Jay Grymes
Chief Meteorologist
Baton Rouge, La.
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Jay Grymes joined the WAFB 9News team in August 1996 and was named Chief Meteorologist in May 2003.
Jay was born in Arlington, Virginia and grew up in Wilmington, Delaware, He moved to Baton Rouge in 1985 by invitation from LSU.
Education
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Updated: May. 6, 2023 at 6:30 PM CDT
|By Jay Grymes
A cluster of thunderstorms will move from west to east across South Louisiana on Saturday morning.
Updated: Aug. 30, 2022 at 9:11 PM CDT
|By Jay Grymes
A combination of afternoon heat, sea/lake breeze, and outflow boundaries will result in likely rain chances.
Updated: Aug. 26, 2022 at 9:02 PM CDT
|By Jay Grymes
Although no flood watches are in effect, periods of locally heavy rainfall will continue to be possible.
Updated: Aug. 19, 2022 at 11:04 PM CDT
|By Jay Grymes
Today, the wet and unsettled weather pattern continues with a 70% chance of showers and storms, both AM and PM, highs only in the upper 80s.
Updated: Jul. 21, 2022 at 10:30 PM CDT
|By Jay Grymes
Strong-to-severe storms will be possible in the morning with isolated-to-scattered t-showers re-developing in the afternoon.
Updated: Jul. 19, 2022 at 10:34 PM CDT
|By Jay Grymes
A large high-pressure ridge to our west will produce record heat for parts of the USA and keep our temperatures in the Baton Rouge area above normal through the weekend.
Updated: Jul. 18, 2022 at 6:37 PM CDT
|By Jay Grymes
With only modest rain chances each afternoon for the next several days, highs are likely to reach the mid to upper 90°s at many locations each day this week.
Updated: Jul. 14, 2022 at 10:39 PM CDT
|By Jay Grymes
Isolated downpours will be possible each of the next three days but widespread heavy rains are not expected.
Updated: Jul. 13, 2022 at 10:29 PM CDT
|By Jay Grymes
There’s no longer any threat for tropical development in the Gulf and forecasted rain accumulations over the next several days have been lowered.
Updated: Jul. 12, 2022 at 6:30 PM CDT
|By Jay Grymes
A broad disturbance in the northern Gulf will keep the weather in Baton Rouge and south Louisiana unsettled through the work week.
Updated: Jul. 11, 2022 at 6:33 PM CDT
|By Jay Grymes
A disturbance along the northern Gulf will need to be watched this week. That area of low pressure will likely make for a wet Wednesday and Thursday.
Updated: Jul. 8, 2022 at 10:34 PM CDT
|By Jay Grymes
A heat advisory has been issued for Saturday for much of the WAFB area.
Updated: Jul. 7, 2022 at 10:36 PM CDT
|By Jay Grymes
High pressure won’t be able to completely shut off the rain but rain chances will be 30-40% Thursday through Saturday.
Updated: Jul. 6, 2022 at 7:49 PM CDT
|By Jay Grymes
-High pressure will be the dominant weather feature as we conclude the week. But moisture levels will remain very high leading to continual rain chances.
Updated: Jul. 5, 2022 at 7:08 PM CDT
|By Jay Grymes
Rain chances climb higher over the next couple of days as a weak disturbance moves east-to-west along the northern Gulf Coast.
Updated: Jul. 4, 2022 at 10:31 PM CDT
|By Jay Grymes
Happy July 4th! A couple of showers could linger into the mid to late evening hours and expect widespread rains over the next couple of days.
Updated: Jul. 3, 2022 at 10:31 PM CDT
|By Jay Grymes
We’ll have a mix of sun and clouds today, with a 30% chance of afternoon storms, highs in the low 90s.
Updated: Jun. 30, 2022 at 10:32 PM CDT
|By Jay Grymes
Plan for mostly-dry morning starts for Friday and Saturday with daybreak temperatures in the low to mid 70°s.
Updated: Jun. 29, 2022 at 5:32 PM CDT
|By Jay Grymes
The Storm Team is not anticipating any significant changes in the weather pattern for the next few days.
Updated: Jun. 28, 2022 at 9:36 PM CDT
|By Jay Grymes
Expect scattered-to-numerous mainly-afternoon showers and t-storms right through the July 4th weekend. We also continue to watch a tropical disturbance in the western Gulf.
Updated: Jun. 27, 2022 at 8:44 PM CDT
|By Jay Grymes
Mother Nature has flipped the script on our June weather with a return of scattered to numerous t-showers this week and a break from the run of near-record high temperature.
Updated: Jun. 21, 2022 at 3:48 PM CDT
|By Jay Grymes
The NWS has issued a HEAT ADVISORY for the entire WAFB area for Wednesday, running from 10 AM through 7PM. Additional advisories are expected each day through Sunday.
Updated: Jun. 20, 2022 at 7:35 PM CDT
|By Jay Grymes
Heat remains the key weather story this week although spotty-to-isolated showers will be possible each of the next three days.
Updated: Jun. 16, 2022 at 10:38 PM CDT
|By Jay Grymes
Today will have the best chance for rain that we will see for the entire 10-day forecast.
Updated: Jun. 15, 2022 at 6:33 PM CDT
|By Jay Grymes
The Storm Team expects scattered mainly afternoon t-showers for Thursday but only spotty-to-isolated afternoon and evening t-showers for Friday and the Father’s Day weekend.
Updated: Jun. 14, 2022 at 4:48 PM CDT
|By Jay Grymes
The Louisiana DEQ has issued another AIR QUALITY ALERT for Wednesday in response to the continued influx of Saharan dust.
Updated: Jun. 13, 2022 at 6:34 PM CDT
|By Jay Grymes
A ridge of high pressure will keep us mainly dry for the next couple of days with highs expected to return to the mid 90°s for many WAFB neighborhoods.
Updated: Jun. 10, 2022 at 10:35 PM CDT
|By Jay Grymes
A SEVERE THUNDERSTORM WATCH remains in effect until 10 p.m. Friday with a “SLIGHT to ENHANCED RISK” of severe storms for the entire viewing area.
Updated: Jun. 9, 2022 at 10:32 PM CDT
|By Jay Grymes
Expect a mostly-quiet radar overnight and into Friday morning although the Storm Team can’t completely rule out spotty showers, especially for Friday morning.
Updated: Jun. 8, 2022 at 6:40 PM CDT
|By Jay Grymes
Highs will once again reach the mid 90s for many of us, with heat index values peaking near or a little above 100° during the afternoon.
Updated: Jun. 7, 2022 at 6:34 PM CDT
|By Jay Grymes
We stay mainly dry under fair to partly cloudy skies through Wednesday with highs in the mid 90°s for most WAFB neighborhoods.
Updated: Jun. 6, 2022 at 7:03 PM CDT
|By Jay Grymes
The dry pattern will continue into mid-week. Morning lows on Tuesday and Wednesday will be in the low 70°s with afternoon highs in the low to mid 90°s.
Updated: Jun. 6, 2022 at 12:35 AM CDT
|By Jay Grymes
Sunday afternoon thundershowers will taper off into the evening and things will quiet down overnight. Expect a morning start on Monday around 70° to the low 70°s.
Updated: Jun. 2, 2022 at 4:45 PM CDT
|By Jay Grymes
Rains will taper off into the night but scattered showers and a few storms return by Friday afternoon. The good news is that Saturday and Sunday look much drier.
Updated: Jun. 1, 2022 at 7:15 PM CDT
|By Jay Grymes, Steve Caparotta, Jeff Morrow and Jared Silverman
Wednesday, June 1, marks the first day of the 2022 Atlantic Hurricane Season. Are you prepared?
Updated: Jun. 1, 2022 at 6:34 PM CDT
|By Jay Grymes
Keeping scattered afternoon t-showers in the forecast for Thursday and Friday, then turning drier and a little hotter for the weekend.
Updated: May. 31, 2022 at 6:42 PM CDT
|By Jay Grymes
Increasing moisture moving inland from the Gulf of Mexico will lead to somewhat better rain chances today. Gulf moisture will keep summer-like humidity in place through the workweek.
Updated: May. 30, 2022 at 6:34 PM CDT
|By Jay Grymes
After a mostly-dry Memorial Day weekend, we bring scattered t-showers into the picture for Tuesday. After that, however, it’s a drier pattern.
Updated: May. 27, 2022 at 10:30 PM CDT
|By Jay Grymes
Much quieter weather can be expected over the next several days in the wake of a cold front that moved through early Thursday.
Updated: May. 26, 2022 at 10:28 PM CDT
|By Jay Grymes
Mainly sunny skies are expected for Friday, Saturday, and Sunday. Morning starts for Baton Rouge will be in the low to mid 60°s for those three days.
Updated: May. 25, 2022 at 7:51 PM CDT
|By Jay Grymes
Showers and t-storms, some heavy, are likely through the lunch hour and into the afternoon.
Updated: May. 20, 2022 at 6:32 PM CDT
|By Jay Grymes
Saturday stays dry through mid-day but scattered thundershowers will develop in the area on Saturday afternoon: set rain chances at 30% to 40%.
Updated: May. 19, 2022 at 10:57 PM CDT
|By Jay Grymes
The high pressure lid on the atmosphere that has kept us dry for the last few days will weaken over the weekend, allowing for scattered showers and storms.
Updated: May. 16, 2022 at 4:03 PM CDT
|By Jay Grymes
High pressure will return this week, putting the brakes on significant rain chances while combining with Gulf humidity to give communities a real summer-like feel each day.
Updated: May. 10, 2022 at 3:52 PM CDT
|By Jay Grymes
Still dealing with warmer-than-normal days that will continue through the weekend and into next week. Scattered rains return to the forecast for Thursday through Sunday.
Updated: May. 9, 2022 at 3:30 PM CDT
|By Jay Grymes
Mother’s Day was the first 90° afternoon for Baton Rouge but the forecast for this week calls for highs of 90° or more to continue through Friday.
Updated: May. 6, 2022 at 10:30 PM CDT
|By Jay Grymes
Plan for a run of dry days that extends through the weekend and into the middle of next week, at least.
Updated: May. 5, 2022 at 4:32 PM CDT
|By Jay Grymes
Be ready for showers and storms overnight and into the pre-dawn hours of Friday. The overall severe weather threat has been lowered.
Updated: May. 4, 2022 at 3:24 PM CDT
|By Jay Grymes
Temperatures come close to 90° Wednesday afternoon and increasing humidity levels will certainly make it feel like the low 90°s, even if the air temperature doesn’t quite make it.
Updated: May. 3, 2022 at 4:28 PM CDT
|By Jay Grymes
Spring is apparently taking a hiatus as summer has arrived early, and the heat and humidity are going to be the main weather story for the rest of this week and into next week as well.