Land Management Forecasts
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
002 FNUS85 KVEF 172039 FWLVEF ECCDA DISCUSSIONS NATIONAL WEATHER SERVICE LAS VEGAS NV 139 PM PDT MON AUG 17 2026 ##################################################################### ## ## ## DISCUSSIONS FROM THE LATEST FWF BELOW ## ## ## ##################################################################### ...DISCUSSION FROM RNOFWFVEF... THE WARMING AND DRYING TREND CONTINUES, WITH ABOVE NORMAL TEMPERATURES RETURNING AS MIN RHS FALL TO 5-15% ACROSS LOWER ELEVATIONS AND 20-25% ACROSS THE MOUNTAINS THROUGH MIDWEEK. DIURNAL/TERRAIN-DRIVEN 20FT WINDS AROUND 5-10 MPH ARE EXPECTED, WITH OCCASIONAL HIGHER GUSTS IN THE AFTERNOONS. THERE IS A VERY LOW CHANCE OF ISOLATED THUNDERSTORMS TODAY, MAINLY OVER THE SOUTHERN GREAT BASIN AND NORTHWESTERN ARIZONA, WITH GUSTY WINDS AND LIGHTNING STRIKES THE MAIN CONCERNS. STORM CHANCES RETURN LATE WEEK INTO THE WEEKEND AS MONSOONAL MOISTURE INCREASES. ...DISCUSSION FROM LAXFWFSGX... A SLOW WARMING TREND WILL DEVELOP THROUGH THURSDAY WHEN HIGHS WILL BE GENERALLY 3 TO 7 DEGREES ABOVE NORMAL, FOLLOWED BY A DEGREE OR TWO OF COOLING EACH DAY THROUGH NEXT WEEKEND. DRY WEATHER WILL PREVAIL THROUGH AT LEAST WEDNESDAY. THERE IS A 10-15% CHANCE OF SHOWERS OVER THE MOUNTAINS ON THURSDAY AFTERNOON, INCREASING TO A 15-20% CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE MOUNTAINS AND ADJACENT DESERTS EACH AFTERNOON FOR FRIDAY THROUGH THE WEEKEND. ...DISCUSSION FROM PHXFWFPSR... ABOVE NORMAL TEMPERATURES WITH A STEADY INCREASE IN LOW-LEVEL MOISTURE IS ANTICIPATED OVER THE NEXT FEW DAYS. MOST LOWER DESERT COMMUNITIES WILL SEE TEMPERATURES TOPPING OUT AROUND 110-113 DEGREES. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE FORECAST FOR THE HIGH TERRAIN THROUGH TUESDAY WITH AN INCREASE IN COVERAGE EXPECTED BY MIDWEEK. RELATIVE HUMIDITY VALUES WILL BOTTOM OUT BETWEEN 15-25% THROUGH TUESDAY BEFORE INCREASING TO 20-30% STARTING WEDNESDAY. OUTSIDE OF GUSTY AND ERRATIC WINDS NEAR ANY THUNDERSTORM, OVERALL WINDS WILL 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 ## ## ## ##################################################################### ECC027-181445- SAN BERNARDINO ECC DISPATCH- DISCUSSION FOR SAN BERNARDINO ECC DISPATCH 139 PM PDT MON AUG 17 2026 THE WARMING AND DRYING TREND CONTINUES, WITH ABOVE NORMAL TEMPERATURES RETURNING AS MIN RHS FALL TO 5-15% ACROSS LOWER ELEVATIONS AND 20-25% ACROSS THE MOUNTAINS THROUGH MIDWEEK. DIURNAL/TERRAIN-DRIVEN 20FT WINDS AROUND 5-10 MPH ARE EXPECTED, WITH OCCASIONAL HIGHER GUSTS IN THE AFTERNOONS. STORM CHANCES RETURN LATE WEEK INTO THE WEEKEND, ESPECIALLY OVER THE HIGHER TERRAIN AND EASTERN PORTIONS OF SAN BERNARDINO COUNTY AS MONSOONAL MOISTURE INCREASES. $$