Beside a road/7.5 mi away/1,391 ft/67 ft below here
temp, pavement temp, wind, visibility, precip
Weather/South Dakota/Marty
Alert. A Wind Advisory is in force for Marty until 4 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. Marty is 45° and partly cloudy at 10 PM. With the wind it feels like 37°. The dew point is 36°, so the air feels dry and comfortable. Fresh breeze from the northwest at 20 mph, gusting to 35 mph.
Today and tonight. Tonight falls to about 40° 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 25 mph. Frost is possible Saturday morning, a low of 33°.
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 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, 3 minutes shorter than yesterday.
As of 10:00 PM in Marty, South Dakota.
Air quality
Index 24, good, led by ozone. Read at 10 PM from its reporting area, Santee Sioux Reservation (NE), 32 miles off.
Yesterday measured 15, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.18 in in the last 24 hours, 0.23 in over the last 3 days, to Thu 9 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 Marty, South DakotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 5 instruments nearest Marty, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.1 miles away.
measured now3 instruments
Beside a road/7.5 mi away/1,391 ft/67 ft below here
temp, pavement temp, wind, visibility, precip
WagnerAGZ
At an airfield/8.3 mi away/1,467 ft/9 ft above here
temp, wind, gust, visibility, precip, pressure
Fort Randall DamFRDS2
At a dam/9.4 mi away/1,342 ft/116 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Lake Andes 10.2 SSESD-CM-10
In a volunteer observer's own ground/2.1 mi away/1,636 ft/178 ft above here
precip, snowfall, snow depth
Pickstown 4SSWPCKS2
At a cooperative observer's station/6.3 mi away/1,712 ft/254 ft above here
snowfall, snow depth, precip, high, low
Station report
The nearest airport reporting now, 8.3 mi from Marty, South Dakota. From its report of Oct 15, 2026, 10:15 PM local time: 3 of its 6 sheets.
Broken at 4,100 ft, broken at 5,000 ft, overcast at 5,500 ft; the ceiling is 4,100 ft; visibility 10 mi or more.
46.4 F with a dew point of 35.6 F, 66 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 4,100 ft.
From the northwest (310 degrees) at 18 mph, gusting 24 mph: force 4, a moderate 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.