Temperature
45 F at 2 AM; 46 F at its warmest, 12 AM, and 45 F at its coolest, 2 AM.
- Now
- 45F
- 2 AM
- Highest
- 46F
- 12 AM
- Lowest
- 45F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Sheldon Regional Airport, Iowa
Small airport in O'Brien County, Iowa* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of northwest and west central Iowa and southwest Minnesota. * 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.
44°
50°/39°
Overcast·
Feels like 37°·Moderate breeze 16 mph NW
Alert. A Freeze Warning is in force for Sheldon Regional Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book. Tomorrow is 8 degrees warmer: a high of 58° after 50° today.
Now. Sheldon Regional Airport is 44° and overcast at 2 AM. With the wind it feels like 37°. The dew point is 43°, so the air feels dry and comfortable. Moderate breeze from the northwest at 16 mph.
Today and tonight. It warms to about 49° by 3 PM. Tonight falls to about 31° by 2 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 58°. The days ahead look dry. The first freeze could come tomorrow, a low of 29°.
The sky tonight. The sun sets at 6:39 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:26 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
22Air quality
100%Humidity
99%Cloud
Now
2:00 AM
44feels37
16mph
Today
Oct 16
5039
16%
24mph
Sat
Oct 17
5829
18mph
Sun
Oct 18
6538
17mph
Mon
Oct 19
6641
overcast
Tue
Oct 20
7043
overcast
Wed
Oct 21
7451
14%
12mph
Thu
Oct 22
7454
17%
44°
50°39°
58°29°
65°38°
66°41°
70°43°
74°51°
74°54°
As of 2:00 AM in Sheldon Regional Airport, Iowa.
Air quality
The air at Sheldon Regional Airport
Index 22, good, led by fine particles. Read at 1 AM from its reporting area, Sioux Falls (SD), 50 miles off.
22Good
- Fine particles (PM2.5)22Good-
- Ozone19Good-
- Coarse particles (PM10)16Good-
The days ahead
Yesterday measured 32, good.
GoodModerate
- 32YesterdayOct 15
Smoke, the next 42 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Sheldon Regional Airport
0.46 in in the last 24 hours, 0.52 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.46in
- Last 3 days
- 0.52in
3 days agoLast 24 hours 88%
Visibility
How far you can see at Sheldon Regional Airport, the next 42 hours
Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 4 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- SHL
- ICAO
- KSHL
- IATA
- -
- Field elevation
- 1,419 ft
- Serves
- Sheldon
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- SHL
- Wind now
- From 300° at 15 mph, read 16 Oct, 01:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 15 / 33 | 4,199 ft | 75 ft | Concrete | 156° / 336° | 12 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 Sheldon (SHL), Sheldon Regional Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 45 F, the air 100% saturated; the humidity ran from 80% at 12 AM to 100% at 2 AM.
- Dew point now
- 45F
- 2 AM
- Humidity now
- 100%
- Humidity, range
- 80 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
17 mph from the west northwest at 2 AM; at its strongest 18 mph, 12 AM, with a gust of 29 mph at 1 AM.
- Now
- 17mph
- from the west northwest
- Strongest
- 18mph
- 12 AM
- Highest gust
- 29mph
- 1 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.20 inHg at 2 AM; 0.02 inHg higher than a day before.
- Now
- 30.20inHg
- 2 AM
- 3 hours
- -
- 24 hours
- +0.02inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 9 miles at 2 AM; 9 miles now.
- Now
- 9mi
- Lowest
- 9mi
- 2 AM
- 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 2 AM; a base was reported in 3 of the hours.
- Lowest base now
- 2,400ft
- Lowest in 24 hours
- 2,400ft
- 2 AM
- Hours with a base reported
- 3
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
Sheldon: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 4 instruments nearest Sheldon Regional 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 now2 instruments
measured daily2 instruments
Sheldon 1.0 ENEIA-OB-6
In a volunteer observer's own ground/1.6 mi away/1,421 ft/2 ft above here
precip, snowfall, snow depth
SheldonSHDI4
At a cooperative observer's station/2.1 mi away/1,430 ft/11 ft above 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 Sheldon (SHDI4), 2.1 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 Sheldon Regional Airport
The nearest places, each with its own forecast and the instruments nearest it.
Airports near Sheldon Regional Airport
- Sioux County Regional AirportSXK, 23 mi
- Spencer Municipal AirportSPW, 32 mi
- Le Mars Municipal AirportLRJ, 35 mi
- Cherokee County Regional AirportCKP, 36 mi
- Storm Lake Municipal AirportSLB, 52 mi
- Estherville Municipal AirportEST, 56 mi
- Sioux Gateway Airport / Brigadier General Bud Day FieldSUX, 63 mi
- Algona Municipal AirportAXA, 79 mi