Areal Flood Watch 7:00 AM

Polk County, Iowa, United States

Last updated: 2:18 AM CDT  ·  Refresh
16°C
Feels like 14°
Overcast
▲ 26°  /  ▼ 17°
Wind
6 mph E
Humidity
71%
Dew Point
12°
Pressure
29.19 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
99%
Sunrise
6:53 AM
Sunset
7:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Polk County is currently overcast at 16°C. Precipitation is likely — peak probability 90% around 2 AM. Sunrise: 6:53AM · Sunset: 7:25PM.

Alerts

Areal Flood Watch
Expires 7:00 AM
29 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
8%
3 AM
16°
25%
4 AM
16°
46%
5 AM
14°
48%
6 AM
14°
55%
7 AM
14°
66%
8 AM
14°
70%
9 AM
13°
75%
10 AM
13°
73%
11 AM
15°
65%
12 PM
17°
61%
1 PM
19°
68%
2 PM
22°
55%
3 PM
23°
56%
4 PM
25°
54%
5 PM
26°
55%
6 PM
26°
62%
7 PM
26°
62%
8 PM
24°
66%
9 PM
23°
70%
10 PM
22°
75%
11 PM
22°
75%
12 AM
22°
76%
1 AM
21°
81%
7-Day Forecast
Today
26° 17°
Mostly Cloudy with a 70% chance of rain.
Tue
24° 15°
Rain, 90% chance.
Wed
22° 12°
Mostly Cloudy with a 77% chance of rain.
Thu
25° 17°
Overcast with a 82% chance of rain.
Fri
32° 18°
Drizzle, 82% chance.
Sat
28° 17°
Rain, 70% chance.
Sun
23° 15°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 16° Overcast 8% 6 mph E 71%
3 AM 16° Overcast 25% 9 mph ESE 64%
4 AM 16° Overcast 46% 9 mph ESE 66%
5 AM 14° Overcast 48% 8 mph ESE 67%
6 AM 14° Overcast 55% 8 mph ESE 68%
7 AM 14° Overcast 66% 10 mph SE 70%
8 AM 14° Overcast 70% 11 mph SE 76%
9 AM 13° Overcast 75% 13 mph SE 83%
10 AM 13° Overcast 73% 15 mph SE 87%
11 AM 15° Mostly Cloudy 65% 17 mph SE 84%
12 PM 17° Partly Cloudy 61% 18 mph SE 81%
1 PM 19° Partly Cloudy 68% 19 mph SE 78%
2 PM 22° Mostly Clear 55% 19 mph SE 71%
3 PM 23° Partly Cloudy 56% 19 mph SSE 64%
4 PM 25° Mostly Cloudy 54% 19 mph SSE 61%
5 PM 26° Mostly Cloudy 55% 17 mph SSE 64%
6 PM 26° Mostly Cloudy 62% 16 mph SSE 68%
7 PM 26° Mostly Cloudy 62% 14 mph SSE 72%
8 PM 24° Mostly Cloudy 66% 11 mph SSE 77%
9 PM 23° Overcast 70% 11 mph SSE 82%
10 PM 22° Rain 75% 10 mph S 86%
11 PM 22° Rain 75% 8 mph S 88%
12 AM 22° Rain 76% 7 mph S 91%
1 AM 21° Rain 81% 6 mph SSE 93%
15-Day Forecast
Today
9/14
Mostly Cloudy
70%
17°
26°
Tue
9/15
Rain
90%
15°
24°
Wed
9/16
Mostly Cloudy
77%
12°
22°
Thu
9/17
Overcast
82%
17°
25°
Fri
9/18
Drizzle
82%
18°
32°
Sat
9/19
Rain
70%
17°
28°
Sun
9/20
Rain
82%
15°
23°
Mon
9/21
Rain
53%
13°
22°
Tue
9/22
Drizzle
44%
12°
22°
Wed
9/23
Clear
42%
12°
23°
Thu
9/24
Drizzle
60%
13°
24°
Fri
9/25
Drizzle
60%
13°
23°
Sat
9/26
Drizzle
60%
13°
24°
Sun
9/27
Drizzle
60%
13°
24°
Mon
9/28
Drizzle
60%
12°
23°
29
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
18 AQI 3.2 µg/m³
O3
Ground-level ozone
Dominant
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 29 Good 29 18
Tue 31 Good 31 21
Wed 22 Good 22 22
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Sep 14, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE26 J/kg
MUCAPE156 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index11.5
Kinematics
0–6 km Shear43 kt
0–1 km Shear12 kt
Eff. Shear23 kt
0–1 km SRH87
0–3 km SRH235
Eff. SRH98
Storm Motion323° @ 18 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index27.9
Thermo & Levels
PWAT1.19 in
0–3 km LR2.8 °C/km
700–500 LR5.7 °C/km
Total Totals37.0
LCL931 hPa
LFC—
EL—
Freezing Lvl14,380 ft