Land Management Forecasts
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
472 FNUS85 KVEF 200944 FWLVEF ECCDA DISCUSSIONS NATIONAL WEATHER SERVICE LAS VEGAS NV 244 AM PDT THU AUG 20 2026 ##################################################################### ## ## ## DISCUSSIONS FROM THE LATEST FWF BELOW ## ## ## ##################################################################### ...DISCUSSION FROM RNOFWFVEF... HOT AND DRY CONDITIONS CONTINUE TODAY BEFORE MONSOONAL MOISTURE RETURNS TO THE REGION ON FRIDAY. AFTERNOON MIN RH VALUES FALL INTO THE LOWER TEENS TO 20S WITH OVERNIGHT RECOVERIES ONLY IN THE 25-40 PERCENT RANGE. OVERNIGHT MAX RH VALUES SHOULD RISE TO 40-60+ PERCENT FRIDAY THROUGH THE WEEKEND, ESPECIALLY IN ARIZONA AND AT HIGHER ELEVATIONS. ISOLATED STORM POSSIBLE TODAY IN WESTERN ARIZONA, THEN INCREASING STORM CHANCES AND COVERAGE FURTHER NORTH AND WEST FRIDAY. UNCERTAINTY IN THUNDERSTORM CHANCES AND COVERAGE SUNDAY AS DRY AIR MOVES BACK INTO THE REGION. DIURNAL WIND PATTERN EXPECTED EACH DAY WITH AFTERNOON WIND GUSTS IN THE 15-25 MPH RANGE. ...DISCUSSION FROM LAXFWFSGX... MONSOONAL MOISTURE WILL INCREASE TODAY AND FRIDAY WITH A SLIGHT CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS AND DESERTS. THERE WILL BE SOME DRYING OF THE MONSOONAL MOISTURE OVER THE WEEKEND, THEN MAYBE A SLIGHT INCREASE AGAIN FOR EARLY NEXT WEEK. HIGH TEMPERATURES WILL REMAIN AROUND 5 DEGREES ABOVE AVERAGE FOR INLAND AREAS INTO NEXT WEEK WITH LOW TEMPERATURES 5 TO 10 DEGREES ABOVE AVERAGE FOR INLAND AREAS. ...DISCUSSION FROM PHXFWFPSR... ELEVATED MOISTURE LEVELS WILL PERSIST TODAY WITH A TEMPORARY REPRIEVE FROM THE EXTREME HEAT ACROSS THE EASTERN DISTRICTS. EXPECT MOSTLY ISOLATED SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING OVER THE HIGH TERRAIN AREAS. DRIER AIR WILL THEN WORK ITS WAY IN FOR FRIDAY AND SATURDAY WITH EVEN LOWER CHANCES FOR RAIN WHILE TEMPERATURES HEAT BACK UP TO EXTREME LEVELS. MINRHS OF 20-30% TODAY WILL LOWER TO 15-25% BEGINNING FRIDAY. WINDS SHOULD OVERALL FOLLOW THE TYPICAL DIURNAL TENDENCIES WITH SOME MODEST AFTERNOON UPSLOPE GUSTINESS. ##################################################################### ## ## ## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ## ## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ## ## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ## ## ## ##################################################################### ECC027-210345- SAN BERNARDINO ECC DISPATCH- DISCUSSION FOR SAN BERNARDINO ECC DISPATCH 244 AM PDT THU AUG 20 2026 MONSOONAL MOISTURE RETURNS TO THE REGION TODAY HOWEVER STILL EXPECT AFTERNOON MIN RH VALUES TO FALL INTO THE LOWER TEENS TO 20S WITH OVERNIGHT RECOVERIES IN THE 25-40 PERCENT RANGE. ISOLATED TO SCATTERED STORMS POSSIBLE EACH AFTERNOON AND EVENING OVER THE NEXT SEVERAL DAYS, WITH THE GREATEST CHANCES ALONG THE HIGHER TERRAIN. UNCERTAINTY IN THUNDERSTORM CHANCES AND COVERAGE SUNDAY AS DRY AIR MOVES BACK INTO THE REGION. DIURNAL WIND PATTERN EXPECTED EACH DAY WIND GUSTS IN THE 20-30 MPH RANGE. $$