Temperature
46 F at 1 AM; 57 F at its warmest, 10 AM Thursday, and 46 F at its coolest, 1 AM.
- Now
- 46F
- 1 AM
- Highest
- 57F
- 10 AM Thursday
- Lowest
- 46F
- 1 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Boone Municipal Airport, Iowa
Small airport in Boone 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.
46°
51°/43°
Overcast·
Feels like 40°·Moderate breeze 15 mph NW
Alert. A Freeze Watch is in force for Boone Municipal Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Boone Municipal Airport is 46° and overcast at 1 AM. With the wind it feels like 40°. The dew point is 41°, so the air feels dry and comfortable. Moderate breeze from the northwest at 15 mph.
Today and tonight. It warms to about 49° by 2 PM. Tonight falls to about 32° by 6 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 74°, and the coolest tomorrow, near 57°. The days ahead look dry. The first freeze could come tomorrow, a low of 32°.
The sky tonight. The sun sets at 6:32 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:23 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 4 minutes long, 2 minutes shorter than yesterday.
0UV Low
16Air quality
81%Humidity
98%Cloud
Now
1:00 AM
46feels40
15mph
Today
Oct 16
5143
23mph
Sat
Oct 17
5732
13mph
Sun
Oct 18
6441
15mph
Mon
Oct 19
6546
overcast
Tue
Oct 20
7046
overcast
Wed
Oct 21
7453
overcast
Thu
Oct 22
7457
19%
46°
51°43°
57°32°
64°41°
65°46°
70°46°
74°53°
74°57°
As of 1:00 AM in Boone Municipal Airport, Iowa.
Air quality
The air at Boone Municipal Airport
Index 16, good, led by ozone. Read at 12 AM from its reporting area, Des Moines (IA), 37 miles off.
16Good
- Fine particles (PM2.5)15Good-
- Ozone16Good16 ppb15.9 mi
The days ahead
Good each day through Sat Oct 17, led by fine particles. Yesterday measured 20, good.
GoodModerate
- 20YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
Smoke, the next 43 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Boone Municipal Airport
1.25 in in the last 24 hours, and none in the 2 days before, to Fri 12 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 1.25in
- Last 3 days
- 1.25in
Visibility
How far you can see at Boone Municipal Airport, the next 43 hours
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 6 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- BNW
- ICAO
- KBNW
- IATA
- BNW
- Field elevation
- 1,160 ft
- Serves
- Boone
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- BNW
- Wind now
- From 290° at 16 mph, read 16 Oct, 00:35
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 02 / 20 unlit | 3,248 ft | 146 ft | GRE | 25° / 205° | 1 mph head, on 20 | 16 mph from the right |
| 15 / 33 | 4,808 ft | 75 ft | Asphalt and concrete | 149° / 329° | 12 mph head, on 33 | 10 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Boone Muni (BNW), Boone 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 81% saturated; the humidity ran from 80% at 12 AM to 100% at 4 AM Thursday.
- Dew point now
- 41F
- 1 AM
- Humidity now
- 81%
- Humidity, range
- 80 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
15 mph from the west northwest at 1 AM; at its strongest 20 mph, 4 PM Thursday, with a gust of 38 mph at 9 PM Thursday.
- Now
- 15mph
- from the west northwest
- Strongest
- 20mph
- 4 PM Thursday
- Highest gust
- 38mph
- 9 PM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.14 inHg at 1 AM, steady over 3 hours; 0.07 inHg higher than a day before.
- Now
- 30.14inHg
- 1 AM
- 3 hours
- +0.01inHg
- steady
- 24 hours
- +0.07inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 0.8 miles at 9 AM Thursday, under a mile for 2 hours; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 0.8mi
- 9 AM Thursday
- 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 300 ft at 5 AM Thursday; a base was reported in 23 of the hours.
- Lowest base now
- 3,600ft
- Lowest in 24 hours
- 300ft
- 5 AM Thursday
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
1.30 in measured in the gauge, the most, 0.34 in, in the hour to 12 PM Thursday.
- Last 24 hours
- 1.30in
- Wettest hour
- 0.34in
- 12 PM Thursday
- Hours with some
- 13
How it is measured: ASOS, Field Book FB-INS-002
Boone Muni: 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 Boone 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
Boone MuniBNW
At an airfield/0.1 mi away/1,146 ft/14 ft below here
temp, wind, gust, visibility, precip, pressure
Ames ScanAMMI4
At a river or reservoir gauge/6.3 mi away/1,073 ft/87 ft below here
temp, wind, gust, humidity, pressure
AmesS2031
At a soil climate station/7.4 mi away/1,073 ft/87 ft below here
temp, humidity, soil temp, soil moisture
Ames (I-35)RAMI4
Beside a road/14.3 mi away/1,027 ft/133 ft below here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Boone 0.5 NEIA-BN-7
In a volunteer observer's own ground/1.4 mi away/1,125 ft/35 ft below here
precip, snowfall, snow depth
Ames 8 WSWAMSI4
At a cooperative observer's station/4.3 mi away/1,096 ft/64 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Boone Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
Airports near Boone Municipal Airport
- Ames Municipal AirportAMW, 12 mi
- Perry Municipal AirportPRO, 22 mi
- Webster City Municipal AirportEBS, 27 mi
- Ankeny Regional AirportIKV, 29 mi
- Des Moines International AirportDSM, 37 mi
- Fort Dodge Regional AirportFOD, 39 mi
- Iowa Falls Municipal AirportIFA, 41 mi
- Marshalltown Municipal AirportMIW, 48 mi