Areal Flood Watch 1:00 PM Flood Warning — Benton County, IA, Cedar County, IA, Iowa County, IA, Johnson County, IA, Jones County, IA, Linn County, IA 1:45 PM Flood Warning — Benton County, IA, Iowa County, IA 2:00 AM

Benton County, Iowa, United States

Last updated: 11:18 AM CDT  ·  Refresh
17°C
Feels like 14°
Overcast
▲ 19°  /  ▼ 13°
Wind
14 mph NE
Humidity
94%
Dew Point
16°
Pressure
29.02 inHg
Visibility
5 mi
UV Index
2.7
Cloud Cover
95%
Sunrise
6:53 AM
Sunset
7:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Benton County is currently overcast at 17°C. Precipitation is likely — peak probability 78% around 5 PM. Sunrise: 6:53AM · Sunset: 7:08PM.

Alerts

Areal Flood Watch
Expires 1:00 PM
Flood Warning
Benton County, IA, Cedar County, IA, Iowa County, IA, Johnson County, IA, Jones County, IA, Linn County, IA
Expires 1:45 PM
Flood Warning
Benton County, IA, Iowa County, IA
Expires 2:00 AM
20 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
52%
12 PM
16°
49%
1 PM
17°
17%
2 PM
16°
28%
3 PM
16°
65%
4 PM
16°
65%
5 PM
17°
78%
6 PM
17°
69%
7 PM
17°
54%
8 PM
17°
55%
9 PM
17°
67%
10 PM
17°
66%
11 PM
16°
56%
12 AM
16°
70%
1 AM
15°
69%
2 AM
14°
69%
3 AM
14°
57%
4 AM
14°
48%
5 AM
13°
48%
6 AM
13°
52%
7 AM
13°
52%
8 AM
13°
44%
9 AM
13°
44%
10 AM
13°
54%
7-Day Forecast
Today
19° 13°
Overcast with a 78% chance of rain.
Mon
16° 12°
Overcast with a 72% chance of rain.
Tue
16° 9°
Mostly Cloudy with a 59% chance of rain.
Wed
18° 8°
Partly Cloudy.
Thu
19° 10°
Clear.
Fri
19° 13°
Clear.
Sat
19° 12°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 17° Overcast 52% 14 mph NE 94%
12 PM 16° Overcast 49% 14 mph NE 92%
1 PM 17° Overcast 17% 14 mph NE 92%
2 PM 16° Overcast 28% 14 mph NE 92%
3 PM 16° Overcast 65% 13 mph ENE 92%
4 PM 16° Overcast 65% 13 mph ENE 92%
5 PM 17° Overcast 78% 13 mph ENE 92%
6 PM 17° Overcast 69% 12 mph ENE 92%
7 PM 17° Overcast 54% 12 mph ENE 91%
8 PM 17° Overcast 55% 12 mph ENE 90%
9 PM 17° Overcast 67% 12 mph ENE 90%
10 PM 17° Overcast 66% 12 mph ENE 90%
11 PM 16° Overcast 56% 12 mph ENE 89%
12 AM 16° Overcast 70% 13 mph ENE 89%
1 AM 15° Overcast 69% 13 mph ENE 89%
2 AM 14° Overcast 69% 12 mph ENE 90%
3 AM 14° Overcast 57% 11 mph ENE 90%
4 AM 14° Overcast 48% 11 mph ENE 91%
5 AM 13° Overcast 48% 11 mph NE 90%
6 AM 13° Overcast 52% 12 mph NE 90%
7 AM 13° Overcast 52% 12 mph NE 90%
8 AM 13° Overcast 44% 12 mph NE 90%
9 AM 13° Overcast 44% 12 mph NE 90%
10 AM 13° Overcast 54% 12 mph ENE 90%
15-Day Forecast
Today
9/20
Overcast
78%
13°
19°
Mon
9/21
Overcast
72%
12°
16°
Tue
9/22
Mostly Cloudy
59%
9°
16°
Wed
9/23
Partly Cloudy
3%
8°
18°
Thu
9/24
Clear
8%
10°
19°
Fri
9/25
Clear
17%
13°
19°
Sat
9/26
Clear
31%
12°
19°
Sun
9/27
Drizzle
43%
11°
22°
Mon
9/28
Drizzle
68%
12°
22°
Tue
9/29
Drizzle
68%
13°
20°
Wed
9/30
Drizzle
60%
13°
21°
Thu
10/1
Drizzle
60%
12°
20°
Fri
10/2
Drizzle
60%
11°
19°
Sat
10/3
Drizzle
60%
10°
19°
Sun
10/4
Drizzle
60%
9°
18°
20
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
12 AQI 2.2 µg/m³
O3
Ground-level ozone
Dominant
20 AQI 22 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 20 Good 20 12
Tue 19 Good 19 3
Wed 16 Good 16 6
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 Sep 20, 15:00'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
SBCAPE7 J/kg
MLCAPE13 J/kg
MUCAPE0 J/kg
SBCIN-0 J/kg
MLCIN0 J/kg
Lifted Index5.9
Kinematics
0–6 km Shear22 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH44
0–3 km SRH114
Eff. SRH—
Storm Motion352° @ 17 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index31.4
Thermo & Levels
PWAT1.59 in
0–3 km LR3.7 °C/km
700–500 LR5.4 °C/km
Total Totals42.5
LCL967 hPa
LFC972 hPa
EL909 hPa
Freezing Lvl13,238 ft