Back to top
Weather Information

We suggest that you be prepared for a variety of conditions when packing supplies for the Reserve.

Weather in northeastern Montana can fluctuate dramatically from year to year and even from day to day. In recent years, significant flooding has occurred during fall months. Be vigilant about changing conditions, especially as there is limited protection from the elements, including high winds, lightning, rain, snow and hail. Roads quickly become impassible with precipitation.

The average temperature in Malta for July is 71°F, but it can often be over 100°F in the summer. We encourage you to check weather reports and try multiple towns such as Malta, Lewistown and Glasgow if you’re heading to the open prairie since no one weather station specifically covers our area.

Average temperatures for Malta:

  • Jan 11°F
  • Feb 14°F
  • Mar 27°F
  • Apr 44°F
  • May 55°F
  • Jun 63°F
  • Jul 71°F
  • Aug 68°F
  • Sep 57°F
  • Oct 46°F
  • Nov 30°F
  • Dec 17°F