Now. Marshall County Airport is 55° and overcast at 12 AM. The dew point is 50°, so the air feels dry and comfortable. Gentle breeze from the west-northwest at 9 mph, gusting to 24 mph.
Today and tonight. The warmest of the day has passed; it cools to about 48° by 8 PM. Tonight falls to about 34° by 7 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 Thursday, near 75°, and the coolest tomorrow, near 57°. The days ahead look dry. Frost is possible tomorrow morning, a low of 34°.
The sky tonight. The sun sets at 6:16 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 7 minutes long, 3 minutes shorter than yesterday.
As of 12:00 AM in Marshall County Airport, Illinois.
Air quality
Index 12, good, led by fine particles. Read at 11 PM from its reporting area, Peoria (IL), 17 miles off.
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 52, moderate.
No smoke near the ground through Sat 7 PM.
Precipitation
0.05 in in the last 24 hours, 0.13 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Sat 8 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 13 / 31 | 4,003 ft | 75 ft | Asphalt | 128° / 308° | 8 mph head, on 31 | 1 mph from the left |
| 18 / 36 | 2,199 ft | 50 ft | Asphalt | 181° / 1° | 4 mph head, on 36 | 7 mph from the left |
Measured here
Every hour from Lacon (C75), Marshall County Airport's own instrument, measure by measure, on the field's own clock.
58 F at 10 PM Thursday; 70 F at its warmest, 2 PM Thursday, and 58 F at its coolest, 7 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 54 F, the air 85% saturated; the humidity ran from 73% at 2 AM Thursday to 94% at 5 PM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
13 mph from the west northwest at 10 PM Thursday; at its strongest 15 mph, 9 PM Thursday, with a gust of 25 mph at 9 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.93 inHg at 10 PM Thursday, rising 0.12 inHg over 3 hours; 0.20 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 1 mile at 4 PM Thursday; 7 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 300 ft at 4 PM Thursday; a base was reported in 22 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.01 in measured in the gauge, the most, 0.01 in, in the hour to 9 PM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
Lacon: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Marshall County 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 now3 instruments
LaconC75
At an airfield/0.1 mi away/568 ft/level with here
temp, wind, gust, visibility, precip, pressure
- 17 @ Illinois RiverSS1920
Beside a road/1.5 mi away/-/- ft from here
temp, pavement temp, wind, visibility, precip
Illinois River AT Peoria L/DPRAI2
At a river or reservoir gauge/29.6 mi away/463 ft/105 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
LaconLCOI2
At a cooperative observer's station/1.9 mi away/463 ft/105 ft below here
snowfall, snow depth, precip, high, low
Lacon 4.3 NEIL-MH-8
In a volunteer observer's own ground/3.8 mi away/659 ft/91 ft above here
precip, snowfall, snow depth
0in
Snow on the ground
Measured at Lacon (LCOI2), 1.9 miles from here, read 13 Oct, 08:00. measured daily
23 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.