textproduct: Springfield

KEY MESSAGES

- Isolated showers and thunderstorms this afternoon and evening mainly across the eastern Ozarks. Primary hazards are localized heavy rainfall and lightning.

- A Heat Advisory is in effect for today and Tuesday, with heat index values between 100 to 110 degrees. The hottest day occurs on Tuesday.

- Seasonable temperatures mid to late week, with rain chances returning late Thursday into Friday.

SHORT TERM /THROUGH TONIGHT/

Issued at 1233 PM CDT Mon Jul 20 2026

The heat is on across the region as an upper level ridge remains over the western two thirds of the CONUS this afternoon. With southwesterly surface winds bringing warm air and moisture into the region, temperatures were in the upper 80s to lower 90s early this afternoon with hit index values from 95 to 105. By the time the area hits peak heating this afternoon, some locations will see heat index values from 100 to 110 with light southwest winds offering little help.

Little in the way of change is expected overnight with lows in the middle 70s to around 80 degrees, which will offer very little relief. As a result, the Head Advisory remains in effect from 1pm today through 7pm Tuesday.

AVIATION /18Z TAFS THROUGH 18Z TUESDAY/

Issued at 1227 PM CDT Mon Jul 20 2026

The Ozarks will remain under the influence of an upper level ridge with VFR flight conditions forecast through the TAF period. There remains a low chance of an isolated shower or thunderstorm this afternoon, mainly east of the regions TAF locations. Confidence in both occurrence and impact remains rather low so did not include in the current TAFs.

Winds will remain light (generally less than 10 kt) and prevail out of the west-southwest.

SGF WATCHES/WARNINGS/ADVISORIES

KS...Heat Advisory until 7 PM CDT Tuesday for KSZ073-097-101. MO...Heat Advisory until 7 PM CDT Tuesday for MOZ055>058-066>071- 077>083-088>098-101>106.