Severe Thunderstorm Watch 7:00 PM Severe Thunderstorm Watch 7:00 PM Flash Flood Warning — Bureau County, IL, Putnam County, IL 8:00 PM Areal Flood Watch 10:00 PM Flood Warning — Bureau County, IL, La Salle County, IL, Putnam County, IL 4:26 PM

Putnam County, Illinois, United States

Last updated: 6:18 PM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Cloudy
▲ 28°  /  ▼ 19°
Wind
5 mph NE
Humidity
87%
Dew Point
22°
Pressure
29.25 inHg
Visibility
10 mi
UV Index
3.0
Cloud Cover
81%
Sunrise
5:29 AM
Sunset
8:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Putnam County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 60% around 8 PM. Atmospheric instability is elevated (CAPE up to 1509 J/kg) — isolated convective development possible. Sunrise: 5:29AM · Sunset: 8:33PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
Severe Thunderstorm Watch
Expires 7:00 PM
Flash Flood Warning
Bureau County, IL, Putnam County, IL
Expires 8:00 PM
Areal Flood Watch
Expires 10:00 PM
Flood Warning
Bureau County, IL, La Salle County, IL, Putnam County, IL
Expires 4:26 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
39%
7 PM
26°
59%
8 PM
24°
60%
9 PM
23°
52%
10 PM
22°
22%
11 PM
22°
22%
12 AM
22°
22%
1 AM
21°
11%
2 AM
21°
11%
3 AM
21°
34%
4 AM
21°
20%
5 AM
19°
21%
6 AM
19°
5%
7 AM
19°
5%
8 AM
20°
11%
9 AM
22°
15%
10 AM
22°
34%
11 AM
23°
34%
12 PM
23°
34%
1 PM
25°
27%
2 PM
25°
27%
3 PM
25°
28%
4 PM
25°
18%
5 PM
27°
12%
7-Day Forecast
Tonight
28° 19°
Mostly Cloudy with a 52% chance of rain.
Sun
27° 18°
Mostly Cloudy with a 34% chance of rain.
Mon
28° 16°
Clear.
Tue
28° 16°
Mostly Clear.
Wed
28° 17°
Mostly Clear with a 30% chance of rain.
Thu
25° 18°
Rain, 82% chance.
Fri
26° 17°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 39% 5 mph NE 87%
7 PM 26° Rain 59% 5 mph NE 90%
8 PM 24° Rain 60% 4 mph NE 93%
9 PM 23° Mostly Cloudy 52% 4 mph NNE 95%
10 PM 22° Overcast 22% 5 mph N 96%
11 PM 22° Overcast 22% 4 mph NNE 97%
12 AM 22° Overcast 22% 4 mph N 97%
1 AM 21° Overcast 11% 5 mph N 97%
2 AM 21° Overcast 11% 5 mph N 97%
3 AM 21° Overcast 34% 4 mph N 97%
4 AM 21° Overcast 20% 4 mph N 97%
5 AM 19° Mostly Cloudy 21% 3 mph N 97%
6 AM 19° Fog 5% 4 mph N 96%
7 AM 19° Haze 5% 5 mph N 95%
8 AM 20° Mostly Cloudy 11% 6 mph N 93%
9 AM 22° Mostly Cloudy 15% 6 mph NNW 90%
10 AM 22° Mostly Cloudy 34% 7 mph N 88%
11 AM 23° Mostly Cloudy 34% 7 mph N 87%
12 PM 23° Mostly Cloudy 34% 7 mph N 84%
1 PM 25° Mostly Cloudy 27% 8 mph N 83%
2 PM 25° Mostly Cloudy 27% 8 mph N 82%
3 PM 25° Mostly Cloudy 28% 8 mph NNE 82%
4 PM 25° Mostly Cloudy 18% 8 mph NNE 82%
5 PM 27° Mostly Cloudy 12% 8 mph NNE 83%
15-Day Forecast
Today
7/4
Mostly Cloudy
52%
19°
28°
Sun
7/5
Mostly Cloudy
34%
18°
27°
Mon
7/6
Clear
12%
16°
28°
Tue
7/7
Mostly Clear
18%
16°
28°
Wed
7/8
Mostly Clear
30%
17°
28°
Thu
7/9
Rain
82%
18°
25°
Fri
7/10
Rain
63%
17°
26°
Sat
7/11
Mostly Clear
53%
16°
24°
Sun
7/12
Clear
43%
14°
26°
Mon
7/13
Mostly Cloudy
44%
15°
26°
Tue
7/14
Overcast
44%
17°
28°
Wed
7/15
Drizzle
60%
17°
27°
Thu
7/16
Drizzle
60%
16°
23°
Fri
7/17
Drizzle
60%
16°
24°
Sat
7/18
Drizzle
60%
17°
24°
55
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
PM2.5
Fine particulate matter
Dominant
55 AQI 11.1 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 55 Moderate 36 55
Mon 52 Moderate 39 52
Tue 59 Moderate 45 59
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 Sat Jul 4, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE881 J/kg
MLCAPE430 J/kg
MUCAPE881 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear26 kt
0–1 km Shear13 kt
Eff. Shear26 kt
0–1 km SRH-105
0–3 km SRH-127
Eff. SRH-127
Storm Motion206° @ 17 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.9
Thermo & Levels
PWAT1.82 in
0–3 km LR5.8 °C/km
700–500 LR5.1 °C/km
Total Totals45.5
LCL956 hPa
LFC990 hPa
EL211 hPa
Freezing Lvl14,032 ft