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Fossil Butte National MonumentFossil Butte
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Fossil Butte National Monument
Weather
 
thunderstorm
NPS photo
 

Expect a variety of weather conditions no matter what time of year you visit. Local weather conditions and extended forecasts are available on the National Weather Service's (NOAA) web page.

Warm days (70–90 degrees F) and moderate evenings (30–50 degrees F) are the norm for summer months. Most evenings require a light jacket. Light frosts are common on summer nights. Yes, it can snow in July.

Spring, fall and winter can be very cold; expect snow and winter conditions.

Thanks to the wind, blue skies are common at Fossil Butte National Monument.
Weather Information
Weather plays a major role in the enjoyment of any visit. Get the latest weather forecast
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Research on fossil leaves like this one will provide information about the climate 50 million years ago.
Road Report
Winter driving conditions can be hazardous. Check the area road report.
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Snow begins to accumulate in November. 10-12 foot snow drifts cover the upper road from December through April.
Road Closures
Visiting September through May? Winter conditions limit driving opportunites.
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wintering mule deer  

Did You Know?
Southwest Wyoming's sagebrush country provides crucial winter range for mule deer, elk, and moose. Moose prefer the willow bottoms near springs, creeks, and rivers.

Last Updated: July 25, 2006 at 00:23 EST