Red Flag Warning for East Salmon River Mountains/Salmon NF; Lemhi and Lost River Range/Challis NF
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
Impacts: Wind and low humidity can lead to rapid spread of fire and more intense fire in receptive fuels.
What the bulletin says to do
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.
Full official description
Bulletin details
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 475 AND 476... * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. Locally high gusts are possible due to virga. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Wind and low humidity can lead to rapid spread of fire and more intense fire in receptive fuels.
Lifecycle record
Official revisions
- Update
Red Flag Warning issued July 27 at 12:34AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID
Official revision - Alert
Red Flag Warning issued July 26 at 10:58AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Pocatello ID. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected