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Weather in Fallon, MT · National Weather Service + NOAA

Fallon gets less snow than most of Montana

Fallon has cold winters and warm summers, with very little rain. A typical July afternoon reaches 88°, a January night drops to 6°, and about 12 inches of snow falls in a normal winter. Normal November highs come to 44°, and lows to 19°.

Winter 32°/9°Spring 58°/31°Summer 85°/54°Fall 60°/32°
Right now
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Sunrise 8:47 am · sunset 6:40 pm

Getting the latest forecast from the National Weather Service…

What stands out about Fallon’s weather

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

Climate →
Less snow than most of MontanaAbout 12 inches a winter, less than 395 of 404 Montana towns.Warmer summers than most of MontanaJuly afternoons average 88°, warmer than 479 of 497 Montana towns.A dry climateJust 13 inches of rain and melted snow a year, less than 95% of U.S. towns.
A normal year

Where today sits in Fallon’s year

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

Full climate →
Winter
32° / 9°
5 days with an inch or more of snow
Spring
58° / 31°
Last frost around May 12
Summer
85° / 54°
39 days reach 90° in a normal year
Fall now
60° / 32°
First frost around Sep 28
Pastthe usual first frost (Sep 28). Last frost next spring: May 12
Best months to be outside
MayJunSep
Highs of 62–84° and lows of 40° or more
How much snow does Fallon get?About 12 inches a winter.When is it wettest?May, with 2.5 inches.Is it warmer than it used to be?+1.2° vs. the 20th century.

Weather talk

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

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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 Fallon itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Terry, MT (9 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.