Beneficial rainfall in the forecast

May 8th, 2013 at 9:12 pm by under Weather

On average, May is the Austin area’s wettest month, with close to 4.5 inches of rain. But, we are off to a very dry start this month, with only .01” falling so far. It looks like that will change soon though, as a complex storm system over the Rockies will give us a chance of beneficial rain over the next few days.

Some scattered showers and thunderstorms may develop Thursday, but there will be an even higher probability of rain and thunderstorms Friday. Rain could continue Saturday before some drier air moves in Sunday and Monday.

This time of year, it is not uncommon for thunderstorms to become severe. Areas west of IH-35 are in the “slight risk” category for severe storms Thursday. All of the KXAN viewing area is in the “slight risk” category Friday. Large hail and damaging winds will be the primary threat.

Those heavy thunderstorms should also bring some beneficial rainfall. The National Weather Service is forecasting rainfall totals of 1” to 2.5” across our area, with the heaviest amounts centered right on the Austin metro area.

Temperatures will remain near or just below normal through Friday, then well below normal Saturday, with highs only in the mid-70s. A return to highs in the 80s is forecast by Monday. There will be another chance for rain by Tuesday and Wednesday next week.

Here’s the latest information from the National Weather Service:


An unstable weather pattern will develop over the Southwestern US, leaving a series of weak disturbances aloft to pass across South Central Texas late this week. The first round of thunderstorms expected from this pattern should tap into afternoon heating on Thursday, resulting in a chance of strong to severe thunderstorms that could extend well into Thursday night. Large hail and damaging winds should be the main severe threats. The unstable pattern is expected to continue into Friday and possibly into Saturday as remnant outflow boundaries promote an additional focus for thunderstorm development. Rain chances may be further enhanced if a weak frontal boundary moves south from North Texas.

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