Montana
West Nile virus detected in four eastern Montana counties
West Nile virus has been detected in four eastern Montana counties: Blaine, Dawson, Prairie and Wibaux, the Montana Department of Public Health and Human Services reported Monday.
Six mosquito pools in the four counties tested positive for the virus, which the health department says is an early indicator that activity is increasing within the state.
Historically, Montana identifies the first human and/or horse WNV cases of the year within about two weeks of detecting WNV in mosquitoes.
Infections can occur in humans after a bite from an infected Culex mosquito. Increased risk of transmission to humans is expected to continue through October – or as long as mosquitoes are active in the state.
Most people who become infected with WNV will not experience symptoms, but 1 in 5 experience minor illness causing headache, rash, body aches, joint pains, fatigue, vomiting, and diarrhea. Fatigue and body aches may persist for weeks following infection.
About 1 in 150 human infections result in severe disease, referred to as neuroinvasive West Nile. Neuroinvasive West Nile can cause neurological symptoms including disorientation, stupor, coma, paralysis, vision loss, and convulsions. WNV can be fatal or lead to long-term neurological complications such as paralysis.
Currently, there is no vaccine or targeted medication for WNV in humans, aside from supportive care.
Horses can also be infected with WNV. Horse owners may contact their veterinarian to obtain an annual vaccine to protect against WNV.
To keep mosquitoes away from homes, it’s important to regularly empty standing water at least once per week. For items such as rain barrels, a screen can be applied to the opening to restrict mosquito access. Check out the 4 Ds of mosquito bite prevention below for other mosquito bite prevention tips.
The 4 Ds of Mosquito Bite Prevention:
- DEET: Use insect repellent containing effective ingredients such as DEET or picaridin. To verify the effectiveness of insect repellent, go to the EPA’s website: https://www.epa.gov/insect-repellents [links-2.govdelivery.com]
- Drain: Drain standing water around the house to prevent mosquito breeding.
- Dawn/Dusk: Mosquitoes are most active during dawn and dusk. Stay inside or take extra precautions to prevent mosquito bites during these times. If doors or windows are left open in the summer, make sure they’re fitted with a screen to keep mosquitos out of the house.
- Dress: When possible, wear long-sleeved shirts and pants to protect against bites.
The Montana Lottery offers multiple draw games for those aiming to win big.
Here’s a look at May 13, 2026, results for each game:
Winning Powerball numbers from May 13 drawing
22-31-52-56-67, Powerball: 15, Power Play: 2
Check Powerball payouts and previous drawings here.
Winning Lotto America numbers from May 13 drawing
17-18-28-37-42, Star Ball: 04, ASB: 02
Check Lotto America payouts and previous drawings here.
Winning Big Sky Bonus numbers from May 13 drawing
02-06-10-16, Bonus: 16
Check Big Sky Bonus payouts and previous drawings here.
Winning Powerball Double Play numbers from May 13 drawing
08-13-39-63-66, Powerball: 02
Check Powerball Double Play payouts and previous drawings here.
Winning Montana Cash numbers from May 13 drawing
02-04-13-17-32
Check Montana Cash payouts and previous drawings here.
Winning Millionaire for Life numbers from May 13 drawing
21-24-29-42-49, Bonus: 01
Check Millionaire for Life payouts and previous drawings here.
Feeling lucky? Explore the latest lottery news & results
When are the Montana Lottery drawings held?
- Powerball: 8:59 p.m. MT on Monday, Wednesday, and Saturday.
- Mega Millions: 9 p.m. MT on Tuesday and Friday.
- Lucky For Life: 8:38 p.m. MT daily.
- Lotto America: 9 p.m. MT on Monday, Wednesday and Saturday.
- Big Sky Bonus: 7:30 p.m. MT daily.
- Powerball Double Play: 8:59 p.m. MT on Monday, Wednesday, and Saturday.
- Montana Cash: 8 p.m. MT on Wednesday and Saturday.
- Millionaire for Life: 9:15 p.m. MT daily.
Missed a draw? Peek at the past week’s winning numbers.
This results page was generated automatically using information from TinBu and a template written and reviewed by a Great Falls Tribune editor. You can send feedback using this form.
Montana
Public Meeting at Hub on Smith Concerning Montana Water Call Prompting Priority Administration in Tongue Basin
Wyoming State Engineer Brandon Gebhart announced that on May 5, 2026, the State of Montana placed a call under Article V(A) of the Yellowstone River Compact to fill Tongue River Reservoir in Montana. As a result, priority administration is in effect on post-1950 water rights in Wyoming that divert water from the Tongue River and its tributaries and are not excluded from the compact.
A public meeting will be held from 5:30 to 6:30 p.m. Monday, May 18, in the dining room of The Hub on Smith. Attendees are asked to enter on the north side of the building.
The Tongue River Basin has been experiencing drought conditions over the past year with historically low winter snowpack and streamflow conditions. According to the release, those conditions led to Montana’s interstate call and prompted the administration of the Tongue River Basin in Wyoming.
The priority administration will affect post-1950 water rights within the Tongue River Basin, including reservoir storage, stream diversions and groundwater withdrawals, all of which affect river flows. Post-1950 water rights will be regulated off or prevented from turning on. Wyoming hydrographer-commissioners will continue to administer reservoir storage and post-1950 diversions throughout the spring and work with affected water users until the administration is lifted.
As provided in the compact, domestic uses less than one-half acre in area and livestock uses, including stock reservoirs less than 20 acre-feet in capacity, are excluded from this administration. The release noted these excluded rights could be subject to future regulation to satisfy priority calls by senior Wyoming water rights.
Beginning May 5, 2026, Wyoming hydrographer-commissioners have worked to record the current storage levels of reservoirs with post-1950 water rights. Going forward, those reservoirs can continue to accrue storage so long as post-1950 storage gained after the interstate call on May 5 remains in storage until either the water is released to satisfy the Montana call or Montana lifts the call because Tongue River Reservoir will fill.
Reservoirs with unfulfilled pre-1950 water rights can continue to store water and that storage will not be subject to release to satisfy Montana’s call. However, that storage and other direct flow rights could be subject to regulation to satisfy priority calls by senior Wyoming water rights.
The priority administration will be carried out pursuant to state law by hydrographer-commissioners assigned to various portions of the Tongue River Basin, working under the direction of Division II Superintendent David Schroeder.
The Wyoming State Engineer’s Office can be contacted at:
Jack Morey, deputy state engineer, 307-777-5032, jack.morey2@wyo.gov
David Schroeder, Division II superintendent, 307-674-7012, d.schroeder@wyo.gov
Jeff Cowley, interstate streams administrator, 307-777-1942, jeff.cowley@wyo.gov
The Montana Lottery offers multiple draw games for those aiming to win big.
Here’s a look at May 12, 2026, results for each game:
Winning Mega Millions numbers from May 12 drawing
17-32-35-40-47, Mega Ball: 17
Check Mega Millions payouts and previous drawings here.
Winning Big Sky Bonus numbers from May 12 drawing
04-12-17-24, Bonus: 11
Check Big Sky Bonus payouts and previous drawings here.
Winning Millionaire for Life numbers from May 12 drawing
19-21-35-38-53, Bonus: 01
Check Millionaire for Life payouts and previous drawings here.
Feeling lucky? Explore the latest lottery news & results
When are the Montana Lottery drawings held?
- Powerball: 8:59 p.m. MT on Monday, Wednesday, and Saturday.
- Mega Millions: 9 p.m. MT on Tuesday and Friday.
- Lucky For Life: 8:38 p.m. MT daily.
- Lotto America: 9 p.m. MT on Monday, Wednesday and Saturday.
- Big Sky Bonus: 7:30 p.m. MT daily.
- Powerball Double Play: 8:59 p.m. MT on Monday, Wednesday, and Saturday.
- Montana Cash: 8 p.m. MT on Wednesday and Saturday.
- Millionaire for Life: 9:15 p.m. MT daily.
Missed a draw? Peek at the past week’s winning numbers.
This results page was generated automatically using information from TinBu and a template written and reviewed by a Great Falls Tribune editor. You can send feedback using this form.
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