Forecast Discussion
622 FXUS64 KMEG 201744 AFDMEG Area Forecast Discussion National Weather Service Memphis TN 1244 PM CDT Mon Apr 20 2026 ...New DISCUSSION, AVIATION, FIRE WEATHER... .KEY MESSAGES... Issued at 1242 PM CDT Mon Apr 20 2026 - Elevated fire danger is anticipated across the majority of the Mid-South on Tuesday due to a combination of elevated winds, low humidity, and temperatures in the 80s. - Warm and dry conditions with highs in the low to mid 80s will continue through Thursday. - Friday and into the weekend will feature warm and increasingly humid conditions as the weather pattern becomes wet and unsettled. && .DISCUSSION... (This evening through next Sunday) Issued at 1242 PM CDT Mon Apr 20 2026 The latest surface analysis places a broad area of high pressure over the Eastern CONUS. A quasi-stationary boundary was analyzed from a cold front over the Northeast extending west along the TN/KY border back into Kansas City. The front will continue to lift north over the next 24 hours with dry conditions and above normal temperatures across much of the Mississippi and Ohio River Valleys. Dry conditions and above normal temperatures will persist through Thursday as both surface and upper level high pressure remain in place. Temperatures will run about 5 to 10 degrees above normal each day with readings in the low to mid 80s. Dry continental air will remain in place on Tuesday marked by dewpoints in the low to mid 40s. We went with a blend of NBM and NBM 50 for dewpoints Tuesday, which yields RH values in the 23 to 29% range. Joint probabilities of RH =15 mph are pinging in the 20 to 35% range mainly over eastern Arkansas, the Missouri Bootheel, and west Tennessee along the Mississippi River. The rest of the Mid-South will experience RH
