FNUS71 KCLE 211419 FWSCLE Spot Forecast for NKSB...The Cleveland Museum of Natural History National Weather Service Cleveland OH 1019 AM EDT Tue Apr 21 2026 Forecast is based on ignition time of 1200 EDT on April 21. If conditions become unrepresentative or you have questions... contact the National Weather Service in Cleveland. Call 216-416-2912 (unlisted), to talk to a forecaster. .DISCUSSION... Fairly brisk southerly winds should keep marine influence to a minimum. This will allow mixing heights to rise to close to 3,000 feet by this afternoon as RH values dip below 40 percent during peak afternoon heating hours. Winds will stay out of the south at 10-20 MPH closer to the surface and 20-30 MPH just aloft. .REST OF TODAY... Sky/weather.........Partly sunny (50-60 percent) then becoming mostly sunny (20-30 percent). Chance of pcpn......10 percent. Chance of thunder...4 percent. Max temperature.....Around 64. Min humidity........36 percent. Wind (20 ft)........South winds 14 to 15 mph. Mixing height.......1000 ft AGL. Transport winds.....South 20 to 21 mph. TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........53 58 56 25 30 21 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 10 10 10 10 10 Chc of thdr (%).0 0 0 0 0 0 Temp............56 57 58 62 63 63 RH..............37 37 38 36 38 40 20 FT wind dir..S S S S S S 20 FT wind dir..180 190 190 190 190 200 20 FT wind spd..16 16 16 16 16 15 20 FT wind gust.24 24 24 24 23 22 Mix hgt (kft)...2.3 2.8 2.8 2.8 2.6 2.3 Transp wind dir.S S S S S S Transp wind spd.20 20 20 21 21 20 $$ Forecaster...Sullivan Requested by...Ben Piazza Type of request...PRESCRIBED .TAG 2611092.0/CLE .DELDT 04/21/26 .FormatterVersion 2.0.0 .EMAIL bpiazza@cmnh.org