Temperature
43 F at 1 AM; 57 F at its warmest, 12 PM Friday, and 43 F at its coolest, 1 AM.
- Now
- 43F
- 1 AM
- Highest
- 57F
- 12 PM Friday
- Lowest
- 43F
- 1 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coles County Memorial Airport, Illinois
Small airport in Coles County, Illinois* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central, east central, and southeast Illinois. * WHEN...From 1 AM to 9 AM CDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
43°
59°/38°
Clear·
Feels like 37°·Gentle breeze 10 mph N
Alert. A Frost Advisory is in force for Coles County Memorial Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Coles County Memorial Airport is 43° and clear at 2 AM. With the wind it feels like 37°. The dew point is 39°, so the air feels dry and comfortable. Gentle breeze from the north at 10 mph.
The week. The warmest day ahead is Thursday, near 79°, and the coolest tomorrow, near 66°. The days ahead look dry. Frost is possible tomorrow morning, a low of 35°.
The sky tonight. The sun sets at 6:11 PM. The Moon is a waxing crescent, 42% lit, and sets at 11:09 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 day is 11 hours 7 minutes long, 2 minutes shorter than yesterday.
-UV
12Air quality
86%Humidity
0%Cloud
Now
2:00 AM
43feels37
now, clear
Today
Oct 17
5938
overcast
Sun
Oct 18
6635
clear day
Mon
Oct 19
7237
clear day
Tue
Oct 20
7541
overcast
Wed
Oct 21
7743
overcast
Thu
Oct 22
7946
overcast
Fri
Oct 23
7950
overcast
43°
59°38°
66°35°
72°37°
75°41°
77°43°
79°46°
79°50°
As of 2:00 AM in Coles County Memorial Airport, Illinois.
Air quality
The air at Coles County Memorial Airport
Index 12, good, led by ozone. Read at 2 AM from its reporting area, Decatur (IL), 45 miles off.
12Good
- Fine particles (PM2.5)6Good-
- Ozone12Good-
The days ahead
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 15, good.
GoodModerate
- 15YesterdayOct 16
- GoodTodayOct 17
- GoodSunOct 18
- GoodMonOct 19
Smoke, the next 42 hours
No smoke near the ground through Sun 7 PM.
Precipitation
What has fallen at Coles County Memorial Airport
0.07 in in the last 24 hours, 0.60 in over the last 3 days, to Sat 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.07in
- Last 3 days
- 0.60in
3 days agoLast 24 hours 12%
Visibility
How far you can see at Coles County Memorial Airport, the next 42 hours
Visibility stays 8 miles or more through Sun 7 PM, lowest 9 miles Sat 7 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- MTO
- ICAO
- KMTO
- IATA
- MTO
- Field elevation
- 722 ft
- Serves
- Mattoon
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- MTO
- Wind now
- From 340° at 9 mph, read 17 Oct, 01:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 06 / 24 | 5,799 ft | 100 ft | Asphalt | 60° / 240° | 2 mph head, on 06 | 9 mph from the left |
| 11 / 29 | 6,501 ft | 150 ft | Concrete | 113° / 293° | 6 mph head, on 29 | 7 mph from the right |
| 18 / 36 unlit | 1,098 ft | 250 ft | Grass | 176° / 356° | 9 mph head, on 36 | 2 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Mattoon/Charlest (MTO), Coles County Memorial Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 39 F, the air 86% saturated; the humidity ran from 57% at 2 PM Friday to 93% at 6 PM Friday.
- Dew point now
- 39F
- 1 AM
- Humidity now
- 86%
- Humidity, range
- 57 to 93%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
8 mph from the north northwest at 2 AM; at its strongest 22 mph, 3 AM Friday, with a gust of 40 mph at 8 AM Friday.
- Now
- 8mph
- from the north northwest
- Strongest
- 22mph
- 3 AM Friday
- Highest gust
- 40mph
- 8 AM Friday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.42 inHg at 2 AM, rising 0.03 inHg over 3 hours; 0.40 inHg higher than a day before.
- Now
- 30.42inHg
- 2 AM
- 3 hours
- +0.03inHg
- rising
- 24 hours
- +0.40inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 5 miles at 6 PM Friday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 5mi
- 6 PM Friday
- 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 1,300 ft at 4 AM Friday; a base was reported in 21 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 1,300ft
- 4 AM Friday
- Hours with a base reported
- 21
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.01 in measured in the gauge, the most, 0.01 in, in the hour to 6 PM Friday.
- Last 24 hours
- 0.01in
- Wettest hour
- 0.01in
- 6 PM Friday
- Hours with some
- 4
How it is measured: ASOS, Field Book FB-INS-002
Mattoon/Charlest: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Coles County 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 now4 instruments
At an airfield/0.0 mi away/702 ft/20 ft below here
temp, wind, gust, visibility, precip, pressure
I-57 @ IL-16 MattoonSS0305
Beside a road/2.3 mi away/-/- ft from here
temp, pavement temp, wind, visibility, precip
Bondville CRNBNDI2
At a river or reservoir gauge/38.3 mi away/682 ft/40 ft below here
temp, wind, gust, humidity, pressure
Champaign 9 SW54808
At a climate reference station/39.8 mi away/700 ft/22 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
MattoonMOOI2
At a cooperative observer's station/4.0 mi away/696 ft/26 ft below here
snowfall, snow depth, precip, high, low
Charleston 0.8 NWIL-CE-13
In a volunteer observer's own ground/5.0 mi away/667 ft/55 ft below here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Mattoon (MOOI2), 4.0 miles from here, read 16 Oct, 08:00. measured daily
Elsewhere in Illinois
23 places, each with its own forecast and its own instruments.
AuroracityBloomingtoncityCarbondalecityChampaigncityChicagocityDanvillecityDecaturcityElgincityGalenatownIllinois RiverfeatureJolietcityLake ShelbyvillefeatureMolinecityMount VernoncityNapervillecityPeoriacityQuincycityRockfordcityShawnee National ForestfeatureSpringfieldcityStarved RockfeatureVilla Oliviaski areaWaukegancity
Near Coles County Memorial Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Lernavillage, 4 mi
- Mattooncity, 5 mi
- Charlestoncity, 6 mi
- Janesvillecommunity, 7 mi
- Trillacommunity, 8 mi
- Humboldtvillage, 9 mi
- Gaysvillage, 12 mi
- Ashmorevillage, 14 mi
- Neogacity, 14 mi
- Arcolacity, 14 mi
- Toledovillage, 14 mi
- Allenvillevillage, 14 mi
Airports near Coles County Memorial Airport
- Effingham County Memorial Airport1H2, 31 mi
- Edgar County AirportPRG, 36 mi
- University of Illinois Willard AirportCMI, 39 mi
- Decatur AirportDEC, 40 mi
- Robinson Municipal AirportRSV, 46 mi
- Olney Noble AirportOLY, 53 mi
- Taylorville Municipal AirportTAZ, 56 mi
- Rantoul National Aviation Center - Frank Elliot fieldTIP, 57 mi