Freeze Warning — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Butler, IA, Bremer, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Grundy, IA, Black Hawk, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA 9:00 AM

Grundy County, Iowa, United States

Last updated: 9:08 PM CDT  ·  Refresh
6°C
Feels like 3°
Clear
▲ 11°  /  ▼ 1°
Wind
6 mph NNW
Humidity
73%
Dew Point
1°
Pressure
29.37 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
7:24 AM
Sunset
6:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grundy County is currently clear at 6°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:24AM · Sunset: 6:27PM.

Alerts

Freeze Warning
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Butler, IA, Bremer, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Grundy, IA, Black Hawk, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA
Expires 9:00 AM
21 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
6°
3%
10 PM
5°
3%
11 PM
4°
3%
12 AM
4°
3%
1 AM
3°
3%
2 AM
3°
3%
3 AM
3°
3%
4 AM
2°
3%
5 AM
2°
3%
6 AM
1°
3%
7 AM
1°
3%
8 AM
3°
3%
9 AM
4°
3%
10 AM
8°
3%
11 AM
9°
3%
12 PM
11°
3%
1 PM
12°
3%
2 PM
13°
3%
3 PM
14°
3%
4 PM
14°
3%
5 PM
13°
3%
6 PM
10°
3%
7 PM
9°
3%
8 PM
9°
3%
7-Day Forecast
Tonight
11° 1°
Clear.
Sat
14° 1°
Clear.
Sun
18° 4°
Clear.
Mon
21° 6°
Partly Cloudy.
Tue
21° 8°
Mostly Clear.
Wed
23° 11°
Mostly Clear with a 25% chance of rain.
Thu
25° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 6° Clear 3% 6 mph NNW 73%
10 PM 5° Clear 3% 6 mph NNW 72%
11 PM 4° Clear 3% 5 mph NNW 72%
12 AM 4° Clear 3% 5 mph NNW 74%
1 AM 3° Clear 3% 4 mph NW 76%
2 AM 3° Clear 3% 3 mph NW 77%
3 AM 3° Clear 3% 3 mph W 77%
4 AM 2° Clear 3% 3 mph WSW 78%
5 AM 2° Clear 3% 4 mph SW 79%
6 AM 1° Clear 3% 5 mph SW 80%
7 AM 1° Clear 3% 6 mph SSW 80%
8 AM 3° Clear 3% 7 mph SSW 75%
9 AM 4° Clear 3% 10 mph SSW 70%
10 AM 8° Clear 3% 12 mph SSW 65%
11 AM 9° Clear 3% 13 mph SSW 60%
12 PM 11° Clear 3% 14 mph SW 55%
1 PM 12° Clear 3% 14 mph SW 50%
2 PM 13° Clear 3% 14 mph SSW 48%
3 PM 14° Clear 3% 14 mph SSW 48%
4 PM 14° Clear 3% 14 mph SSW 48%
5 PM 13° Clear 3% 13 mph SSW 53%
6 PM 10° Clear 3% 12 mph SSW 58%
7 PM 9° Clear 3% 12 mph SSW 62%
8 PM 9° Clear 3% 12 mph SSW 63%
15-Day Forecast
Today
10/16
Clear
3%
1°
11°
Sat
10/17
Clear
3%
1°
14°
Sun
10/18
Clear
3%
4°
18°
Mon
10/19
Partly Cloudy
3%
6°
21°
Tue
10/20
Mostly Clear
7%
8°
21°
Wed
10/21
Mostly Clear
25%
11°
23°
Thu
10/22
Clear
10%
12°
25°
Fri
10/23
Mostly Clear
8%
13°
25°
Sat
10/24
Drizzle
54%
11°
23°
Sun
10/25
Drizzle
54%
8°
19°
Mon
10/26
Mostly Cloudy
38%
8°
16°
Tue
10/27
Drizzle
60%
7°
16°
Wed
10/28
Drizzle
60%
7°
17°
Thu
10/29
Drizzle
60%
8°
17°
Fri
10/30
Drizzle
60%
7°
17°
21
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 3.2 µg/m³
O3
Ground-level ozone
Dominant
21 AQI 23 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 21 Good 21 17
Sun 28 Good 28 12
Mon 27 Good 27 24
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 Fri Oct 16, 23:00'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
MLCAPE11 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index18.7
Kinematics
0–6 km Shear48 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH82
0–3 km SRH83
Eff. SRH—
Storm Motion23° @ 37 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-22.2
Thermo & Levels
PWAT0.28 in
0–3 km LR3.2 °C/km
700–500 LR5.4 °C/km
Total Totals25.2
LCL929 hPa
LFC995 hPa
EL995 hPa
Freezing Lvl3,819 ft