Temperature
48 F at 2 AM; 60 F at its warmest, 12 PM Thursday, and 46 F at its coolest, 1 AM.
- Now
- 48F
- 2 AM
- Highest
- 60F
- 12 PM Thursday
- Lowest
- 46F
- 1 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Ames Municipal Airport, Iowa
Small airport in Story County, Iowa* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Much of central Iowa. * WHEN...From 1 AM to 9 AM CDT Saturday. * 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.
47°
52°/40°
Overcast·
Feels like 40°·Moderate breeze 17 mph WNW
Alert. A Freeze Warning is in force for Ames Municipal Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Ames Municipal Airport is 47° and overcast at 3 AM. With the wind it feels like 40°. The dew point is 40°, so the air feels dry and comfortable. Moderate breeze from the west-northwest at 17 mph, gusting to 28 mph.
Today and tonight. It warms to about 50° by 2 PM. Tonight falls to about 32° by 6 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 Wednesday, near 75°, and the coolest tomorrow, near 59°. The days ahead look dry. The first freeze could come tomorrow, a low of 30°.
The sky tonight. The sun sets at 6:32 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:22 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 5 minutes long, 2 minutes shorter than yesterday.
0UV Low
28Air quality
74%Humidity
100%Cloud
Now
3:00 AM
47feels40
17mph
Today
Oct 16
5240
22mph
Sat
Oct 17
5930
13mph
Sun
Oct 18
6638
15mph
Mon
Oct 19
6743
overcast
Tue
Oct 20
7243
overcast
Wed
Oct 21
7549
10%
Thu
Oct 22
7554
20%
47°
52°40°
59°30°
66°38°
67°43°
72°43°
75°49°
75°54°
As of 3:00 AM in Ames Municipal Airport, Iowa.
Air quality
The air at Ames Municipal Airport
Index 28, good, led by fine particles. Read at 2 AM from its reporting area, Des Moines (IA), 32 miles off.
28Good
- Fine particles (PM2.5)28Good-
- Ozone18Good-
The days ahead
Good each day through Sat Oct 17, led by fine particles. Yesterday measured 17, good.
GoodModerate
- 17YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
Smoke, the next 41 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Ames Municipal Airport
1.20 in in the last 24 hours, and none in the 2 days before, to Fri 2 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 1.20in
- Last 3 days
- 1.20in
Visibility
How far you can see at Ames Municipal Airport, the next 41 hours
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 1 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- AMW
- ICAO
- KAMW
- IATA
- AMW
- Field elevation
- 956 ft
- Serves
- Ames
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- AMW
- Wind now
- From 290° at 18 mph, read 16 Oct, 02:53
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 01 / 19 | 5,701 ft | 100 ft | Asphalt | 17° / 197° | 1 mph head, on 01 | 18 mph from the left |
| 13 / 31 | 3,491 ft | 75 ft | Asphalt | 136° / 316° | 16 mph head, on 31 | 8 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Ames (AMW), Ames Municipal Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 40 F, the air 74% saturated; the humidity ran from 71% at 9 PM Thursday to 100% at 7 AM Thursday.
- Dew point now
- 40F
- 2 AM
- Humidity now
- 74%
- Humidity, range
- 71 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
15 mph from the west northwest at 2 AM; at its strongest 18 mph, 3 PM Thursday, with a gust of 39 mph at 9 PM Thursday.
- Now
- 15mph
- from the west northwest
- Strongest
- 18mph
- 3 PM Thursday
- Highest gust
- 39mph
- 9 PM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
30.16 inHg at 2 AM, rising 0.03 inHg over 3 hours; 0.11 inHg higher than a day before.
- Now
- 30.16inHg
- 2 AM
- 3 hours
- +0.03inHg
- rising
- 24 hours
- +0.11inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 1 mile at 12 PM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 1mi
- 12 PM Thursday
- 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 300 ft at 5 AM Thursday; a base was reported in 22 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 300ft
- 5 AM Thursday
- Hours with a base reported
- 22
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
1.33 in measured in the gauge, the most, 0.27 in, in the hour to 1 PM Thursday.
- Last 24 hours
- 1.33in
- Wettest hour
- 0.27in
- 1 PM Thursday
- Hours with some
- 14
How it is measured: ASOS, Field Book FB-INS-002
Ames: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 7 instruments nearest Ames 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 now5 instruments
AmesAMW
At an airfield/0.2 mi away/919 ft/37 ft below here
temp, wind, gust, visibility, precip, pressure
Ames (I-35)RAMI4
Beside a road/3.9 mi away/1,027 ft/71 ft above here
temp, pavement temp, wind, visibility, precip
AmesS2031
At a soil climate station/5.1 mi away/1,073 ft/117 ft above here
temp, humidity, soil temp, soil moisture
Ames ScanAMMI4
At a river or reservoir gauge/6.0 mi away/1,073 ft/117 ft above here
temp, wind, gust, humidity, pressure
Des Moines 17 E54902
At a climate reference station/34.7 mi away/903 ft/53 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Ames 0.8 ENEIA-SR-39
In a volunteer observer's own ground/2.5 mi away/929 ft/27 ft below here
precip, snowfall, snow depth
Ames 5 SEAESI4
At a cooperative observer's station/3.7 mi away/863 ft/93 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Ames Municipal Airport
The nearest places, each with its own forecast and the instruments nearest it.
Airports near Ames Municipal Airport
- Boone Municipal AirportBNW, 12 mi
- Ankeny Regional AirportIKV, 21 mi
- Perry Municipal AirportPRO, 30 mi
- Des Moines International AirportDSM, 32 mi
- Webster City Municipal AirportEBS, 33 mi
- Marshalltown Municipal AirportMIW, 37 mi
- Iowa Falls Municipal AirportIFA, 38 mi
- Newton Municipal AirportTNU, 38 mi