Areal Flood Watch 7:00 AM

Calhoun County, Iowa, United States

Last updated: 2:17 AM CDT  ·  Refresh
15°C
Feels like 12°
Mostly Cloudy
▲ 24°  /  ▼ 16°
Wind
7 mph ESE
Humidity
68%
Dew Point
11°
Pressure
28.89 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
84%
Sunrise
6:57 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calhoun County is currently mostly cloudy at 15°C. Precipitation is likely — peak probability 90% around 9 AM. Atmospheric instability is elevated (CAPE up to 556 J/kg) — isolated convective development possible. Sunrise: 6:57AM · Sunset: 7:29PM.

28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
15°
35%
3 AM
16°
51%
4 AM
16°
51%
5 AM
14°
56%
6 AM
13°
66%
7 AM
12°
70%
8 AM
13°
80%
9 AM
13°
90%
10 AM
13°
76%
11 AM
14°
81%
12 PM
16°
85%
1 PM
18°
77%
2 PM
20°
64%
3 PM
21°
73%
4 PM
22°
78%
5 PM
22°
90%
6 PM
24°
67%
7 PM
24°
67%
8 PM
24°
65%
9 PM
23°
68%
10 PM
21°
72%
11 PM
21°
76%
12 AM
21°
80%
1 AM
21°
72%
7-Day Forecast
Today
24° 16°
Rain, 90% chance.
Tue
23° 14°
Overcast with a 75% chance of rain.
Wed
20° 12°
Mostly Cloudy with a 72% chance of rain.
Thu
24° 16°
Overcast with a 83% chance of rain.
Fri
30° 17°
Rain, 90% chance.
Sat
25° 17°
Rain, 77% chance.
Sun
20° 14°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 15° Mostly Cloudy 35% 7 mph ESE 68%
3 AM 16° Mostly Cloudy 51% 9 mph ESE 62%
4 AM 16° Overcast 51% 10 mph ESE 64%
5 AM 14° Overcast 56% 10 mph SE 71%
6 AM 13° Mostly Cloudy 66% 11 mph SE 77%
7 AM 12° Mostly Cloudy 70% 13 mph SE 82%
8 AM 13° Rain 80% 15 mph SE 86%
9 AM 13° Heavy Rain 90% 19 mph SE 88%
10 AM 13° Heavy Rain 76% 22 mph SE 88%
11 AM 14° Mostly Cloudy 81% 22 mph SE 86%
12 PM 16° Mostly Cloudy 85% 22 mph SE 83%
1 PM 18° Mostly Cloudy 77% 23 mph SSE 80%
2 PM 20° Heavy Rain 64% 22 mph SSE 78%
3 PM 21° Rain 73% 19 mph SSE 77%
4 PM 22° Rain 78% 17 mph SSE 77%
5 PM 22° Rain 90% 17 mph SSE 80%
6 PM 24° Heavy Rain 67% 16 mph SSE 82%
7 PM 24° Heavy Rain 67% 16 mph SSE 84%
8 PM 24° Heavy Rain 65% 16 mph S 86%
9 PM 23° Heavy Rain 68% 15 mph S 87%
10 PM 21° Heavy Rain 72% 15 mph S 88%
11 PM 21° Heavy Rain 76% 14 mph S 88%
12 AM 21° Rain 80% 12 mph S 88%
1 AM 21° Rain 72% 11 mph SSW 89%
15-Day Forecast
Today
9/14
Rain
90%
16°
24°
Tue
9/15
Overcast
75%
14°
23°
Wed
9/16
Mostly Cloudy
72%
12°
20°
Thu
9/17
Overcast
83%
16°
24°
Fri
9/18
Rain
90%
17°
30°
Sat
9/19
Rain
77%
17°
25°
Sun
9/20
Rain
82%
14°
20°
Mon
9/21
Clear
18%
13°
20°
Tue
9/22
Clear
44%
12°
21°
Wed
9/23
Clear
14%
11°
21°
Thu
9/24
Drizzle
60%
13°
23°
Fri
9/25
Drizzle
60%
13°
23°
Sat
9/26
Drizzle
60%
13°
22°
Sun
9/27
Drizzle
60%
13°
22°
Mon
9/28
Drizzle
60%
12°
22°
28
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
15 AQI 2.7 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 15
Tue 31 Good 31 18
Wed 24 Good 24 16
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
MLCAPE18 J/kg
MUCAPE94 J/kg
SBCIN
MLCIN0 J/kg
Lifted Index12.3
Kinematics
0–6 km Shear41 kt
0–1 km Shear18 kt
Eff. Shear
0–1 km SRH93
0–3 km SRH347
Eff. SRH
Storm Motion320° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index21.0
Thermo & Levels
PWAT1.10 in
0–3 km LR2.2 °C/km
700–500 LR6.2 °C/km
Total Totals32.6
LCL920 hPa
LFC
EL
Freezing Lvl13,901 ft