Smithwick, SD Weather Tomorrow

Tomorrow's weather forecast for Smithwick is supported by a complete 5 day outlook covering daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Smithwick area and around Fall River county, South Dakota.
Updated: Mon Sep 21st 2026 9:15 AM MDT
Smithwick, SD Weather – 9-21 – Scattered Showers
59° / 51°
Scattered Showers
Smithwick could see scattered showers with daytime highs of 59°F and nighttime lows near 51°F. Rainfall predicted to have a 68% chance with an estimated 0.04in. Wind will be moderate, blowing around 13mph on average and gusts of 19.9mph at 6 PM. High humidity with average of 88% is anticipated, the maximum being 96% at 10 PM and 72% being its lowest at 4 PM. Barometric pressure is its highest of 30.16inHg at 10 AM, a lowest point of 30.08inHg at 5 PM with an avg 30.12inHg.
Smithwick, SD Weather – 9-22 – Fog
75° / 48°

Weather Tomorrow

Fog
Smithwick could see fog with daytime highs of 75°F and nighttime lows near 48°F. There's a moderate 27% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 19mph on average and gusts of 24.8mph at 5 PM. High humidity with average of 82% is anticipated, the maximum being 99% at 6 AM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 30.14inHg at 12 AM, a lowest point of 29.85inHg at 5 PM with an avg 30.01inHg.
Smithwick, SD Weather – 9-23 – Overcast
79° / 57°
Overcast
Skies will be overcast in Smithwick, with a high of 79°F and a low of 57°F. There might be light rainfall having a 13% chance. Wind will be moderate, blowing around 15mph on average and gusts of 21.6mph at 10 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 93% at 1 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.89inHg at 4 PM with an avg 29.93inHg.
Smithwick, SD Weather – 9-24 – Overcast
76° / 60°
Overcast
Cloud-filled skies are in the forecast for Smithwick, with a high of 76°F and a low of 60°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 9mph and gusts of 18.8mph at 4 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 58% at 7 AM and 33% being its lowest at 5 PM. Barometric pressure is its highest of 30.07inHg at 9 AM, a lowest point of 29.97inHg at 5 PM with an avg 30.02inHg.
Smithwick, SD Weather – 9-25 – Sunny
77° / 57°
Sunny
Smithwick is set for a sunny day with temperatures peaking at 77°F and dipping to 57°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 12mph on average and gusts of 19.7mph at 12 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 86% at 6 AM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 30.01inHg at 1 AM, a lowest point of 29.81inHg at 6 PM with an avg 29.91inHg.
Smithwick, SD Weather – 9-26 – Sunny
86° / 57°
Sunny
It will be sunny in Smithwick, with a high of 86°F and a low of 57°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 18mph on average and gusts of 22.2mph at 12 PM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 88% at 4 AM and 12% being its lowest at 3 PM. Barometric pressure is its highest of 29.86inHg at 11 PM, a lowest point of 29.68inHg at 3 PM with an avg 29.78inHg.

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