Areal Flood Watch 1:00 PM

Union County, Iowa, United States

Last updated: 5:45 AM CDT  ·  Refresh
20°C
Feels like 22°
Rain
▲ 21°  /  ▼ 14°
Wind
5 mph NNE
Humidity
97%
Dew Point
19°
Pressure
28.63 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
87%
Sunrise
6:57 AM
Sunset
7:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently rain at 20°C. Precipitation is likely — peak probability 87% around 2 PM. Sunrise: 6:57AM · Sunset: 7:25PM.

Alerts

Areal Flood Watch
Expires 1:00 PM
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
67%
6 AM
19°
78%
7 AM
19°
66%
8 AM
19°
65%
9 AM
18°
52%
10 AM
19°
65%
11 AM
19°
76%
12 PM
19°
67%
1 PM
20°
85%
2 PM
19°
87%
3 PM
19°
87%
4 PM
18°
87%
5 PM
19°
70%
6 PM
18°
70%
7 PM
18°
70%
8 PM
17°
75%
9 PM
16°
78%
10 PM
16°
78%
11 PM
16°
78%
12 AM
15°
73%
1 AM
15°
70%
2 AM
15°
66%
3 AM
15°
66%
4 AM
15°
66%
7-Day Forecast
Today
21° 14°
Overcast with a 87% chance of rain.
Wed
21° 14°
Mostly Cloudy with a 73% chance of rain.
Thu
29° 18°
Mostly Cloudy with a 70% chance of rain.
Fri
32° 18°
Overcast with a 82% chance of rain.
Sat
31° 18°
Rain, 82% chance.
Sun
24° 16°
Rain, 64% chance.
Mon
24° 13°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Rain 67% 5 mph NNE 97%
6 AM 19° Mostly Cloudy 78% 6 mph N 97%
7 AM 19° Overcast 66% 5 mph NNE 96%
8 AM 19° Overcast 65% 6 mph NNE 94%
9 AM 18° Overcast 52% 7 mph NNE 92%
10 AM 19° Overcast 65% 7 mph NNE 89%
11 AM 19° Heavy Rain 76% 8 mph NNE 86%
12 PM 19° Overcast 67% 7 mph NNE 83%
1 PM 20° Overcast 85% 8 mph NNE 84%
2 PM 19° Overcast 87% 8 mph NNE 86%
3 PM 19° Overcast 87% 8 mph NNE 89%
4 PM 18° Overcast 87% 8 mph NNE 90%
5 PM 19° Rain 70% 8 mph NNE 90%
6 PM 18° Rain 70% 8 mph NNE 90%
7 PM 18° Rain 70% 7 mph NE 90%
8 PM 17° Rain 75% 8 mph NE 89%
9 PM 16° Rain 78% 9 mph NE 89%
10 PM 16° Rain 78% 9 mph ENE 89%
11 PM 16° Rain 78% 8 mph ENE 90%
12 AM 15° Rain 73% 8 mph ENE 90%
1 AM 15° Overcast 70% 9 mph ENE 91%
2 AM 15° Overcast 66% 9 mph ENE 92%
3 AM 15° Overcast 66% 9 mph ENE 93%
4 AM 15° Overcast 66% 9 mph ENE 93%
15-Day Forecast
Today
9/15
Overcast
87%
14°
21°
Wed
9/16
Mostly Cloudy
73%
14°
21°
Thu
9/17
Mostly Cloudy
70%
18°
29°
Fri
9/18
Overcast
82%
18°
32°
Sat
9/19
Rain
82%
18°
31°
Sun
9/20
Rain
64%
16°
24°
Mon
9/21
Rain
28%
13°
24°
Tue
9/22
Rain
68%
11°
24°
Wed
9/23
Rain
68%
13°
26°
Thu
9/24
Clear
36%
11°
23°
Fri
9/25
Clear
60%
12°
26°
Sat
9/26
Clear
25%
13°
27°
Sun
9/27
Drizzle
60%
14°
28°
Mon
9/28
Drizzle
60%
14°
27°
Tue
9/29
Drizzle
60%
14°
26°
32
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
21 AQI 3.9 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 32 21
Wed 25 Good 25 16
Thu 25 Good 23 25
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 Tue Sep 15, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3 J/kg
MLCAPE227 J/kg
MUCAPE432 J/kg
SBCIN-369 J/kg
MLCIN-188 J/kg
Lifted Index0.4
Kinematics
0–6 km Shear36 kt
0–1 km Shear37 kt
Eff. Shear35 kt
0–1 km SRH124
0–3 km SRH284
Eff. SRH345
Storm Motion264° @ 39 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell2.7
K-Index39.3
Thermo & Levels
PWAT2.05 in
0–3 km LR4.1 °C/km
700–500 LR6.0 °C/km
Total Totals48.1
LCL961 hPa
LFC583 hPa
EL537 hPa
Freezing Lvl13,947 ft