Areal Flood Watch 7:00 AM

Marshall County, Iowa, United States

Last updated: 2:18 AM CDT  ·  Refresh
13°C
Feels like 12°
Mostly Cloudy
▲ 25°  /  ▼ 14°
Wind
4 mph E
Humidity
77%
Dew Point
11°
Pressure
29.15 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
67%
Sunrise
6:51 AM
Sunset
7:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently mostly cloudy at 13°C. Precipitation is likely — peak probability 90% around 2 AM. Sunrise: 6:51AM · Sunset: 7:23PM.

Alerts

Areal Flood Watch
Expires 7:00 AM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
13°
8%
3 AM
14°
19%
4 AM
14°
32%
5 AM
13°
33%
6 AM
13°
40%
7 AM
13°
44%
8 AM
13°
59%
9 AM
13°
68%
10 AM
14°
83%
11 AM
14°
82%
12 PM
15°
65%
1 PM
18°
51%
2 PM
20°
59%
3 PM
22°
56%
4 PM
23°
65%
5 PM
25°
69%
6 PM
24°
69%
7 PM
24°
66%
8 PM
24°
74%
9 PM
21°
75%
10 PM
21°
80%
11 PM
21°
80%
12 AM
21°
80%
1 AM
21°
81%
7-Day Forecast
Today
25° 14°
Mostly Cloudy with a 82% chance of rain.
Tue
24° 14°
Rain, 90% chance.
Wed
23° 12°
Mostly Cloudy with a 72% chance of rain.
Thu
25° 17°
Overcast with a 66% chance of rain.
Fri
31° 18°
Rain, 82% chance.
Sat
28° 17°
Rain, 70% chance.
Sun
23° 15°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 13° Mostly Cloudy 8% 4 mph E 77%
3 AM 14° Overcast 19% 6 mph E 72%
4 AM 14° Overcast 32% 8 mph E 72%
5 AM 13° Overcast 33% 8 mph ESE 72%
6 AM 13° Overcast 40% 10 mph ESE 72%
7 AM 13° Overcast 44% 11 mph ESE 72%
8 AM 13° Overcast 59% 11 mph SE 74%
9 AM 13° Overcast 68% 12 mph SE 76%
10 AM 14° Overcast 83% 14 mph SE 79%
11 AM 14° Overcast 82% 16 mph SE 80%
12 PM 15° Mostly Cloudy 65% 18 mph SE 80%
1 PM 18° Mostly Cloudy 51% 20 mph SE 77%
2 PM 20° Partly Cloudy 59% 20 mph SE 70%
3 PM 22° Partly Cloudy 56% 20 mph SSE 64%
4 PM 23° Partly Cloudy 65% 20 mph SSE 60%
5 PM 25° Partly Cloudy 69% 18 mph SSE 62%
6 PM 24° Partly Cloudy 69% 17 mph SSE 64%
7 PM 24° Partly Cloudy 66% 15 mph SSE 66%
8 PM 24° Mostly Cloudy 74% 14 mph SSE 72%
9 PM 21° Overcast 75% 15 mph S 78%
10 PM 21° Rain 80% 15 mph S 82%
11 PM 21° Rain 80% 14 mph S 85%
12 AM 21° Heavy Rain 80% 12 mph S 88%
1 AM 21° Heavy Rain 81% 11 mph SSW 91%
15-Day Forecast
Today
9/14
Mostly Cloudy
82%
14°
25°
Tue
9/15
Rain
90%
14°
24°
Wed
9/16
Mostly Cloudy
72%
12°
23°
Thu
9/17
Overcast
66%
17°
25°
Fri
9/18
Rain
82%
18°
31°
Sat
9/19
Rain
70%
17°
28°
Sun
9/20
Rain
82%
15°
23°
Mon
9/21
Clear
31%
13°
22°
Tue
9/22
Rain
68%
12°
22°
Wed
9/23
Clear
19%
11°
23°
Thu
9/24
Drizzle
60%
12°
24°
Fri
9/25
Drizzle
60%
12°
23°
Sat
9/26
Drizzle
60%
13°
23°
Sun
9/27
Drizzle
60%
13°
24°
Mon
9/28
Drizzle
60%
12°
23°
30
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
17 AQI 3.1 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 17
Tue 32 Good 32 18
Wed 25 Good 25 19
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
MLCAPE17 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index13.9
Kinematics
0–6 km Shear44 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH44
0–3 km SRH222
Eff. SRH—
Storm Motion329° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index17.2
Thermo & Levels
PWAT0.99 in
0–3 km LR2.3 °C/km
700–500 LR5.4 °C/km
Total Totals26.3
LCL948 hPa
LFC—
EL—
Freezing Lvl13,963 ft