Alert archive / Oregon / Red Flag Warnings in 2025
Red Flag Warning 21, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Aug 24, 2025, 1:22 PM PDT for 8 counties in Oregon; Modoc County, Siskiyou County, California. It took effect at Aug 25, 2025, 1:00 PM PDT. It was in force for 8 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 24, 2025, 1:22 PM PDT (20:22 UTC)
- In effect from
- Aug 25, 2025, 1:00 PM PDT
- Expired
- Aug 25, 2025, 9:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Siskiyou County, CA, Curry County, OR, Douglas County, OR, Harney County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR, Lane County, OR
The radar
The Medford radar (KMAX), 80 km from the middle of the area, began a volume at 20:23 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 25, 5:35 PM PDT | HAIL 0.75 | 7 Nnw Rogue River, OR |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Salem/Mcnary, OR (KSLE), launched 12:00Z, 8.4 hours before the alert went out and 266 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2185 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
401 WWUS86 KMFR 242022 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 122 PM PDT Sun Aug 24 2025 CAZ280-281-284-285-ORZ621-623>625-251200- /O.NEW.KMFR.FW.W.0021.250825T2000Z-250826T0400Z/ /O.CON.KMFR.FW.W.0020.000000T0000Z-250825T0400Z/ Western Klamath National Forest- Central Siskiyou County Including Shasta Valley- Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Modoc County Except for the Surprise Valley- Siskiyou Mountains-Southern Oregon Cascades- Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 122 PM PDT Sun Aug 24 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 284, 285, 621, 623, 624, AND 625... ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT MONDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 284, 285, 621, 623, 624, AND 625... The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 9 PM PDT Monday. * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, all of Fire weather zones 280, 281, 284, and 285, and in Oregon, all of Fire weather zones 621, 623, 624, and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. && $$ CAZ282-ORZ617-620-622-251200- /O.NEW.KMFR.FW.W.0021.250825T2000Z-250826T0400Z/ Shasta-Trinity National Forest in Siskiyou County- Umpqua National Forest- Western Rogue Basin including the Illinois Valley- Eastern Rogue Valley- 122 PM PDT Sun Aug 24 2025 ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT MONDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 282, 617, 620, AND 622... The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 9 PM PDT Monday. * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, all of Fire weather zone 282, and in Oregon, all of Fire weather zones 617, 620, and 622. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. && $$ Visit us at www.weather.gov/Medford
3 follow-up statements
980 WWUS86 KMFR 251048 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 348 AM PDT Mon Aug 25 2025 CAZ280>282-284-285-ORZ617-620>625-260030- /O.CON.KMFR.FW.W.0021.250825T2000Z-250826T0400Z/ Western Klamath National Forest- Central Siskiyou County Including Shasta Valley-Shasta- Trinity National Forest in Siskiyou County- Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Modoc County Except for the Surprise Valley- Umpqua National Forest- Western Rogue Basin including the Illinois Valley- Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades- Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 348 AM PDT Mon Aug 25 2025 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 282, 284, 285, 617, 620, 621, 622, 623, 624, AND 625... * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, all of Fire weather zones 280, 281, 282, 284, and 285, and in Oregon, all of Fire weather zones 617, 620, 621, 622, 623, 624, and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. && $$ Visit us at www.weather.gov/Medford
797 WWUS86 KMFR 252053 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 153 PM PDT Mon Aug 25 2025 CAZ280>282-284-285-ORZ617-620>625-261200- /O.NEW.KMFR.FW.W.0022.250826T2000Z-250827T0400Z/ /O.CON.KMFR.FW.W.0021.000000T0000Z-250826T0400Z/ Western Klamath National Forest- Central Siskiyou County Including Shasta Valley-Shasta- Trinity National Forest in Siskiyou County- Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Modoc County Except for the Surprise Valley- Umpqua National Forest- Western Rogue Basin including the Illinois Valley- Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades- Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 153 PM PDT Mon Aug 25 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 282, 284, 285, 617, 620, 621, 622, 623, 624, AND 625... ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT TUESDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 282, 284, 285, 617, 620, 621, 622, 623, 624, AND 625... The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 1 PM to 9 PM PDT Tuesday. * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, all of Fire weather zones 280, 281, 282, 284, and 285, and in Oregon, all of Fire weather zones 617, 620, 621, 622, 623, 624, and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. Isolated overnight and early morning storms are possible east of the Cascades, but confidence is low. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. && $$ Visit us at www.weather.gov/Medford
727 WWUS86 KMFR 260427 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 927 PM PDT Mon Aug 25 2025 CAZ280>282-284-285-ORZ617-620>625-261630- /O.EXP.KMFR.FW.W.0021.000000T0000Z-250826T0400Z/ /O.CON.KMFR.FW.W.0022.250826T2000Z-250827T0400Z/ Western Klamath National Forest- Central Siskiyou County Including Shasta Valley-Shasta- Trinity National Forest in Siskiyou County- Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Modoc County Except for the Surprise Valley- Umpqua National Forest- Western Rogue Basin including the Illinois Valley- Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades- Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 927 PM PDT Mon Aug 25 2025 ...RED FLAG WARNING HAS EXPIRED FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 282, 284, 285, 617, 620, 621, 622, 623, 624, AND 625... ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT TUESDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 281, 282, 284, 285, 617, 620, 621, 622, 623, 624, AND 625... * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, all of Fire weather zones 280, 281, 282, 284, and 285, and in Oregon, all of Fire weather zones 617, 620, 621, 622, 623, 624, and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. Isolated overnight and early morning storms are possible east of the Cascades, but confidence is low. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. && $$ Visit us at www.weather.gov/Medford
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 4:50 PM PDT | Special Weather Statement | MFR | 25 min |
Nearby
Red Flag Warnings in Oregon, 2025Red Flag Warnings in California, 2025Every red flag warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.