Delmont, SD Live Doppler Radar

Live radar for Delmont, Douglas County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Delmont?

Since 1996, the National Weather Service has logged heavy snow or a winter storm on 53 days in the Douglas forecast zone and Douglas County — the most common reported hazard around Delmont, mostly in December and February. Next come damaging thunderstorm winds (43 days) and high winds (39 days).

HazardDays reportedMost recentWorst on record
Heavy snow & winter storms53Feb 2025Apr 9, 2013 · $10 million damage
Damaging thunderstorm winds43Jun 2026Jun 20, 1997 · $1.0 million damage
High winds39Mar 2026Feb 10, 1996 · $50,000 damage
Blizzards34Mar 2026Nov 28, 2005 · 1 death · $100,000 damage
Extreme cold & wind chill28Dec 2025—
Excessive heat24Jul 2025Jul 15, 2011 · $25,000 damage
Flash flooding12Jul 2020Sep 10, 2019 · $100,000 damage
Flooding7Jun 2024Jun 1, 2019 · $27 million damage

Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Douglas forecast zone and Douglas County; damage is as reported, not adjusted for inflation.

How much snow does Delmont get?

A normal year brings about 34 inches of snow to Delmont, based on NOAA's 1991–2020 climate normals for the Armour weather station 10.1 miles away. The snowiest month is usually March (6.3 in).

OctNovDecJanFebMarAprMay
1.26.15.16.15.56.34.10.0

Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.

Which radars cover Delmont?

The closest NEXRAD Doppler radar is KFSD (Sioux Falls, SD), about 75 miles east-northeast. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.

RadarDistanceLowest beam over DelmontView
KFSD
Sioux Falls, SD
75 mi east-northeast6,300 ftFair — the beam can pass over shallow snow and low-level rotation
KABR
Aberdeen, SD
152 mi north18,500 ftLimited — the beam overshoots the lowest part of storms
KLNX
North Platte, NE
153 mi southwest18,700 ftLimited — the beam overshoots the lowest part of storms

Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.

Tornado & hail history near Delmont

Since 1950, NOAA has recorded 95 tornadoes within 25 miles of Delmont, 13 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F3 on May 14, 1962, which passed about 14 miles northwest of town. The most recent was a tornado of unknown strength on July 31, 2024, which touched down about 14 miles east-southeast of town.

Hail: 334 reports of 1-inch or larger hail within 25 miles since 1955, 58 of them 2 inches or more; the largest was 6.88-inch hail on August 21, 2007.

Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.

On TALON you get Delmont's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.

Delmont radar FAQ

Where is the nearest weather radar to Delmont, SD?

KFSD (Sioux Falls, SD), about 75 miles east-northeast. KABR (Aberdeen, SD) is 152 miles away and also covers the area.

Does radar show snow in Delmont?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Delmont the lowest scan from KFSD is about 6,300 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.

Is TALON's radar for Delmont free?

Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.

Should I rely on radar for my safety?

No app replaces official warnings. When the National Weather Service issues a warning for Delmont, follow it right away — see watch vs. warning.

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