Spot Forecast
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
510 FNUS75 KPSR 160010 FWSPSR Spot Forecast for Siphon...AZ-TNF National Weather Service Phoenix AZ 510 PM MST Sun Sep 15 2024 Forecast is based on forecast start time of 0600 MST on September 16. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... With temperatures gradually cooling, humidity levels will increase through Monday resulting in chances for showers and thunderstorms with modest chances for wetting rainfall. The best chances for wetting rains will be late tonight through early Monday morning before much drier air ends rain chances completely later in the morning hours. Winds Monday morning will out of the east to southeast before gradually shifting out of the southwest in the afternoon with potential gusts upwards of 25 mph. Lighter winds are expected by Tuesday. Even though much drier air is expected for Tuesday, the cooler temperatures will allow for MinRHs to remain somewhat elevated. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. .MONDAY... Sky/weather.........Partly sunny (50-60 percent). Chance of showers and slight chance of thunderstorms early in the morning then drying out. CWR.................37 percent. Max temperature.....Around 86. Min humidity........29-34 percent. Wind (20 ft)........East to southeast winds 10 to 15 mph in the morning gradually veering to the southwest 15 to 20 mph with gusts upwards of 25 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. .MONDAY NIGHT... Sky/weather.........Mostly cloudy (45-55 percent) then becoming partly cloudy (45-55 percent). Slight chance of showers. CWR.................7 percent. Min temperature.....Around 66. Max humidity........52-57 percent. Wind (20 ft)........South to southwest winds 5 to 14 mph. .TUESDAY... Sky/weather.........Sunny (10-20 percent). CWR.................2 percent. Max temperature.....Around 79. Min humidity........23-28 percent. Wind (20 ft)........Southwest winds 5 to 11 mph. $$ Forecaster...GL Requested by...Kurt Lehner Type of request...WILDFIRE .TAG 2422508.0/PSR .DELDT 09/15/24 .FormatterVersion 2.0.0 .EMAIL 2024.siphon@firenet.gov