Heat in Upper Snake River Plain, Idaho

Heat March 1, 2026 – March 31, 2026 · Upper Snake River Plain, Idaho

What the National Weather Service wrote

March 2026 was the warmest ever occurring at the Idaho Falls ASOS site at the Idaho Falls Airport. The average monthly temperature of 45.6 degrees was over 2 degrees warmer than the previous all time record of 42.9 degrees set in 1986. The all time warmest temperature of 78 degrees for the month occurred on the 20th.

The wider storm

March was the warmest on record for 5 ASOS sites in the Pocatello forecast area and included Pocatello, Idaho Falls, Burley, Challis and Stanley.

Source: NOAA Storm Events Database, event 1329922. Narratives are written by the National Weather Service forecast office that issued the report.

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