Warren, ID Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth and road condition may be unsafe. Additional information is available at https://water.weather.gov/ahps2/ Stay tuned for further updates by listening to NOAA weather radio... or your local radio and TV stations.

Frost Advisory issued May 2 at 12:31PM MDT until May 3 at 9:00AM MDT by NWS Pocatello ID

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, and Lower Snake River Plain. * WHEN...From 2 AM to 9 AM MDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Freeze Warning issued May 2 at 12:31PM MDT until May 3 at 9:00AM MDT by NWS Pocatello ID

* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From 2 AM to 9 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Flood Warning issued May 2 at 11:39AM MDT by NWS Pocatello ID

...The Flood Warning continues for the following rivers in Idaho... Blackfoot River near Shelley (Wolverine Canyon) affecting Bingham County. .Snow melt and increased reservoir releases will cause the river flows to become high. Expect minor flooding downstream from the dam. * WHAT...Minor flooding is occurring. This approaches the flood of record. * WHERE...Blackfoot River near Shelley (Wolverine Canyon). * WHEN...Until further notice. * IMPACTS...At 8.5 feet, From the mouth of Wolverine Canyon upstream to the Blackfoot Dam, water flooding may be possible. Unimproved campgrounds may have water seeping or ponding in them along with strong flows at river's edge. Flat areas along the river and croplands may have water ponding. * ADDITIONAL DETAILS... - At 10:30 AM MDT Thursday the stage was 8.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM MDT Thursday was 8.8 feet. - Forecast...No forecast is available for this location. - Flood stage is 8.5 feet. - Flood History...This crest compares to a previous crest of 8.6 feet on 05/15/1984. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 11:38AM MDT by NWS Pocatello ID

...Observed flooding changed to Minor severity for the following rivers in Idaho... Blackfoot River near Blackfoot (Butte Rd-Ft Hall) affecting Bingham County. .Snow melt and increased reservoir releases will cause the river flows to become high. Expect minor flooding downstream from the dam. * WHAT...Minor flooding is occurring. This approaches the flood of record. * WHERE...Blackfoot River near Blackfoot (Butte Rd-Ft Hall). * WHEN...Until further notice. * IMPACTS...At 5.8 feet, Lowland flooding possible from Interstate 15 to confluence of the Snake River. Homes and cattle operation near Riverton Road (900 W) bridge just north of Ferry Butte Road (500 S) will start to have water seeping near them. Other locations will have water approaching roadways between 550 W and Blackhawk Road. * ADDITIONAL DETAILS... - At 10:30 AM MDT Thursday the stage was 6.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM MDT Thursday was 6.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 5.8 feet. - Flood History...This crest compares to a previous crest of 6.2 feet on 04/18/2017. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 11:37AM MDT by NWS Pocatello ID

...The Flood Warning continues for the following rivers in Idaho... Portneuf River at Topaz affecting Bannock County. * WHAT...Minor flooding is occurring and minor flooding is forecast. This approaches the flood of record. * WHERE...Portneuf River at Topaz. * WHEN...Until further notice. * IMPACTS...At 4.0 feet, Lowland and crop field flooding possible from Pebble Creek to Inkom. * ADDITIONAL DETAILS... - At 11:15 AM MDT Thursday the stage was 4.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:15 AM MDT Thursday was 4.3 feet. - Forecast...The river will rise to 4.2 feet this afternoon. It will then fall early Saturday morning. It will rise to 4.6 feet early Tuesday morning. It will then fall again but remain above flood stage. - Flood stage is 4.0 feet. - Flood History...This crest compares to a previous crest of 4.5 feet on 02/22/2017. - http://www.weather.gov/safety/flood

Flood Warning issued May 2 at 11:35AM MDT by NWS Pocatello ID

...The Flood Warning continues for the following rivers in Idaho... Portneuf River at Pocatello affecting Bannock County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Portneuf River at Pocatello. * WHEN...Until further notice. * IMPACTS...At 10.0 feet, Significant flooding of agricultural land will occur from the Inkom and Blackrock area. Lowland flooding will occur along sections of the river in Pocatello from Portneuf Gap to the Cheyenne Avenue Bridge and downstream of the concrete channel beginning at Sacajawea Park. * ADDITIONAL DETAILS... - At 10:45 AM MDT Thursday the stage was 10.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM MDT Thursday was 10.3 feet. - Forecast...The river is expected to rise to a crest of 10.5 feet early Wednesday morning. - Flood stage is 8.5 feet. - Flood History...This crest compares to a previous crest of 10.5 feet on 01/11/1982. - http://www.weather.gov/safety/flood