HUNTSVILLE, Ala. — Another beautiful afternoon across the Tennessee Valley. It looks like many will fall just short again of the 90 degree mark. Muscle Shoals did see 91 this afternoon. As of today, Muscle Shoals is the only location to see a 90 degree day so far in 2020. This is the first time we have waited until June to see a 90 degree day in Huntsville since June of 2003.
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Some diurnally driven cloud cover again this afternoon across the Tennessee Valley, but radar has remained quiet. There are only a couple hours left for showers to develop. The later we get into the evening the smaller our chance becomes that we see any shower activity. We remain dry through the overnight.
With temperatures staying warm tonight and our dew points the mid and upper 60s, some could see some patchy fog develop late tonight and early tomorrow morning.
Remember fog develops when the air just above the surface matches the dew point. The dew point is the temperature a parcel of air must be to be 100% saturated.
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Fog will not stick around long lifting through the middle part of the morning. From there a near perfect day is in store with sunshine and temperatures climbing into the mid and upper 80s.
In the upper levels sits a short-wave trough. That trough will the focus of scattered showers and thunderstorms over the next couple of days. Activity will be more scattered on Wednesday. It looks like we could see some more widespread activity on Thursday. Still even with the upper trough a lot of this is diurnally driven.
Tropical Storm Cristobal
Tropical Depression Three has formed into Tropical Storm Cristobal. Cristobal will remain in the Bay of Campeche much of the workweek before moving into the Gulf of Mexico. There is a chance Cristobal could make landfall on the coast along Louisiana.