Meteorologist Myles Henderson’s First Warning Forecast
Another typical August day… Highs will warm to the upper 80s today with an afternoon heat index in the upper 90s. Expect a mix of partly to mostly cloudy skies with scattered showers and storms. The biggest chance for rain will be this afternoon to evening. Some storms could be strong to severe.
Thursday will be the hottest day of the week. Highs will climb to the low 90s with an afternoon heat index over 100. Expect partly cloudy skies tomorrow with scattered storms firing up in the afternoon.
Highs will return to the upper 80s on Friday, but it will still be humid. Expect a mix of sun and clouds with another chance for afternoon scattered showers and storms.
This weekend will be very typical for August. We will see a nice mix of sun and clouds, with scattered showers/storms popping up in the afternoon. Highs will remain in the mid to upper 80s, near normal for this time of year.
Today: Mix of Clouds, Scattered Storms. Highs in the upper 80s. Winds: S 5-15
Tonight: Mix of Clouds, Isolated Showers. Lows in the mid 70s. Winds: S 5-10
Tomorrow: Partly Cloudy, Afternoon Storms. Highs in the low 90s. Winds: SW 5-10
Weather & Health
Pollen: Medium (Ragweed, Grasses)
UV Index: 9 (Very High)
Air Quality: Good (Code Green)
Mosquitoes: Extreme
Tropical Update
Post-tropical cyclone Fred is located about 180 miles west-southwest of State College, Pennsylvania. The system is moving toward the northeast near 20 mph and this motion is expected to continue today with a gradual turn east tonight. Maximum sustained winds are near 25 mph with higher gusts. Little change in strength is forecast during the next 48 hours.
Grace becomes a hurricane just west of Grand Cayman. The system is moving toward the west-northwest near 15 mph. A general west-northwestward to westward motion is expected for the next several days. On the forecast track, the center of Grace will continue to move away from Grand Cayman today.
Grace is expected to make landfall in the Yucatan Peninsula Thursday morning, and move over the southwest Gulf of Mexico early Friday.
Maximum sustained winds are near 75 mph with higher gusts. Some additional strengthening is forecast before the center of Grace reaches the eastern Yucatan Peninsula. Weakening will occur while the center moves over the Yucatan Peninsula on Thursday, with restrengthening expected when Grace moves over the southwest Gulf of Mexico on Friday. Hurricane-force winds extend outward up to 25 miles from the center and tropical-storm-force winds extend outward up to 115 miles.
Henri is moving toward the west near 8 mph and this motion is expected to continue for another day or so. A turn to the north is expected on Friday with that motion continuing into the weekend. Maximum sustained winds are near 65 mph with higher gusts. Little change in strength is forecast during the next couple of days, but Henri is expected to become a hurricane by the weekend. Tropical-storm-force winds extend outward up to 80 miles from the center.
Swells are expected to increase across much of the east coast of the U.S. and Atlantic Canada later this week and this weekend. These swells could cause life-threatening surf and rip current conditions.
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