Temperature
54 F at 10 PM; 64 F at its warmest, 12 PM, and 52 F at its coolest, 7 PM.
- Now
- 54F
- 10 PM
- Highest
- 64F
- 12 PM
- Lowest
- 52F
- 7 PM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Knoxville Municipal Airport, Iowa
Small airport in Marion County, Iowa* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Much of Iowa. * WHEN...From late Friday night through Saturday morning. * 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.
53°
64°/57°
Overcast·
Feels like 53°·Moderate breeze 17 mph NW
Alert. A Freeze Watch is in force for Knoxville Municipal Airport until 9 AM Saturday. Read the alert in full, and see what it means in the Field Book. Tomorrow is 12 degrees cooler: a high of 52° after 64° today.
Now. Knoxville Municipal Airport is 53° and overcast at 10 PM. The dew point is 48°, so the air feels dry and comfortable. Moderate breeze from the northwest at 17 mph, gusting to 28 mph.
Today and tonight. Tonight falls to about 45° by 6 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 75°, and the coolest tomorrow, near 52°. The days ahead look dry. The windiest day is tomorrow, with wind to 22 mph. Frost is possible Saturday morning, a low of 33°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the 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 day is 11 hours 9 minutes long, 2 minutes shorter than yesterday.
0UV Low
14Air quality
82%Humidity
100%Cloud
Now
10:00 PM
53feels53
17mph
Today
Oct 15
6457
94%
18mph
Fri
Oct 16
5245
22mph
Sat
Oct 17
5833
clear day
Sun
Oct 18
6540
15mph
Mon
Oct 19
6745
overcast
Tue
Oct 20
7146
overcast
Wed
Oct 21
7552
overcast
53°
64°57°
52°45°
58°33°
65°40°
67°45°
71°46°
75°52°
As of 10:00 PM in Knoxville Municipal Airport, Iowa.
Air quality
The air at Knoxville Municipal Airport
Index 14, good, led by ozone. Read at 10 PM from its reporting area, Des Moines (IA), 33 miles off.
14Good
- Fine particles (PM2.5)11Good-
- Ozone14Good-
The days ahead
Highest moderate, today, led by fine particles. Yesterday measured 20, good.
GoodModerate
- 20YesterdayOct 14
- ModerateTodayOct 15
- GoodFriOct 16
- GoodSatOct 17
Smoke, the next 46 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Knoxville Municipal Airport
0.42 in in the last 24 hours, and none in the 2 days before, to Thu 9 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.42in
- Last 3 days
- 0.42in
Visibility
How far you can see at Knoxville Municipal Airport, the next 46 hours
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 4 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- OXV
- ICAO
- KOXV
- IATA
- -
- Field elevation
- 928 ft
- Serves
- Knoxville
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- OXV
- Wind now
- From 310° at 20 mph, read 15 Oct, 21:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 15 / 33 | 4,000 ft | 75 ft | Concrete | 156° / 336° | 18 mph head, on 33 | 9 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Knoxville (OXV), Knoxville Municipal Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 48 F, the air 82% saturated; the humidity ran from 72% at 11 PM Wednesday to 100% at 11 AM.
- Dew point now
- 48F
- 10 PM
- Humidity now
- 82%
- Humidity, range
- 72 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
21 mph from the northwest at 10 PM; at its strongest 22 mph, 3 PM, with a gust of 35 mph at 4 PM.
- Now
- 21mph
- from the northwest
- Strongest
- 22mph
- 3 PM
- Highest gust
- 35mph
- 4 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.11 inHg at 10 PM, rising 0.05 inHg over 3 hours; 0.01 inHg higher than a day before.
- Now
- 30.11inHg
- 10 PM
- 3 hours
- +0.05inHg
- rising
- 24 hours
- +0.01inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.5 miles at 1 PM, under a mile for 2 hours; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 0.5mi
- 1 PM
- Hours under a mile
- 2
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 200 ft at 2 AM; a base was reported in 24 of the hours.
- Lowest base now
- 2,200ft
- Lowest in 24 hours
- 200ft
- 2 AM
- Hours with a base reported
- 24
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.40 in measured in the gauge, the most, 0.19 in, in the hour to 12 PM.
- Last 24 hours
- 0.40in
- Wettest hour
- 0.19in
- 12 PM
- Hours with some
- 6
How it is measured: ASOS, Field Book FB-INS-002
Knoxville: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Knoxville 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 now4 instruments
KnoxvilleOXV
At an airfield/0.1 mi away/925 ft/3 ft below here
temp, wind, gust, visibility, precip, pressure
Prairie CityNSSI4
At a river or reservoir gauge/3.7 mi away/728 ft/200 ft below here
temp, wind, gust, humidity, pressure
PleasantvilleRPEI4
Beside a road/8.7 mi away/893 ft/35 ft below here
temp, pavement temp, wind, visibility, precip
Des Moines 17 E54902
At a climate reference station/19.9 mi away/903 ft/25 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Knoxville 0.5 ENEIA-MA-14
In a volunteer observer's own ground/2.0 mi away/879 ft/49 ft below here
precip, snowfall, snow depth
Pella 1 SPEAI4
At a cooperative observer's station/15.5 mi away/761 ft/167 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 Pella 1 S (PEAI4), 15.5 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 Knoxville Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Knoxvillecity, 2 mi
- Melcher-Dallascity, 8 mi
- Harveycity, 10 mi
- Pleasantvillecity, 10 mi
- Marysvillecity, 12 mi
- Pellacity, 13 mi
- Busseycity, 14 mi
- Hamiltoncity, 14 mi
- Sandyvillecity, 15 mi
- Monroecity, 15 mi
- Swancity, 16 mi
- Loviliacity, 16 mi
Airports near Knoxville Municipal Airport
- Pella Municipal AirportPEA, 11 mi
- Chariton Municipal AirportCNC, 23 mi
- Newton Municipal AirportTNU, 26 mi
- Des Moines International AirportDSM, 32 mi
- Oskaloosa Municipal AirportOOA, 33 mi
- Osceola Municipal AirportI75, 34 mi
- Grinnell Regional AirportGGI, 34 mi
- Ankeny Regional AirportIKV, 36 mi