textproduct: Sioux Falls
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Temperatures remain below normal through Saturday. Temperatures moderate to near and above normal Sunday into early next week.
- Patchy light snow is likely through this morning and then again tonight into Friday morning, with the better chances west of the James River Valley. Accumulations around an inch or less expected through tonight.
- Wind chill values about -15 to -25 Friday morning, coldest north of I-90.
- Additional light snow chances continue this weekend, with the better chances Saturday afternoon and Saturday night. For now, around an inch or less is possible with the better chance north of I-90.
DISCUSSION
Issued at 242 AM CST Thu Jan 29 2026
A northwest to southeast waa band of light snow continues to affect south central SD early this morning, staying west and southwest of Sioux Falls. Best returns remain along the Missouri River. Expect this initial band to continue through morning. Hi-res models indicate a brief break in the afternoon before snow fills back in this evening and lingers into Friday morning on the edge of the arctic front with a high building in from the northeast. Up to half an inch of snow is expected with highest amounts west of Mitchell. With winds remaining light, the impact from this system is minimal.
When this round ends by Friday afternoon, all eyes turn to Saturday. Surface high pressure exits to the southeast and return flow sets up. Increasing southerly winds and an upper ridge mean warmer temperatures pushing in from the west on Saturday with highs along the MO in the mid 20s to lower 30s. However, an upper trough and sfc front quickly push in from the west bringing some additional light precipitation. Confidence in timing is still low. Winds appear to diminish slightly as snow starts falling on some models, but ensembles continue to bleed everything together. Any accumulations look light, around an inch or less with highest amounts north of I-90, but timing is everything because temperature, precipitation type and blowing snow potential revolve around it.
Temperatures return to near or above climo norms on Sunday and remain above average through next week.
AVIATION /12Z TAFS THROUGH 12Z FRIDAY/
Issued at 512 AM CST Thu Jan 29 2026
VFR conditions are expected through the next 24 hours with light winds.
FSD WATCHES/WARNINGS/ADVISORIES
SD...None. MN...None. IA...None. NE...None.
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