textproduct: Jackson

KEY MESSAGES

- Temperatures will average 15 or more degrees above normal through the end of the week. Record or near record high temperatures are forecast today, Friday, and Saturday.

- Showers/storms are possible Thursday and Thursday night with a passing disturbance, with potentially greater chances this weekend with a cold front.

- Much cooler weather is expected Sunday into early next week, with the potential for patchy frost in the coldest locations Monday morning.

LONG TERM

(Friday through Wednesday) Issued at 301 PM EDT WED APR 15 2026

At the onset of the long term period, Friday morning, a highly amplified trough over the Rockies, is balanced out by a ridge over Eastern CONUS and the Great Lakes. Resultant weather will be mostly sunny skies with temperatures warming into the mid 80s for most. Increasing clouds are expected overnight with the Rockies system progressing into the Northern Plains. Temperatures will cool into upper 50s to low 60s. A trailing cold front will cut through the Mississippi Valley Saturday morning, progressing east trough the day. The cold front will pass through Eastern Kentucky sometime Saturday afternoon into the early evening. Shower and storm chances will increase over Eastern Kentucky from northwest to southeast through the afternoon into the evening and overnight hours. Showers and storms are then expected to taper off from northwest to southeast through Sunday. Temperatures Saturday, ahead of the cold front, will warm into the mid to upper 80s for most, under southwesterly winds. At night, with winds becoming west to northwesterly, cold air advecting in behind the cold front will cool temperatures into the mid to upper 40s.

Sunday, as remaining showers taper off, the cold front is modeled southeast of the area. Temperatures will be much cooler across the area, some 20-25 degrees cooler in fact, ranging from the upper 50s to low 60s. Clouds should diminish through the afternoon as the trough begins to depart the area. However, Eastern Kentucky looks to be on the backside of the trough heading into Sunday night. With cold air still advecting in under light northwesterly winds and clearing skies, temperatures are expected to drop into the mid to upper 30s in most areas. This could lead to patchy areas of frost heading into Monday morning.

High rises look to occur Monday, leading to mostly sunny skies, and highs in the low to mid 60s. Temperatures remain depressed under northwesterly winds. At night, temperatures cool into lower 40s. Tuesday, a shortwave looks to skirt through the Upper Great Lakes and its main effects should remain north of the area. conditions will feature a mix of sun and clouds under southerly winds and seasonable temperatures warming into the mid 70s.

A low passing through the Great Lakes will have a trailing cold front moving through the Ohio Valley. There is an isolated chances of showers and thunderstorms next Wednesday as a result. Temperatures will still warm into the mid to upper 70s.

AVIATION

(For the 18Z TAFS through 18Z Thursday afternoon) ISSUED AT 125 PM EDT WED APR 15 2026

VFR conditions prevailed at the 18Z TAF issuance with low level clouds gradually diminishing/mixing out across the region. Southwest winds were generally in the 5 to 12KT range with gusts to near 20KT. These should persist for the first few hours of the period and then diminish near 00Z. Winds should again increase after sunrise on Thursday as a disturbance nears. This system will result in an increase in moisture and low to mid level clouds near the end of the period and isolated to scattered showers may occur for the more western locations, KSME, KIOB, and KSYM by the end of the TAF period.

JKL WATCHES/WARNINGS/ADVISORIES

None.