


Spot Forecast
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
859 FNUS75 KTWC 110011 FWSTWC Spot Forecast for Lookout Fire...USFS National Weather Service Tucson AZ 511 PM MST Sun Aug 10 2025 Forecast is based on forecast start time of 0500 MST on August 11. .DISCUSSION... 20 to 40 percent chance for isolated showers and thunderstorms Monday afternoon starting around 1300 MST. Expect gusty and erratic winds near thunderstorms. High temperature will be around 75 degrees with minimum RH around 19 percent. Winds will be from the northwest at 5 to 10 MPH. Overnight, lows will be around 55 degrees with max RH around 60 percent. Winds overnight will be continue to be from the northwest at 5 to 10 MPH. Tuesday, 50 to 70 percent chance for storms and showers in the afternoon starting around 1200 MST. Expect gusty and erratic winds near thunderstorms. High temperature will be around 75 degrees with minimum RH around 24 percent. Winds will be from the northwest at 5 to 10 MPH shifting to the southwest in the afternoon. .MONDAY... Sky/weather.........Sunny then becoming partly sunny. Isolated showers and thunderstorms in the afternoon. Chance of pcpn......40 percent late in the afternoon decreasing to 20 percent. Max temperature.....74-77 degrees. Min humidity........19-22 percent. 20-foot winds.......Northwest winds 5 to 10 mph. Gusty and erratic winds expected near thunderstorms late in the morning. Mixing height.......900 ft AGL increasing to 11200 ft AGL early in the afternoon decreasing to 6200 ft AGL late in the afternoon. Transport winds.....Northwest 10 to 15 knots. TIME (MST) 6 AM 9 AM NOON 3 PM Sky (%).........27 6 38 57 Weather cov..... ISOLTD SCTTRD Weather type....NONE NONE RNSHWR RNSHWR Tstm cov........ ISOLTD SCTTRD CWR.............0 0 20 40 Temp............55 68 73 72 RH..............60 31 21 22 20 FT wind......W 6G12 NW 6G14 NW 6G14 NW 7G14 Mix hgt (ft)....BLW100 4800 11200 8700 Transport wind..N 10 N 14 NW 13 N 14 .MONDAY NIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Isolated thunderstorms in the evening, then scattered rain showers early in the evening. Areas of smoke early in the evening. Chance of pcpn......30 percent. Min temperature.....52-55 degrees. Max humidity........56-59 percent. 20-foot winds.......Northwest winds 5 to 10 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......3500 ft AGL decreasing to 100 ft AGL. Transport winds.....Northwest 9 to 14 knots. TIME (MST) 6 PM 9 PM MIDNGT 3 AM Sky (%).........45 50 26 31 Weather cov.....ISOLTD SCTTRD AREAS Weather type....RNSHWR RNSHWR SMOKE NONE Tstm cov........ISOLTD ISOLTD CWR.............20 30 10 10 Temp............68 61 58 55 RH..............32 46 49 55 20 FT wind......W 6G14 NW 6G14 NW 6G14 NW 6G12 Mix hgt (ft)....3500 BLW100 BLW100 BLW100 Transport wind..NW 13 NW 11 NW 14 NW 12 .TUESDAY... Sky/weather.........Sunny then becoming mostly cloudy. Scattered thunderstorms in the afternoon. Chance of pcpn......70 percent then decreasing to 30 percent late in the afternoon. Max temperature.....73-76 degrees. Min humidity........24-27 percent. 20-foot winds.......Northwest winds 5 to 9 mph shifting to the southwest in the late morning and afternoon. Gusty and erratic winds expected near thunderstorms late in the morning. Mixing height.......1000 ft AGL increasing to 11100 ft AGL late in the morning decreasing to 5500 ft AGL late in the afternoon. Transport winds.....Northwest 7 to 9 knots shifting to the southwest late in the afternoon. TIME (MST) 6 AM 9 AM NOON 3 PM Sky (%).........27 16 78 78 Weather cov..... NUMRUS NUMRUS Weather type....NONE NONE RNSHWR RNSHWR Tstm cov........ SCTTRD SCTTRD CWR.............10 10 70 70 Temp............57 67 73 71 RH..............52 33 25 31 20 FT wind......NW 5G10 W 4G10 W 5G11 SW 5G10 Mix hgt (ft)....300 4400 10500 8100 Transport wind..NW 8 NW 8 W 9 W 8 $$ Forecaster...MALARKEY Requested by...Devon Olson Type of request...WILDFIRE .TAG 2519376.5/TWC .DELDT 08/10/25 .FormatterVersion 2.0.0 .EMAIL devon.olson@usda.gov Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson