FNUS73 KMPX 091004 FWSMPX Spot Forecast for LTR Brenner Lake Rx...USFWS National Weather Service Twin Cities/Chanhassen MN 504 AM CDT Fri May 9 2025 Forecast is based on ignition time of 0800 CDT on May 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. Please contact our office if you have questions or concerns with this forecast. ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .DISCUSSION...Mostly sunny skies will prevail for much of the day then clouds move in from the northwest late afternoon into the evening due to the approach of a cold front. Ahead of the front, highs will climb into the mid 80s while RH values bottom out around 25 percent this afternoon. Winds will start out from the southwest this morning then shift to west then northwest this afternoon with the advance of the cold front. Sustained speeds around 10mph this morning will increase to near 15mph this afternoon. Similarly, gusts will increase from around 15mph to around 20mph. .REST OF TODAY... Sky/weather.........Sunny (20-30 percent) then becoming mostly sunny (45-55 percent). Temperature.........57 at ignition...Max 85. RH..................53 percent at ignition...Min 26 percent. Wind (20 ft)........Winds southwest at 8 mph at ignition...otherwise Southwest winds 8 to 10 mph shifting to the northwest 13 to 14 mph late in the afternoon. Smoke dispersal.....Poor /7200 knot-ft/ at ignition. Max...excellent /104700 knot-ft/ increasing to excellent (85600 knot-ft) late in the afternoon. Mixing height.......600 ft AGL at ignition...otherwise 9300 ft AGL. Transport winds.....Southwest 13 to 15 mph shifting to the northwest 16 to 18 mph late in the afternoon. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM Sky cover.......CLR MCR MCR MCR MCR PC MC MC PC PC PC MCR Weather cov..... Weather type.... Tstm cov........ Temp............57 63 70 76 81 84 85 85 84 83 82 79 RH..............53 46 38 31 28 27 27 27 27 26 26 28 20 FT wind dir..SW SW SW SW W W W NW NW N N N 20 FT wind spd..8 9 9 10 10 10 12 13 14 14 14 14 20 FT wind gust.15 15 15 15 15 15 16 17 20 21 20 20 Mix hgt (kft)...0.6 1.2 1.4 1.9 3.7 5.7 8.1 9.3 7.9 5.4 4.4 3.5 Transp wind dir.S SW SW W W W W NW NW N N N Transp wind spd.14 15 13 14 14 12 15 16 16 18 18 20 .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). Temperature.........Min 49. RH..................Max 52 percent. Wind (20 ft)........North winds 9 to 14 mph shifting to the northeast 8 to 9 mph after 3 am. Smoke dispersal.....Excellent (70100 knot-ft) early in the evening decreasing to poor (7300 knot-ft) late in the night. Mixing height.......600 ft AGL. Transport winds.....North 16 to 20 mph shifting to the northeast early in the morning. .SATURDAY... Sky/weather.........Sunny (5-15 percent). Temperature.........Max 79. RH..................Min 22 percent. Wind (20 ft)........East winds 7 to 9 mph shifting to the southeast 8 to 12 mph late in the morning. Smoke dispersal.....Poor (6000 knot-ft) early in the morning increasing to good (44400 knot-ft) in the afternoon. Mixing height.......4400 ft AGL. Transport winds.....East 9 to 15 mph shifting to the southeast 9 to 12 mph late in the afternoon. $$ Forecaster...Calderone Requested by...Lane Gibbons Type of request...PRESCRIBED .TAG 2513599.0/MPX .DELDT 05/09/25 .FormatterVersion 2.0.0 .EMAIL lane_gibbons@nps.gov,jared_culbertson@fws.gov