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Weather in Blackfoot, MT · National Weather Service + NOAA

Blackfoot stays cool in summer

Blackfoot has cold winters and pleasant summers, with very little rain. A typical July afternoon reaches 78°, a January night drops to 13°. Normal November highs come to 39°, and lows to 21°.

Winter 32°/13°Spring 50°/28°Summer 74°/46°Fall 53°/30°
Right now
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Sunrise 9:19 am · sunset 7:10 pm

Getting the latest forecast from the National Weather Service…

What stands out about Blackfoot’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Cool summersJuly afternoons average 78°, cooler than 96% of U.S. towns.A dry climateJust 14 inches of rain and melted snow a year, less than 95% of U.S. towns.A long heating seasonMore heating degree days than 91% of U.S. towns.
A normal year

Where today sits in Blackfoot’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
32° / 13°
Snow is rare
Spring
50° / 28°
Last frost around May 24
Summer
74° / 46°
9 days reach 90° in a normal year
Fall now
53° / 30°
First frost around Sep 15
Pastthe usual first frost (Sep 15). Last frost next spring: May 24
Best months to be outside
JunJulAug
Highs of 62–84° and lows of 40° or more
When is it wettest?June, with 2.8 inches.Is it warmer than it used to be?+1.8° vs. the 20th century.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

Road reports, first frosts and storm memories from neighbors in Blackfoot.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Blackfoot itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Cut Bank Municipal Airport, MT (23 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.