Snow in Idaho Falls, Idaho Winter storm alerts · 7-day snow forecast · average snowfall
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Idaho Falls averages 14.7 inches of snow a year. The snowiest month is January (6.0″), and snow usually falls from October through April. On about 7 days a year at least an inch falls.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
September
0″
0
—
3
41°F
October
0.8″
<1
—
17
31°F
November
1.4″
1
—
27
22°F
December
3.3″
2
—
30
13°F
January
6.0″
2
—
30
12°F
February
2.2″
2
—
26
16°F
March
0.3″
<1
—
25
25°F
April
0.7″
<1
—
17
31°F
May
0″
0
—
6
38°F
June
0″
0
—
1
45°F
Year
14.7″
7
—
182
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Blackfoot Fire Dept (25 mi from the city center, -210 ft elevation difference); temperatures at Idaho Falls Fanning Fld. Averages smooth out big years: single winters can bring half or double the normal.
14.7 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Blackfoot Fire Dept station, 25 miles away). The snowiest month is January with 6.0 inches.
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This page checks the National Weather Service for active alerts at Idaho Falls's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
How many freezing nights does Idaho Falls have?
About 182 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 12 °F.