Airports/North Dakota/Mercer County Regional Airport
Alert. A Freeze Warning is in force for Mercer County Regional Airport until 8 AM today. Read the alert in full, and see what it means in the Field Book. Tomorrow is 23 degrees warmer: a high of 74° after 51° today.
Now. Mercer County Regional Airport is 41° and overcast at 1 AM. With the wind it feels like 31°. The dew point is 37°, so the air feels dry and comfortable. Fresh breeze from the north-northwest at 20 mph.
Today and tonight. It warms to about 49° by 4 PM. Tonight falls to about 36° by 6 AM, under a mostly clear sky. Frost can form on the ground in sheltered spots. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 74°, and the coolest Sunday, near 62°. The days ahead look dry. The first freeze could come Monday, a low of 32°.
The sky tonight. The sun sets at 6:57 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:30 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 10 hours 52 minutes long, 4 minutes shorter than yesterday.
As of 1:00 AM in Mercer County Regional Airport, North Dakota.
Air quality
Index 18, good, led by ozone. Read at 12 AM from its reporting area, Beulah (ND), 9 miles off.
Yesterday measured 18, good.
No smoke near the ground through Sat 7 PM.
Precipitation
None in the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 7 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 15 / 33 | 4,999 ft | 75 ft | Asphalt | 153° / 333° | 23 mph head, on 33 | 3 mph from the right |
Measured here
Every hour from Hazen (HZE), Mercer County Regional Airport's own instrument, measure by measure, on the field's own clock.
43 F at 10 PM Thursday; 49 F at its warmest, 2 AM Thursday, and 41 F at its coolest, 5 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 39 F, the air 87% saturated; the humidity ran from 61% at 10 AM Thursday to 96% at 4 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
20 mph from the north northwest at 10 PM Thursday; at its strongest 30 mph, 4 PM Thursday, with a gust of 45 mph at 5 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.56 inHg at 10 PM Thursday, rising 0.12 inHg over 3 hours; 0.46 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 2 miles at 7 AM Thursday; 8 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 1,300 ft at 10 PM Thursday; a base was reported in 17 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Hazen: every reading, the last 7 days, 30 days and the year, and how well it reports
The 4 instruments nearest Mercer County Regional Airport, 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
HazenHZE
At an airfield/0.0 mi away/1,811 ft/3 ft below here
temp, wind, gust, visibility, precip, pressure
Coleharbor US 83 MP 151.6ND021
Beside a road/24.1 mi away/1,907 ft/93 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Hazen 0.4 ESEND-MR-7
In a volunteer observer's own ground/1.8 mi away/1,745 ft/69 ft below here
precip, snowfall, snow depth
RiverdaleRIVN8
At a cooperative observer's station/18.1 mi away/1,962 ft/148 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
21 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.