Montana
Atmospheric river drives flooding in northwest Montana
Warm temperatures and an “atmospheric river” of precipitation that flowed into northwestern Montana this week have generated a state of emergency in Montana’s northwesternmost county, Lincoln, as local waterways run unseasonably high.
Around 12 p.m. Wednesday, the National Weather Service started issuing flooding watches as area snowpack sites reported 24-hour precipitation totals that were approaching record levels. NWS meteorologist Dan Borsum told Montana Free Press Thursday that the “rain-on-snow” nature of the recent precipitation has led to widespread flooding.
Borsum called the weather pattern “unusual” for mid-December, instead likening it to a warm April.
Zach Sherbo, the public health manager for the Lincoln County Health Department, said in a Thursday afternoon phone call that additional precipitation is expected through Thursday evening, so rivers could continue rising into Friday.
The Lincoln County communities of Libby and Troy have been hit the hardest by the deluge, which prompted emergency services personnel to issue a state of emergency Thursday afternoon. Residents are cautioned against unnecessary travel and those served by the Libby city water supply are under a boil-water order as a precaution in the event of water supply contamination. School has also been canceled for students in Libby and Troy, Sherbo said.
The Lincoln County Sheriff’s Department has identified a handful of bridges that have been compromised or are washed out as a result of flooding. It suggests residents looking for information on road closures and bridge conditions review an interactive map that is available online and linked in a press release posted to the Lincoln County Health Department’s Facebook page.
“It’s going to take a long time to recoup from this, just structurally, just with the bridges we’ve lost already and the condition that they’re in and going toward,” Sherbo said. “It’s a pretty big combined local effort right now.”
Justun Juelfs, the Kalispell-area maintenance chief with the Montana Department of Transportation said three stretches of state-managed roadways were closed or under monitoring status as of 4 p.m. Thursday.
An approximately 80-foot section of the Farm to Market Road south of Libby has washed out as Libby Creek carved a new channel. MDT is also monitoring erosion that is occurring along a U.S. Highway 2 bridge southeast of Libby and along a section of Highway 56 near Bull Lake. Juelfs encouraged motorists to review MDT’s road conditions report for up-to-date information on impacts to state highways.
The Army Corps of Engineers is assisting with sandbag-filling and distributing efforts and the Red Cross has set up a shelter for those in need at the Assembly of God Church in Libby, according to Sherbo.
The Montana Disaster and Emergency Services agency is also lending a hand with the flood response. In an email to MTFP, Anette Ordahl with DES wrote that a district field officer and a recovery coordinator are on the ground in Libby to offer assistance.
In a Thursday afternoon press release, Gov. Greg Gianforte noted that Sanders and Flathead counties have also recognized the flooding by issuing emergency or disaster declarations. Up to four inches of additional rainfall are expected across western and south-central Montana, according to a disaster declaration Gianforte’s office included in a 3 p.m. press release.
The National Weather Service reported Thursday morning that the Bear Mountain snowpack monitoring site, located just across the border in Idaho, received 6.5 inches of precipitation as of this morning, making it the third-wettest 24-hour period for the site in its 44-year monitoring history. The six-day precipitation total for Dec. 6-11 is 13 inches.
Borsum, with the National Weather Service, said the recent, unseasonable warm spell in western Montana combined with the “super strong” atmospheric river to melt early season snowpack and drive flooding. A similar rain-on-snow event in early June of 2022 led to widespread flooding in parts of south-central Montana that required extensive repairs to roadways and bridges.
Thursday, the Yaak River near Troy surpassed its official flood stage, running at more than 7,500 cubic feet per second. Its usual volume for this time of the year is about 200 cfs.
The Fisher River near Libby was also nearing flood stage. As of Thursday afternoon, it was running at nearly 4,000 cfs, more than 20 times its usual volume for mid-December.
Zeke Lloyd and Jacob Olness contributed to this reporting.
The Montana Lottery offers multiple draw games for those aiming to win big.
Here’s a look at July 8, 2026, results for each game:
Winning Powerball numbers from July 8 drawing
12-29-37-43-55, Powerball: 18, Power Play: 4
Check Powerball payouts and previous drawings here.
Winning Lotto America numbers from July 8 drawing
17-26-31-32-37, Star Ball: 01, ASB: 02
Check Lotto America payouts and previous drawings here.
Winning Big Sky Bonus numbers from July 8 drawing
03-13-16-17, Bonus: 10
Check Big Sky Bonus payouts and previous drawings here.
Winning Powerball Double Play numbers from July 8 drawing
06-27-33-44-69, Powerball: 23
Check Powerball Double Play payouts and previous drawings here.
Winning Montana Cash numbers from July 8 drawing
08-16-17-22-27
Check Montana Cash payouts and previous drawings here.
Winning Millionaire for Life numbers from July 8 drawing
16-18-43-48-50, 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.
HELENA, Mont — Gov. Greg Gianforte is backing a new effort to keep data centers from driving up Montanans’ power bills.
This week, Gianforte announced Montana is signing on to the Ratepayer Protection Pledge — an initiative endorsed by President Trump.
Several major technology companies like Amazon, Google, Meta, Microsoft, OpenAI, Oracle, and XAI first signed the pledge back in March.
The pledge comes as data center development continues to grow — raising questions about how much new energy will be needed and who will pay for it.
NBC Montana spoke with Julia Haggerty, professor of geography and department head of earth sciences at Montana State University, about whether Montana’s power grid is ready for that growth.
“Not without resolution of significant transmission bottlenecks and massive amounts of new generation. So, while our grid is adequately, relatively adequately equipped to serve the needs of our current load base, it’s definitely not equipped to accommodate the new demands without a lot of expansion,” she said.
According to the pledge, data center developers will pay for new power generation, and infrastructure needed to support their operations.
“It does align with ongoing regulatory efforts to ensure that the cost of new generation associated with data centers is borne by the developers of those data centers and not customers,” Haggerty said.
The governor’s office says Gianforte’s support of the pledge is designed to encourage responsible data center investments while protecting Montana ratepayers from long-term costs.
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