Idaho Water Alerts — 1 Active Issue

Data source: NWS, EPA SDWIS Last verified: 2026-04-30

1 active water-related issue in Idaho. Last updated: 2026-04-30.

Weather & Safety Alerts (1)

Active alerts from the National Weather Service that may affect water safety:

Freeze Warning — Moderate

Areas: Arco/Mud Lake Desert; Upper Snake River Plain; Lower Snake River Plain

Freeze Warning issued April 29 at 8:56AM MDT until April 30 at 9:00AM MDT by NWS Pocatello ID

Expires: April 30, 2026

High-Risk Areas (Forecast)

ZIP codes in Idaho with the highest probability of future violations:

ZIP	City	2-Year Probability	Trend
83201	Pocatello	95%	increasing
83202	Pocatello	95%	increasing
83204	Pocatello	95%	increasing
83205	Pocatello	95%	increasing
83206	Pocatello	95%	increasing
83209	Pocatello	95%	increasing
83211	American Falls	95%	increasing
83213	Arco	95%	declining
83214	Arimo	95%	increasing
83215	Atomic City	95%	declining

Sources

• Weather alerts: National Weather Service
• Violations & enforcement: EPA SDWIS
• Compliance forecasts: ZipCheckup analysis

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