March 21, 2025 Friday Weather Update
Next storm system cranks up Sunday across the Upper Midwest
March 2025 was the 7th-warmest March in the 132-year national record (1895–2026), at 46.8°F against a 1991–2020 normal of 43.6°F (+3.3°F).
March 2025 was the 57th-driest March in the 132-year national record (1895–2026), at 2.4in against a 1991–2020 normal of 2.5in (-0.1in).
NOAA/NCEI Climate at a Glance, contiguous United States. This is the observed record for the month, not a score of anything said in this piece — the forecast ledger begins 2026-08-17 and cannot reach earlier posts.
Hope everyone had a pleasant week. Some NOAA news came across the wire: a handful of WFOs may not launch radiosondes (weather balloons) on a regular basis. Some thoughts …
Radiosondes (balloons) form the backbone of the global observing system because they are consistent and high-quality observations of the atmosphere up to 100K feet that are not provided directly by other sources like satellites or planes.
The rest of this piece is for paid subscribers of Weather Trader. The Post keeps the archive, the index and the record; the writing itself stays behind the same subscription it was published under.
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