Sd RWIS CorsicaSD601
Beside a road/5.4 mi away/1,565 ft/36 ft above here
temp, pavement temp, wind, visibility, precip
Weather/South Dakota/Armour
Alert. A Wind Advisory is in force for Armour until 12 AM tomorrow. Read the alert in full, and see what it means in the Field Book. Tomorrow is 10 degrees cooler: a high of 50° after 60° today.
Now. Armour is 45° and partly cloudy at 11 PM. With the wind it feels like 36°. The dew point is 37°, so the air feels dry and comfortable. Fresh breeze from the northwest at 25 mph, gusting to 37 mph.
Today and tonight. Tonight falls to about 39° by 8 AM, under a mostly clear sky. 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 50°. The days ahead look dry. The windiest day is tomorrow, with wind to 26 mph. Frost is possible Saturday morning, a low of 34°.
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 south-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.
As of 11:00 PM in Armour, South Dakota.
Air quality
Index 27, good, led by ozone. Read at 10 PM from its reporting area, Santee Sioux Reservation (NE), 42 miles off.
Yesterday measured 15, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.22 in in the last 24 hours, 0.23 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 7 PM.
F
Now, today, and the week
On the radar over Armour, South DakotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 6 instruments nearest Armour, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.5 miles away.
measured now4 instruments
Sd RWIS CorsicaSD601
Beside a road/5.4 mi away/1,565 ft/36 ft above here
temp, pavement temp, wind, visibility, precip
WagnerAGZ
At an airfield/17.9 mi away/1,467 ft/62 ft below here
temp, wind, gust, visibility, precip, pressure
Lake Andes RAWSRLAS2
A remote fire weather station/21.1 mi away/1,709 ft/180 ft above here
temp, wind, gust, humidity, pressure
Citizen station GW4826GW4826
In a volunteer observer's own ground/29.8 mi away/1,336 ft/193 ft below here
temp, humidity, wind, precip, pressure
measured daily2 instruments
Armour 4.6 WSD-DG-2
In a volunteer observer's own ground/4.5 mi away/1,565 ft/36 ft above here
precip, snowfall, snow depth
Pickstown 4SSWPCKS2
At a cooperative observer's station/23.5 mi away/1,712 ft/183 ft above here
snowfall, snow depth, precip, high, low
Station report
The nearest airport reporting now, 17.9 mi from Armour, South Dakota. From its report of Oct 15, 2026, 10:35 PM local time: 3 of its 6 sheets.
Overcast at 4,100 ft; the ceiling is 4,100 ft; visibility 10 mi or more.
48.2 F with a dew point of 35.6 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 4,100 ft.
From the northwest (320 degrees) at 26 mph, gusting 38 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 40 mph.
The full report of Wagner, in 6 sheets, each beside the Field Book plates that explain it
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Snow on the ground
24 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.