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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 | Tuesday, November 4 | potential too low |
| Day 5 | Wednesday, November 5 | potential too low |
| Day 6 | Thursday, November 6 | potential too low |
| Day 7 | Friday, November 7 | predictability too low |
| Day 8 | Saturday, November 8 | predictability too low |
ZCZC SPCSWOD48 ALL ACUS48 KWNS 010839 SPC AC 010839
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0339 AM CDT Sat Nov 01 2025
Valid 041200Z - 091200Z
DISCUSSION
Tuesday/Day 4 to Thursday/Day 6
From Tuesday into Wednesday, a mid-level ridge is forecast to move eastward into the central U.S., as a trough moves onto the West Coast. As the trough moves inland Wednesday afternoon, thunderstorms will be possible along the West Coast from northern California to Washington. This trough is forecast to move quickly eastward into the central Plains on Thursday. Isolated thunderstorms may develop Thursday night ahead of the trough in parts of the Ozarks and mid Mississippi Valley. The severe potential should remain limited due to weak instability ahead of the trough.
Friday/Day 7 and Saturday/Day 8
As the mid-level trough progresses eastward into the Ohio Valley on Friday, isolated to scattered thunderstorms will be possible during the day. A marginal severe threat will be possible, if enough instability can develop.
On Saturday, a large-scale mid-level trough is forecast to form over the central U.S. Ahead of this feature, some low-level moisture is expected to return into the lower to mid Mississippi Valley. Although instability is forecast to be weak ahead of the system, an isolated severe threat would be possible across parts of the Ohio and Tennessee Valleys Saturday night. However, uncertainty is substantial at this extended range.
..Broyles.. 11/01/2025
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