Citizen station GW1775GW1775
In a volunteer observer's own ground/11.6 mi away/1,010 ft/10 ft above here
temp, humidity, wind, precip, pressure
Marble Rock, Iowa
City in Floyd County, Iowa* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Portions of north central and northeast Iowa, southeast Minnesota, and central, north central, southwest, and west central Wisconsin. * 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.
45°
52°/41°
Mostly cloudy·
Feels like 38°·Gentle breeze 13 mph WNW
Alert. A Freeze Warning is in force for Marble Rock until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Marble Rock is 45° and mostly cloudy at 2 AM. With the wind it feels like 38°. The dew point is 42°, so the air feels dry and comfortable. Gentle breeze from the west-northwest at 13 mph.
Today and tonight. It warms to about 50° by 3 PM. Tonight falls to about 31° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes.
The week. The warmest day ahead is Wednesday, near 73°, and the coolest tomorrow, near 57°. The days ahead look dry. The first freeze could come tomorrow, a low of 31°.
The sky tonight. The sun sets at 6:27 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:15 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 2 minutes long, 2 minutes shorter than yesterday.
0UV Low
38Air quality
93%Humidity
78%Cloud
Now
2:00 AM
45feels38
13mph
Today
Oct 16
5241
28%
24mph
Sat
Oct 17
5731
15mph
Sun
Oct 18
6440
17mph
Mon
Oct 19
6543
overcast
Tue
Oct 20
7044
overcast
Wed
Oct 21
7350
10%
Thu
Oct 22
7355
18%
45°
52°41°
57°31°
64°40°
65°43°
70°44°
73°50°
73°55°
As of 2:00 AM in Marble Rock, Iowa.
Air quality
The air at Marble Rock
Index 38, good, led by fine particles. Read at 1 AM from its reporting area, Waterloo (IA), 40 miles off.
38Good
- Fine particles (PM2.5)38Good-
The days ahead
Good each day through Today, led by ozone. Yesterday measured 21, good.
GoodModerate
- 21YesterdayOct 15
- 23TodayOct 16
Smoke, the next 42 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Marble Rock
0.89 in in the last 24 hours, 0.92 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.89in
- Last 3 days
- 0.92in
3 days agoLast 24 hours 97%
Visibility
How far you can see at Marble Rock, the next 42 hours
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 4 AM.
F
Now, today, and the week
On the radar over Marble Rock, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 5 instruments nearest Marble Rock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 11.6 miles away.
measured now3 instruments
Rank1,054of 1,060
Charles CityCCY
At an airfield/14.9 mi away/1,116 ft/116 ft above here
temp, wind, gust, visibility, precip, pressure
Mason City US18MSYI4
Beside a road/16.4 mi away/1,096 ft/96 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Charles CityCIYI4
At a cooperative observer's station/11.9 mi away/1,014 ft/14 ft above here
snowfall, snow depth, precip, high, low
Nora Springs 2.4 SSEIA-FL-3
In a volunteer observer's own ground/12.0 mi away/1,045 ft/45 ft above here
precip, snowfall, snow depth
Station report
The weather at Charles City, drawn
The nearest airport reporting now, 14.9 mi from Marble Rock, Iowa. From its report of Oct 16, 2026, 1:55 AM local time: 3 of its 6 sheets.
The sky
Broken at 1,900 ft; the ceiling is 1,900 ft; visibility 10 mi or more.
The air
44.6 F with a dew point of 42.8 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,900 ft.
The wind
From the west northwest (290 degrees) at 10 mph, gusting 17 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.
The full report of Charles City, 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 Charles City (CIYI4), 11.9 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 Marble Rock
The nearest places, each with its own forecast and the instruments nearest it.