textproduct: Des Moines
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Light to moderate snowfall moves into central Iowa this morning, with embedded areas of heavier rates possible. Amounts generally around 1 to 2 inches expected, with locally higher values near 3 to 4 inches possible.
- Very cold temperatures tonight into Sunday morning, with wind chills as low as -20F to -30F.
- Warming trend through the beginning of the work week.
AVIATION /06Z TAFS THROUGH 06Z SUNDAY/
Issued at 1042 PM CST Fri Dec 12 2025
Ceilings are expected to lower from northwest to southeast through the morning as the next system arrives into Iowa. This will bring light to moderate snow across the state through the morning, peaking between sunrise through 18z across the majority of terminals, and less so at KMCW, before gradually tapering off through the afternoon. MVFR/IFR conditions are expected during this time due to the lowered ceilings as well as for reduced vsbys from the snow. Exact timing and impacts are expected to be tweaked further over the next several hours as the event unfolds. Otherwise, winds gusting up to 15 knots into the afternoon could blow some of this fresh snow around at times leading to possible lingering restrictions.
AVIATION /12Z TAFS THROUGH 12Z SUNDAY/
Issued at 526 AM CST Sat Dec 13 2025
Ongoing snowfall will be the primary impact to TAF sites this morning, primarily at KFOD, KDSM, KALO, and KOTM, although KMCW could see occasional snow. Visibilities at or below 1SM are expected with the heavier pockets of snowfall. Likewise, ceilings under 1000ft are possible with the heaviest snow. These conditions will persist through the morning, before diminishing into the afternoon and evening. Light to breezy winds with VFR conditions the develop overnight tonight.
DMX WATCHES/WARNINGS/ADVISORIES
Cold Weather Advisory from 6 PM this evening to 10 AM CST Sunday for IAZ004>007-015>017-023>028-033>039-045>050-059>062- 073>075-084>086-095>097. Winter Weather Advisory until 3 PM CST this afternoon for IAZ023-033>036-044>049-058>062-073>075-085-086-097.
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