 26° Mostly Clear 11% 11 mph NW 63%
2 PM 26° Clear 11% 11 mph NW 63%
3 PM 26° Clear 11% 11 mph NW 62%
4 PM 26° Clear 11% 10 mph NW 66%
5 PM 25° Clear 12% 10 mph NW 70%
15-Day Forecast
Today
8/21
Mostly Cloudy
76%
16°
27°
Sat
8/22
Mostly Clear
17%
14°
27°
Sun
8/23
Mostly Clear
3%
13°
24°
Mon
8/24
Mostly Cloudy
29%
12°
22°
Tue
8/25
Clear
38%
12°
24°
Wed
8/26
Thunderstorm
57%
16°
27°
Thu
8/27
Drizzle
53%
16°
26°
Fri
8/28
Partly Cloudy
21%
17°
26°
Sat
8/29
Thunderstorm
53%
16°
27°
Sun
8/30
Rain
54%
18°
28°
Mon
8/31
Drizzle
67%
18°
30°
Tue
9/1
Drizzle
60%
18°
30°
Wed
9/2
Drizzle
60%
18°
28°
Thu
9/3
Drizzle
60%
18°
28°
Fri
9/4
Drizzle
60%
17°
26°
34
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 34 Good 32 34
Sun 25 Good 25 24
Mon 22 Good 22 8
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 Fri Aug 21, 22:00'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
SBCAPE2864 J/kg
MLCAPE2355 J/kg
MUCAPE2864 J/kg
SBCIN-25 J/kg
MLCIN-11 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear30 kt
0–1 km Shear15 kt
Eff. Shear31 kt
0–1 km SRH94
0–3 km SRH136
Eff. SRH136
Storm Motion332° @ 21 kt
0–1 km EHI1.7
Composite Parameters
Sig. Tornado0.9
STP (eff)1.1
Supercell6.1
K-Index34.4
Thermo & Levels
PWAT1.67 in
0–3 km LR6.6 °C/km
700–500 LR6.3 °C/km
Total Totals52.8
LCL939 hPa
LFC898 hPa
EL200 hPa
Freezing Lvl12,651 ft