CantrilRCLI4
Beside a road/7.3 mi away/693 ft/8 ft above here
temp, pavement temp, wind, visibility, precip
Mount Sterling, Iowa
Community in Van Buren County, Iowa* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of north central, northwest, and west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From 1 AM to 9 AM CDT Saturday. * 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.
47°
54°/45°
Mostly clear·
Feels like 44°·Light breeze 7 mph WNW
Alert. A Frost Advisory is in force for Mount Sterling until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Mount Sterling is 47° and mostly clear at 4 AM. With the wind it feels like 44°. The dew point is 43°, so the air feels dry and comfortable. Light breeze from the west-northwest at 7 mph, gusting to 20 mph.
Today and tonight. It warms to about 54° by 5 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 59°. The days ahead look dry. Frost is possible tomorrow morning, a low of 34°.
The sky tonight. The sun sets at 6:26 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:21 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, 2 minutes shorter than yesterday.
0UV Low
18Air quality
86%Humidity
19%Cloud
Now
4:00 AM
47feels44
now, mostly clear
Today
Oct 16
5445
18%
13mph
Sat
Oct 17
5934
clear day
Sun
Oct 18
6637
clear day
Mon
Oct 19
6941
overcast
Tue
Oct 20
7146
overcast
Wed
Oct 21
7449
overcast
Thu
Oct 22
7554
overcast
47°
54°45°
59°34°
66°37°
69°41°
71°46°
74°49°
75°54°
As of 4:00 AM in Mount Sterling, Iowa.
Air quality
The air at Mount Sterling
Index 18, good, led by fine particles. Read at 3 AM from its reporting area, Lake Sugema (IA), 6 miles off.
18Good
- Fine particles (PM2.5)18Good6.4 mi
- Ozone17Good21 ppb6.4 mi
- Nitrogen dioxide0Good0.7 ppb6.4 mi
- Sulfur dioxide0Good0 ppb6.4 mi
The days ahead
Good each day through Today, led by fine particles. Yesterday measured 28, good.
GoodModerate
- 28YesterdayOct 15
- 29TodayOct 16
Smoke, the next 40 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Mount Sterling
0.20 in in the last 24 hours, 0.29 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.20in
- Last 3 days
- 0.29in
3 days agoLast 24 hours 69%
Visibility
How far you can see at Mount Sterling, the next 40 hours
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 8 AM.
F
Now, today, and the week
On the radar over Mount Sterling, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Mount Sterling, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.7 miles away.
measured now4 instruments
Rank851of 1,060
Farmington 1ENE - Shimek State Forest RAWSFRMI4
A remote fire weather station/11.1 mi away/741 ft/56 ft above here
temp, wind, gust, humidity, pressure
Citizen station GW2804GW2804
In a volunteer observer's own ground/27.1 mi away/751 ft/66 ft above here
temp, humidity, wind, precip, pressure
Keokuk MuniEOK
At an airfield/28.7 mi away/671 ft/14 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Farmington 3.5 WIA-VB-3
In a volunteer observer's own ground/6.7 mi away/661 ft/24 ft below here
precip, snowfall, snow depth
KeosauquaKEQI4
At a cooperative observer's station/7.3 mi away/541 ft/144 ft below here
snowfall, snow depth, precip, high, low
Station report
The weather at Keokuk Muni, drawn
The nearest airport reporting now, 28.7 mi from Mount Sterling, Iowa. From its report of Oct 16, 2026, 3:35 AM local time: 3 of its 6 sheets.
The sky
No cloud reported; visibility 10 mi or more.
The air
48.2 F with a dew point of 41.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up.
The wind
From the west northwest (290 degrees) at 10 mph, gusting 16 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 32 mph.
The full report of Keokuk Muni, in 6 sheets, each beside the Field Book plates that explain it
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Keosauqua (KEQI4), 7.3 miles from here, read 15 Oct, 07:00. measured daily
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Mount Sterling
The nearest places, each with its own forecast and the instruments nearest it.
- Cantrilcity, 7 mi
- Keosauquacity, 8 mi
- Bonapartecity, 9 mi
- Farmingtoncity, 10 mi
- Miltoncity, 13 mi
- Leandocommunity, 16 mi
- Stockportcity, 17 mi
- Doudscommunity, 17 mi
- Birminghamcity, 18 mi
- Pulaskicity, 19 mi
- Hillsborocity, 19 mi
- Donnellsoncity, 19 mi