Temperature
36 F at 8 PM; 51 F at its warmest, 2 PM, and 36 F at its coolest, 8 PM.
- Now
- 36F
- 8 PM
- Highest
- 51F
- 2 PM
- Lowest
- 36F
- 8 PM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Casper-Natrona County International Airport, Wyoming
Medium airport in Natrona County, Wyoming* WHAT...Sub-freezing temperatures 22 to 26 degrees expected. * WHERE...Portions of central, north central, and south central Wyoming. * WHEN...From 11 PM this evening to 9 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation, and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
36°
54°/32°
Clear·
Feels like 30°·Gentle breeze 8 mph NNE
Alert. A Freeze Warning is in force for Casper-Natrona County International Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Casper-Natrona County International Airport is 36° and clear at 9 PM. With the wind it feels like 30°. The dew point is 27°, so the air feels dry and comfortable. Gentle breeze from the north-northeast at 8 mph.
Today and tonight. Tonight falls to about 24° by 5 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 Tuesday, near 68°, and the coolest tomorrow, near 55°. The days ahead look dry. The windiest day is Saturday, with wind to 25 mph. The first freeze could come tomorrow, a low of 19°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the 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 5 minutes long, 3 minutes shorter than yesterday.
0UV Low
32Air quality
70%Humidity
0%Cloud
Now
9:00 PM
36feels30
now, clear
Today
Oct 15
5432
16mph
Fri
Oct 16
5519
17mph
Sat
Oct 17
6231
25mph
Sun
Oct 18
5936
19mph
Mon
Oct 19
6432
clear day
Tue
Oct 20
6836
mostly clear day
Wed
Oct 21
6839
mostly clear day
36°
54°32°
55°19°
62°31°
59°36°
64°32°
68°36°
68°39°
As of 9:00 PM in Casper-Natrona County International Airport, Wyoming.
Air quality
The air at Casper-Natrona County International Airport
Index 32, good, led by ozone. Read at 9 PM from its reporting area, Douglas (WY), 56 miles off.
32Good
- Ozone32Good-
- Coarse particles (PM10)6Good-
The days ahead
Yesterday measured 19, good.
GoodModerate
- 19YesterdayOct 14
Smoke, the next 46 hours
No smoke near the ground through Sat 6 PM.
Precipitation
What has fallen at Casper-Natrona County International Airport
0.33 in in the last 24 hours, 0.73 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.33in
- Last 3 days
- 0.73in
3 days agoLast 24 hours 45%
Visibility
How far you can see at Casper-Natrona County International Airport, the next 46 hours
Visibility stays 10 miles or more through Sat 6 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- CPR
- ICAO
- KCPR
- IATA
- CPR
- Field elevation
- 5,350 ft
- Serves
- Casper
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- CPR
- Wind now
- From 10° at 7 mph, read 15 Oct, 20:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 03 / 21 | 10,165 ft | 150 ft | Asphalt | 43° / 223° | 6 mph head, on 03 | 4 mph from the left |
| 17 / 35 unlit | 7,696 ft | 60 ft | Asphalt | 178° / 358° | 7 mph head, on 35 | 1 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Casper/Natrona INTL (CPR), Casper-Natrona County International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 27 F, the air 69% saturated; the humidity ran from 50% at 4 PM to 96% at 11 PM Wednesday.
- Dew point now
- 27F
- 8 PM
- Humidity now
- 69%
- Humidity, range
- 50 to 96%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
1 mph from the north northeast at 9 PM; at its strongest 16 mph, 9 AM, with a gust of 25 mph at 9 AM.
- Now
- 1mph
- from the north northeast
- Strongest
- 16mph
- 9 AM
- Highest gust
- 25mph
- 9 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.69 inHg at 9 PM, rising 0.06 inHg over 3 hours; 0.55 inHg higher than a day before.
- Now
- 30.69inHg
- 9 PM
- 3 hours
- +0.06inHg
- rising
- 24 hours
- +0.55inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 4 miles at 10 PM Wednesday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 4mi
- 10 PM Wednesday
- 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 600 ft at 12 AM; a base was reported in 19 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 600ft
- 12 AM
- Hours with a base reported
- 19
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.38 in measured in the gauge, the most, 0.13 in, in the hour to 11 PM Wednesday.
- Last 24 hours
- 0.38in
- Wettest hour
- 0.13in
- 11 PM Wednesday
- Hours with some
- 5
How it is measured: ASOS, Field Book FB-INS-002
Casper/Natrona INTL: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 5 instruments nearest Casper-Natrona County International 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
At an airfield/0.1 mi away/5,289 ft/61 ft below here
temp, wind, gust, visibility, precip, pressure
Beside a road/6.5 mi away/5,307 ft/43 ft below here
temp, pavement temp, wind, visibility, precip
Casper Mtn. SnotelCSPW4
A snow pillow on a mountain/14.0 mi away/7,900 ft/2,550 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Casper SnowCPSW4
At a cooperative observer's station/1.8 mi away/5,297 ft/53 ft below here
snowfall, snow depth, precip, high, low
Casper 9.1 WNWWY-NT-109
In a volunteer observer's own ground/2.0 mi away/5,291 ft/59 ft below here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Wyoming
20 places, each with its own forecast and its own instruments.
CaspercityCheyennecityCodycityDuboistownGillettecityGrand Targheesurveyed ski areaHogadonski areaJacksoncityJackson Holesurveyed ski areaLaramiecityMeadowlarkski areaMedicine Bow PeakfeaturePinedaletownRock SpringscitySheridancitySleeping Giantski areaSnow Kingski areaTeton RangefeatureWind River RangefeatureYellowstonefeature
Near Casper-Natrona County International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Vista Westcommunity, 3 mi
- Mountain Viewcommunity, 5 mi
- Millstown, 6 mi
- Hartrandtcommunity, 6 mi
- Bar Nunntown, 6 mi
- Homa Hillscommunity, 7 mi
- Red Buttecommunity, 7 mi
- Caspercity, 8 mi
- Evansvilletown, 10 mi
- Bessemer Bendcommunity, 11 mi
- Casper Mountaincommunity, 12 mi
- Brookhurstcommunity, 12 mi
Airports near Casper-Natrona County International Airport
- Converse County AirportDGW, 55 mi
- Rawlins Municipal Airport/Harvey FieldRWL, 85 mi
- Phifer AirfieldEAN, 98 mi
- Camp Guernsey AirportGUR, 99 mi
- Central Wyoming Regional AirportRIW, 102 mi
- Johnson County AirportBYG, 103 mi
- Shively FieldSAA, 103 mi
- Worland Municipal AirportWRL, 105 mi