Alert. A Freeze Watch is in force for Rosecrans Memorial Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Rosecrans Memorial Airport is 50° and mostly clear at 12 AM. The dew point is 38°, so the air feels dry and comfortable. Moderate breeze from the north-northwest at 17 mph, gusting to 32 mph.
Today and tonight. It warms to about 54° by 3 PM. Tonight falls to about 32° by 7 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 Thursday, near 80°, and the coolest tomorrow, near 60°. The days ahead look dry. The first freeze could come tomorrow, a low of 31°.
The sky tonight. The sun sets at 6:39 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:37 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 9 minutes long, 2 minutes shorter than yesterday.
As of 12:00 AM in Rosecrans Memorial Airport, Missouri.
Air quality
Index 16, good, led by ozone. Read at 11 PM from its reporting area, St. Joseph (MO), 13 miles off.
Yesterday measured 48, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.05 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.
Visibility
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 7 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 13 / 31 unlit | 4,797 ft | 75 ft | Asphalt and concrete | 136° / 316° | 17 mph head, on 31 | 4 mph from the right |
| 17 / 35 | 8,061 ft | 150 ft | Concrete | 180° / 0° | 16 mph head, on 35 | 9 mph from the left |
Measured here
Every hour from St. Joseph (STJ), Rosecrans Memorial Airport's own instrument, measure by measure, on the field's own clock.
54 F at 10 PM Thursday; 65 F at its warmest, 11 AM Thursday, and 54 F at its coolest, 9 PM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 48 F, the air 80% saturated; the humidity ran from 74% at 6 PM Thursday to 97% at 11 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
11 mph from the north northwest at 10 PM Thursday; at its strongest 16 mph, 4 PM Thursday, with a gust of 35 mph at 4 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.25 inHg at 10 PM Thursday, rising 0.08 inHg over 3 hours; 0.20 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 2 miles at 9 AM Thursday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 300 ft at 11 AM Thursday; a base was reported in 22 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.06 in measured in the gauge, the most, 0.03 in, in the hour to 5 AM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
St. Joseph: every reading, the last 7 days, 30 days and the year, and how well it reports
The 3 instruments nearest Rosecrans Memorial 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 now1 instrument
St. JosephSTJ
At an airfield/0.0 mi away/810 ft/16 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
St. Joseph 1.3 SWMO-BC-3
In a volunteer observer's own ground/4.0 mi away/894 ft/68 ft above here
precip, snowfall, snow depth
Cosby 2WCSBM7
At a cooperative observer's station/12.1 mi away/932 ft/106 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
24 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.