Low stream flow conditions and related high temperatures clearly effect fish habitat and fish health. Under sever conditions FWP may restrict or curtail sport fishing when necessary to protect a species or population.
Hunting and recreational activities may be limited during drought conditions due to fire danger. Check for any restrictions or closures on FWP lands before heading out:
Wildland fires can destroy hundreds, sometimes thousands, of acres of habitat and displace wildlife. Late season fires may also affect hunting season dates, hunting opportunities and the condition of winter range for deer, elk and other species. When wildland fires break out, check here for information on how they may be affecting Montana's wildlife.
Montana is a generally arid state. In mid and late summer, some locations may experience drought and be ripe for wildland fires. Before planning your weekend or taking a vacation, you can check here to see if there are any drought- or fire-related restrictions in place on rivers or streams or at FWP Lands (State Parks, Fishing Access Sites, and Wildlife Management Areas).
It is a hunter's responsibility to know and abide by land closures and restrictions. The links below provide some of the information a hunter will need. Information on the use of Block Management lands during this extreme weather are available by calling the nearest FWP Regional Office.
When water levels drop and stream temperatures rise, FWP may restrict fishing to protect the State's sport fisheries. Low water and high temperatures cause fish to seek deep pools, making them more vulnerable to predators, disease, and to anglers. Check the conditions on your favorite fishing streams before you go:
Fish will feel the stress caused by low flows, higher water temperatures and competition for space and food. Low water conditions in spring and fall can cause spawning failures and increased predation on young fish. Also, fish will "group up" to take advantage of pools where the water is deeper and cooler -- making them more vulnerable to anglers and predators. If conditions worsen, fish are lost to stress from the higher water temperature, lower oxygen levels, and reduced resistance to disease. These threats can impact adult trout numbers in future years.
To help preserve a threatened fishery anglers can:
Anglers who practice catch-and-release fishing can minimize the stress they place on fish:
On streams experiencing extreme drought conditions and high water temperatures, anglers may want to avoid catch and release fishing as it is difficult for trout to recover under these conditions.
Thousands of trout that have migrated from low-water streams into irrigation ditches can be saved if water diversions are gradually reduced at the end of each irrigation period, according to Montana Fish, Wildlife & Parks fisheries staff.
Irrigators can save trout with a three-day water-reduction plan. Three days before irrigators plan to close off their diversions, they should cut the water flow in half. Then, within the next 24 to 48 hours, cut the flow in half again. The following day the diversion can be completely shutdown.
The gradual water reduction triggers an upstream movement that causes trout to move out of the ditch and back to the main stream or river channel. Concern for the state's fish populations is heightened by the continuing drought conditions.
FWP manages rivers for wild, naturally reproducing trout, so it is important to maintain enough fish in a stream that they are able to naturally reproduce and preserve the genetic integrity of that fish population when conditions improve.
For more information—or to obtain the brochure "Methods to Reduce Trout Losses in Irrigation Diversions"—irrigators can contact their nearest FWP office or local conservation district office.
Montana Fish,Wildlife & Parks continuously monitors drought conditions and how they may be impacting the state's fisheries. To review these detailed reports throughout the fishing season, please check the links below.
The Governor's Drought Advisory Committee was established by an act of the Montana State Legislature, MCA Sec. 2-15-3308 Drought advisory committee, in 1991 following the drought years of the late 1980s, including the highly publicized Yellowstone National Park wildfire year of 1988. State voting member agencies include the Governor's Office, DNRC, DEQ, FWP, Agriculture, Livestock, Commerce, and Disaster Services. Federal reporting partners include the Bureau of Reclamation, U.S. Geological Survey, Natural Resource Conservation Service, Agricultural Statistics Service, and the National Weather Service. Other reporters include the multi-agency Northern Rockies Coordination Center for fire conditions, Montana Tech's Groundwater Information Center, Montana Climate Office, USDA Farm Service Agency, U.S. Congressional delegation representatives, U.S. Small Business Administration, Rural Development, and Montana State University Extension Service. Learn More