Hayley here - Do you want to see severe weather in your calendar?
* it's like an add-on for your digital calendar NOT a paper calendar
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Saturday, September 19 | potential too low |
| Day 5 | Sunday, September 20 | potential too low |
| Day 6 | Monday, September 21 | potential too low |
| Day 7 | Tuesday, September 22 | potential too low |
| Day 8 | Wednesday, September 23 | potential too low |
ZCZC SPCSWOD48 ALL ACUS48 KWNS 160856 SPC AC 160856
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0356 AM CDT Wed Sep 16 2026
Valid 191200Z - 241200Z
DISCUSSION
Latest medium-range model output suggests that modest pre-frontal surface troughing across the Texas/Oklahoma Panhandle vicinity through south central/eastern Kansas, and perhaps the slow moving frontal zone across northeastern Kansas through northern Missouri/southeastern Iowa, may provide focus for scattered strong thunderstorm development late Saturday afternoon into evening. This may be supported by forcing for ascent downstream of weak larger-scale mid-level troughing slowly progressing across the Rockies into Great Plains, with deep boundary-layer mixing along the surface trough and higher boundary-layer moisture content along the frontal zone contributing to thermodynamic profiles potentially conducive to severe weather. However, with the belt of stronger lower/mid-tropospheric flow associated with a preceding impulse tending to weaken and/or shift eastward near or to the south of the Great Lakes region, it still appears that this potential will remain relatively isolated in coverage and/or marginal in nature.
Thereafter, late this weekend through early next week, the spread among model output concerning the mid/upper flow evolution increases. However, even among the differing solutions, there is little readily apparent that indicates an increase in organized severe thunderstorm potential.
..Kerr.. 09/16/2026
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