Marshalltown (US 30)RMTI4
Beside a road/3.6 mi away/955 ft/67 ft above here
temp, pavement temp, wind, visibility, precip
Marshalltown, Iowa
City in Marshall County, Iowa* WHAT...Sub-freezing temperatures as low as 29-32 expected and widespread frost. * WHERE...Portions of central, north central, northeast, northwest, south central, southeast, southwest, and west central Iowa. * WHEN...Until 9 AM CDT this morning. * 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.
33°
61°/31°
Clear·
Feels like 33°·Light air 2 mph SSW
Alert. A Freeze Warning is in force for Marshalltown until 9 AM today. Read the alert in full, and see what it means in the Field Book.
Now. Marshalltown is 33° and clear at 6 AM. The dew point is 31°, so the air feels dry and comfortable. Light air from the south-southwest at 2 mph.
Today and tonight. It warms to about 61° by 4 PM. Tonight falls to about 41° by 6 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 76°, and the coolest tomorrow, near 66°. The days ahead look dry.
The sky tonight. The sun sets at 6:27 PM. The Moon is a waxing crescent, 42% lit, and sets at 11:19 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, 3 minutes shorter than yesterday.
0UV Low
44Air quality
96%Humidity
1%Cloud
Now
6:00 AM
33feels33
now, clear
Today
Oct 17
6131
15mph
Sun
Oct 18
6639
17mph
Mon
Oct 19
6741
mostly clear day
Tue
Oct 20
7044
overcast
Wed
Oct 21
7349
overcast
Thu
Oct 22
7652
overcast
Fri
Oct 23
7653
overcast
33°
61°31°
66°39°
67°41°
70°44°
73°49°
76°52°
76°53°
As of 6:00 AM in Marshalltown, Iowa.
Air quality
The air at Marshalltown
Index 44, good, led by fine particles. Read at 6 AM from its reporting area, Waterloo (IA), 41 miles off.
44Good
- Fine particles (PM2.5)44Good-
The days ahead
Good each day through Today, led by ozone. Yesterday measured 27, good.
GoodModerate
- 27YesterdayOct 16
- 28TodayOct 17
Smoke, the next 44 hours
No smoke near the ground through Mon 1 AM.
Precipitation
What has fallen at Marshalltown
0.06 in in the last 24 hours, 0.88 in over the last 3 days, to Sat 5 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.06in
- Last 3 days
- 0.88in
3 days agoLast 24 hours 7%
Visibility
How far you can see at Marshalltown, the next 44 hours
Visibility stays 9 miles or more through Mon 1 AM, lowest 9 miles Sat 8 AM.
F
Now, today, and the week
On the radar over Marshalltown, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 7 instruments nearest Marshalltown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.
measured now5 instruments
Rank1,036of 1,055
MarshalltownMIW
At an airfield/4.6 mi away/974 ft/86 ft above here
temp, wind, gust, visibility, precip, pressure
Citizen station CW8097CW8097
In a volunteer observer's own ground/5.3 mi away/1,012 ft/124 ft above here
temp, humidity, wind, precip, pressure
Prairie City 3SW - Neal Smith RAWSNSWI4
A remote fire weather station/37.4 mi away/892 ft/4 ft above here
temp, wind, gust, humidity, pressure
Des Moines 17 E54902
At a climate reference station/38.7 mi away/903 ft/15 ft above here
temp, humidity, wind, solar, precip
measured daily2 instruments
Marshalltown 0.2 WSWIA-MS-7
In a volunteer observer's own ground/0.6 mi away/909 ft/21 ft above here
precip, snowfall, snow depth
MarshalltownMSHI4
At a cooperative observer's station/1.8 mi away/899 ft/11 ft above here
snowfall, snow depth, precip, high, low
Station report
The weather at Marshalltown, drawn
The nearest airport reporting now, 4.6 mi from Marshalltown, Iowa. From its report of Oct 17, 2026, 5:53 AM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
32.0 F with a dew point of 31.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.
The wind
From the southwest (220 degrees) at 3 mph: force 1, a light air on the Beaufort scale.
The full report of Marshalltown, in 6 sheets, each beside the Field Book plates that explain it
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 Marshalltown
The nearest places, each with its own forecast and the instruments nearest it.