Temperature
46 F at 7 AM; 73 F at its warmest, 12 PM Thursday, and 45 F at its coolest, 5 AM.
- Now
- 46F
- 7 AM
- Highest
- 73F
- 12 PM Thursday
- Lowest
- 45F
- 5 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A Frost Advisory is in force for Ottawa Municipal Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Ottawa Municipal Airport is 44° and overcast at 7 AM. With the wind it feels like 37°. The dew point is 39°, so the air feels dry and comfortable. Moderate breeze from the northwest at 14 mph.
Today and tonight. It warms to about 55° by 3 PM. Tonight falls to about 33° 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 82°, and the coolest tomorrow, near 59°. The days ahead look dry. Frost is possible tomorrow morning, a low of 33°.
The sky tonight. The sun sets at 6:42 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:43 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 12 minutes long, 2 minutes shorter than yesterday.
As of 7:00 AM in Ottawa Municipal Airport, Kansas.
Air quality
Index 19, good, led by ozone. Read at 7 AM from its reporting area, Topeka (KS), 42 miles off.
Yesterday measured 28, good.
No smoke near the ground through Sun 1 AM.
Precipitation
0.16 in in the last 24 hours, 2.00 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 7 miles or more through Sun 1 AM, lowest 8 miles Sat 8 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 13 / 31 unlit | 1,550 ft | 95 ft | Grass | 131° / 311° | 14 mph head, on 31 | None |
| 17 / 35 | 4,500 ft | 75 ft | Asphalt | 180° / 0° | 9 mph head, on 35 | 11 mph from the left |
Measured here
Every hour from Ottawa (OWI), Ottawa Municipal Airport's own instrument, measure by measure, on the field's own clock.
46 F at 7 AM; 73 F at its warmest, 12 PM Thursday, and 45 F at its coolest, 5 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 38 F, the air 73% saturated; the humidity ran from 66% at 1 AM to 100% at 8 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
13 mph from the northwest at 7 AM; at its strongest 17 mph, 7 PM Thursday, with a gust of 35 mph at 7 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.39 inHg at 7 AM, steady over 3 hours; 0.43 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 0.8 miles at 2 PM Thursday, under a mile for 1 hour; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 200 ft at 8 AM Thursday; a base was reported in 19 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.21 in measured in the gauge, the most, 0.19 in, in the hour to 2 PM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
Ottawa: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Ottawa Municipal Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.
measured now4 instruments
OttawaOWI
At an airfield/0.2 mi away/960 ft/6 ft below here
temp, wind, gust, visibility, precip, pressure
Marais Des Cygnes River 1 NW OsawatomieOSMK1
At a river or reservoir gauge/16.0 mi away/869 ft/97 ft below here
temp, wind, gust, humidity, pressure
US-59/169 GarnettK5GAR
Beside a road/19.1 mi away/1,086 ft/120 ft above here
temp, pavement temp, wind, visibility, precip
Ku-NesaS2147
At a soil climate station/35.6 mi away/1,102 ft/136 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Princeton 2.0 NEKS-FR-3
In a volunteer observer's own ground/1.9 mi away/958 ft/8 ft below here
precip, snowfall, snow depth
Princeton 5NEKPRK1
At a cooperative observer's station/3.5 mi away/968 ft/2 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.