Temperature
48 F at 10 PM; 54 F at its warmest, 4 PM, and 48 F at its coolest, 10 PM.
- Now
- 48F
- 10 PM
- Highest
- 54F
- 4 PM
- Lowest
- 48F
- 10 PM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/South Dakota/Harold Davidson Field
Harold Davidson Field, South Dakota
Small airport in Clay County, South Dakota* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. * 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.
47°
59°/45°
Overcast·
Feels like 41°·Moderate breeze 17 mph NW
Alert. A Freeze Watch is in force for Harold Davidson Field until 8 AM Saturday. Read the alert in full, and see what it means in the Field Book.
Now. Harold Davidson Field is 47° and overcast at 11 PM. With the wind it feels like 41°. The dew point is 35°, so the air feels dry and comfortable. Moderate breeze from the northwest at 17 mph, gusting to 31 mph.
Today and tonight. Tonight falls to about 39° by 8 AM, under 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 23 mph. The first freeze could come Saturday, a low of 32°.
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 south-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. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 6 minutes long, 3 minutes shorter than yesterday.
0UV Low
28Air quality
61%Humidity
96%Cloud
Now
11:00 PM
47feels41
17mph
Today
Oct 15
5945
96%
21mph
Fri
Oct 16
5239
23mph
Sat
Oct 17
6032
20mph
Sun
Oct 18
6641
16mph
Mon
Oct 19
6542
overcast
Tue
Oct 20
7044
overcast
Wed
Oct 21
7553
15%
47°
59°45°
52°39°
60°32°
66°41°
65°42°
70°44°
75°53°
As of 11:00 PM in Harold Davidson Field, South Dakota.
Air quality
The air at Harold Davidson Field
Index 28, good, led by fine particles. Read at 10 PM from its reporting area, Vermillion (SD), 1 mile off.
28Good
- Fine particles (PM2.5)28Good-
- Ozone21Good-
The days ahead
Yesterday measured 24, good.
GoodModerate
- 24YesterdayOct 14
Smoke, the next 45 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Harold Davidson Field
0.70 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.70in
- Last 3 days
- 0.70in
Visibility
How far you can see at Harold Davidson Field, the next 45 hours
Visibility stays 10 miles or more through Sat 7 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- VMR
- ICAO
- KVMR
- IATA
- -
- Field elevation
- 1,146 ft
- Serves
- Vermillion
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- VMR
- Wind now
- From 300° at 16 mph, read 15 Oct, 22:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 12 / 30 | 4,105 ft | 75 ft | Asphalt | 126° / 306° | 16 mph head, on 30 | 2 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Vermillion (VMR), Harold Davidson Field's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 39 F, the air 71% saturated; the humidity ran from 65% at 6 PM to 100% at 12 AM.
- Dew point now
- 39F
- 10 PM
- Humidity now
- 71%
- Humidity, range
- 65 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
16 mph from the west northwest at 10 PM; at its strongest 21 mph, 7 PM, with a gust of 35 mph at 9 PM.
- Now
- 16mph
- from the west northwest
- Strongest
- 21mph
- 7 PM
- Highest gust
- 35mph
- 9 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.27 inHg at 10 PM, steady over 3 hours; 0.14 inHg higher than a day before.
- Now
- 30.27inHg
- 10 PM
- 3 hours
- +0.02inHg
- steady
- 24 hours
- +0.14inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 2 miles at 2 AM; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 2mi
- 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 500 ft at 5 AM; a base was reported in 23 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 500ft
- 5 AM
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.20 in measured in the gauge, the most, 0.04 in, in the hour to 12 PM.
- Last 24 hours
- 0.20in
- Wettest hour
- 0.04in
- 12 PM
- Hours with some
- 14
How it is measured: ASOS, Field Book FB-INS-002
Vermillion: 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 Harold Davidson Field, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now2 instruments
VermillionVMR
At an airfield/0.0 mi away/1,145 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
Sd RWIS GayvilleSD532
Beside a road/16.4 mi away/1,161 ft/15 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
VermillionVRMS2
At a cooperative observer's station/0.8 mi away/1,138 ft/8 ft below here
snowfall, snow depth, precip, high, low
Vermillion 0.6 SESD-CY-9
In a volunteer observer's own ground/1.0 mi away/1,236 ft/90 ft above here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Vermillion (VRMS2), 0.8 miles from here, read 15 Oct, 15:00. measured daily
Elsewhere in South Dakota
24 places, each with its own forecast and its own instruments.
AberdeencityBadlandsfeatureBelle FourchecityBlack Elk PeakfeatureBlack HillsfeatureBrookingscityCustercityDeadwoodcityGreat Bearski areaHot SpringscityHuroncityLake OahefeatureLeadcityMitchellcityPierrecityRapid CitycitySioux FallscitySpearfishcitySturgiscityTerry Peakski areaVermillioncityWatertowncityWind Cave National ParkfeatureYanktoncity
Near Harold Davidson Field
The nearest places, each with its own forecast and the instruments nearest it.
Airports near Harold Davidson Field
- Chan Gurney Municipal AirportYKN, 25 mi
- Sioux Falls Regional AirportFSD, 57 mi
- Wagner Municipal AirportAGZ, 72 mi
- Madison Municipal AirportMDS, 87 mi
- Mitchell Municipal AirportMHE, 89 mi
- Brookings Regional AirportBKX, 107 mi
- Wilder Airport6E5, 119 mi
- Huron Regional AirportHON, 129 mi