Temperature
43 F at 2 AM; 54 F at its warmest, 3 AM Thursday, and 43 F at its coolest, 2 AM.
- Now
- 43F
- 2 AM
- Highest
- 54F
- 3 AM Thursday
- Lowest
- 43F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Decorah Municipal Airport, Iowa
Small airport in Winneshiek County, Iowa* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Portions of north central and northeast Iowa, southeast Minnesota, and central, north central, southwest, and west central Wisconsin. * 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.
46°
51°/41°
Mostly cloudy·
Feels like 42°·Gentle breeze 9 mph WNW
Alert. A Freeze Warning is in force for Decorah Municipal Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Decorah Municipal Airport is 46° and mostly cloudy at 2 AM. With the wind it feels like 42°. The dew point is 43°, so the air feels dry and comfortable. Gentle breeze from the west-northwest at 9 mph.
Today and tonight. It warms to about 50° by 4 PM. Tonight falls to about 31° by 6 AM, under a mostly clear sky. A freeze: protect plants and pipes.
The week. The warmest day ahead is Wednesday, near 70°, and the coolest tomorrow, near 55°. The days ahead look dry. The first freeze could come tomorrow, a low of 30°.
The sky tonight. The sun sets at 6:23 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:09 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 2 minutes long, 3 minutes shorter than yesterday.
0UV Low
18Air quality
100%Humidity
74%Cloud
Now
2:00 AM
46feels42
now, partly cloudy
Today
Oct 16
5141
82%
17mph
Sat
Oct 17
5530
12mph
Sun
Oct 18
6140
13mph
Mon
Oct 19
6343
overcast
Tue
Oct 20
6743
overcast
Wed
Oct 21
7048
13%
Thu
Oct 22
7054
18%
46°
51°41°
55°30°
61°40°
63°43°
67°43°
70°48°
70°54°
As of 2:00 AM in Decorah Municipal Airport, Iowa.
Air quality
The air at Decorah Municipal Airport
Index 18, good, led by ozone. Read at 1 AM from its reporting area, Mississippi River Valley (MN), 54 miles off.
18Good
- Ozone18Good-
The days ahead
Good each day through Sun Oct 18, led by ozone.
GoodModerate
- 23TodayOct 16
- GoodSatOct 17
- GoodSunOct 18
Smoke, the next 42 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Decorah Municipal Airport
0.47 in in the last 24 hours, 0.48 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.47in
- Last 3 days
- 0.48in
3 days agoLast 24 hours 98%
Visibility
How far you can see at Decorah Municipal Airport, the next 42 hours
Visibility stays 5 miles or more through Sat 7 PM, lowest 6 miles Fri 7 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- DEH
- ICAO
- KDEH
- IATA
- DEH
- Field elevation
- 1,158 ft
- Serves
- Decorah
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- DEH
- Wind now
- Variable at 7 mph, read 16 Oct, 01:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 11 / 29 | 4,001 ft | 75 ft | Concrete | 115° / 295° | - | - |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Decorah (DEH), Decorah Municipal Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 43 F, the air 100% saturated; the humidity ran from 85% at 12 AM to 100% at 3 AM Thursday.
- Dew point now
- 43F
- 2 AM
- Humidity now
- 100%
- Humidity, range
- 85 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
8 mph from the west northwest at 2 AM; at its strongest 11 mph, 6 PM Thursday, with a gust of 28 mph at 6 PM Thursday.
- Now
- 8mph
- from the west northwest
- Strongest
- 11mph
- 6 PM Thursday
- Highest gust
- 28mph
- 6 PM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.00 inHg at 2 AM, rising 0.04 inHg over 3 hours; 0.12 inHg lower than a day before.
- Now
- 30.00inHg
- 2 AM
- 3 hours
- +0.04inHg
- rising
- 24 hours
- -0.12inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 1 miles at 9 AM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 1mi
- 9 AM Thursday
- 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 400 ft at 9 AM Thursday; a base was reported in 23 of the hours.
- Lowest base now
- 4,200ft
- Lowest in 24 hours
- 400ft
- 9 AM Thursday
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.50 in measured in the gauge, the most, 0.10 in, in the hour to 1 PM Thursday.
- Last 24 hours
- 0.50in
- Wettest hour
- 0.10in
- 1 PM Thursday
- Hours with some
- 12
How it is measured: ASOS, Field Book FB-INS-002
Decorah: 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 Decorah Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.
measured now3 instruments
DecorahDEH
At an airfield/0.2 mi away/1,157 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
Decorah (IA 9)RDCI4
Beside a road/2.9 mi away/1,017 ft/141 ft below here
temp, pavement temp, wind, visibility, precip
Harpers Ferry 5WSW - Yellow River Park RAWSYSPI4
A remote fire weather station/25.9 mi away/748 ft/410 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Decorah 4.9SEIA-WH-5
In a volunteer observer's own ground/2.0 mi away/1,110 ft/48 ft below here
precip, snowfall, snow depth
DecorahDCRI4
At a cooperative observer's station/3.4 mi away/876 ft/282 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 Decorah (DCRI4), 3.4 miles from here, read 15 Oct, 16:00. measured daily
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Decorah Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
Airports near Decorah Municipal Airport
- Oelwein Municipal AirportOLZ, 43 mi
- Northeast Iowa Regional AirportCCY, 46 mi
- Independence Municipal AirportIIB, 58 mi
- Waterloo Regional AirportALO, 60 mi
- Vinton Veterans Memorial AirparkVTI, 74 mi
- Monticello Regional AirportMXO, 79 mi
- Dubuque Regional AirportDBQ, 80 mi
- Mason City Municipal AirportMCW, 80 mi