Temperature
46 F at 4 AM; 52 F at its warmest, 12 AM, and 46 F at its coolest, 4 AM.
- Now
- 46F
- 4 AM
- Highest
- 52F
- 12 AM
- Lowest
- 46F
- 4 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Iowa City Municipal Airport, Iowa
Small airport in Johnson County, Iowa* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northwest Illinois and east central, northeast, and southeast Iowa. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
47°
55°/45°
Mostly cloudy·
Feels like 41°·Gentle breeze 11 mph WNW
Alert. A Freeze Warning is in force for Iowa City Municipal Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Iowa City Municipal Airport is 47° and mostly cloudy at 5 AM. With the wind it feels like 41°. The dew point is 41°, so the air feels dry and comfortable. Gentle breeze from the west-northwest at 11 mph.
Today and tonight. It warms to about 54° by 2 PM. Tonight falls to about 33° by 7 AM, under a mostly clear sky. Frost can form on the ground in sheltered spots. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 76°, and the coolest tomorrow, near 58°. The days ahead look dry. Frost is possible tomorrow morning, a low of 33°.
The sky tonight. The sun sets at 6:24 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:15 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 6 minutes long, 3 minutes shorter than yesterday.
0UV Low
22Air quality
83%Humidity
75%Cloud
Now
5:00 AM
47feels41
now, partly cloudy
Today
Oct 16
5545
25%
22mph
Sat
Oct 17
5833
clear day
Sun
Oct 18
6638
14mph
Mon
Oct 19
6941
overcast
Tue
Oct 20
7145
overcast
Wed
Oct 21
7448
overcast
Thu
Oct 22
7654
10%
47°
55°45°
58°33°
66°38°
69°41°
71°45°
74°48°
76°54°
As of 5:00 AM in Iowa City Municipal Airport, Iowa.
Air quality
The air at Iowa City Municipal Airport
Index 22, good, led by fine particles. Read at 5 AM from its reporting area, Iowa City (IA), 2 miles off.
22Good
- Fine particles (PM2.5)22Good2.7 mi
- Ozone-13 ppb24.3 mi
- Sulfur dioxide0Good0 ppb24.3 mi
The days ahead
Good each day through Today, led by ozone. Yesterday measured 26, good.
GoodModerate
- 26YesterdayOct 15
- 25TodayOct 16
Smoke, the next 45 hours
No smoke near the ground through Sun 1 AM.
Precipitation
What has fallen at Iowa City Municipal Airport
0.09 in in the last 24 hours, 0.10 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.09in
- Last 3 days
- 0.10in
3 days agoLast 24 hours 90%
Visibility
How far you can see at Iowa City Municipal Airport, the next 45 hours
Visibility stays 7 miles or more through Sun 1 AM, lowest 8 miles Sat 8 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- IOW
- ICAO
- KIOW
- IATA
- IOW
- Field elevation
- 668 ft
- Serves
- Iowa City
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- IOW
- Wind now
- From 280° at 8 mph, read 16 Oct, 04:52
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 07 / 25 | 5,002 ft | 100 ft | Concrete | 70° / 250° | 7 mph head, on 25 | 4 mph from the right |
| 12 / 30 | 4,200 ft | 75 ft | Concrete | 125° / 305° | 7 mph head, on 30 | 3 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Iowa City (IOW), Iowa City Municipal Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 41 F, the air 83% saturated; the humidity ran from 71% at 1 AM to 83% at 4 AM.
- Dew point now
- 41F
- 4 AM
- Humidity now
- 83%
- Humidity, range
- 71 to 83%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
9 mph from the west at 5 AM; at its strongest 15 mph, 12 AM, with a gust of 30 mph at 12 AM.
- Now
- 9mph
- from the west
- Strongest
- 15mph
- 12 AM
- Highest gust
- 30mph
- 12 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.14 inHg at 5 AM, rising 0.04 inHg over 3 hours; 0.07 inHg higher than a day before.
- Now
- 30.14inHg
- 5 AM
- 3 hours
- +0.04inHg
- rising
- 24 hours
- +0.07inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
10 miles or more every hour.
- Now
- 10+mi
- Lowest
- 10+mi
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 2,400 ft at 12 AM; a base was reported in 4 of the hours.
- Lowest base now
- 2,900ft
- Lowest in 24 hours
- 2,400ft
- 12 AM
- Hours with a base reported
- 4
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
None measured in the gauge in the last 24 hours.
- Last 24 hours
- 0.00in
- Wettest hour
- -
- Hours with some
- 0
How it is measured: ASOS, Field Book FB-INS-002
Iowa City: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Iowa City Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now3 instruments
Iowa CityIOW
At an airfield/0.1 mi away/669 ft/1 ft above here
temp, wind, gust, visibility, precip, pressure
Iowa City (US 218)RIAI4
Beside a road/3.0 mi away/833 ft/165 ft above here
temp, pavement temp, wind, visibility, precip
Iowa River AT Coralville DamCRVI4
At a dam/5.4 mi away/682 ft/14 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Iowa City 1.4 SWIA-JH-43
In a volunteer observer's own ground/0.7 mi away/715 ft/47 ft above here
precip, snowfall, snow depth
Iowa CityICYI4
At a cooperative observer's station/1.0 mi away/650 ft/18 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Iowa City (ICYI4), 1.0 miles from here, read 15 Oct, 07:00. measured daily
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Iowa City Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
- University Heightscity, 1 mi
- Iowa Citycity, 2 mi
- Coralvillecity, 4 mi
- Hillscity, 6 mi
- Tiffincity, 8 mi
- North Libertycity, 8 mi
- Downeycommunity, 10 mi
- West Branchcity, 10 mi
- Frytowncommunity, 11 mi
- Riversidecity, 11 mi
- Soloncity, 12 mi
- Lone Treecity, 12 mi
Airports near Iowa City Municipal Airport
- The Eastern Iowa AirportCID, 19 mi
- Washington Municipal AirportAWG, 26 mi
- Muscatine Municipal AirportMUT, 28 mi
- Monticello Regional AirportMXO, 45 mi
- Fairfield Municipal AirportFFL, 46 mi
- Vinton Veterans Memorial AirparkVTI, 47 mi
- Mount Pleasant Municipal AirportMPZ, 48 mi
- Davenport Municipal AirportDVN, 49 mi