Active Weather Alerts
Lake Wind Advisory
Issued: 7:54 AM Jul. 19, 2025 – National Weather Service
...LAKE WIND ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR... * WHAT...West winds 15 to 20 mph with gusts up to 30 mph expected for American Falls Reservoir. * WHERE...American Falls Reservoir * WHEN...From noon today to 8 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. &&
Red Flag Warning
Issued: 7:52 AM Jul. 19, 2025 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER ZONE 410... * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM. * TIMING...from noon until 8 PM MDT today. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...The combination of gusty winds and low humidity with critically dry fuels may result in extreme fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain. &&
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