7-Day Forecast 43.03°N 98.88°W (Text-Only)
NWS Forecast for: Fairfax SD
Issued by: National Weather Service Sioux Falls, SD
Last Update: 9:02 pm CDT Jul 12, 2025




Tonight: Mostly clear, with a low around 18. South southwest wind around 15 km/h.

Sunday: Sunny, with a high near 34. Southwest wind around 15 km/h becoming north northwest in the afternoon.

Sunday Night: Mostly clear, with a low around 18. North wind 10 to 15 km/h becoming south after midnight.

Monday: Sunny, with a high near 34. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.

Monday Night: Partly cloudy, with a low around 21. South wind 20 to 25 km/h, with gusts as high as 40 km/h.

Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32. South wind 20 to 25 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 40 km/h.

Tuesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 17.

Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.

Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 14.

Thursday: Partly sunny, with a high near 24.

Thursday Night: Mostly cloudy, with a low around 15.

Friday: Partly sunny, with a high near 27.

Friday Night: Mostly cloudy, with a low around 17.

Saturday: Partly sunny, with a high near 28.



Fairfax SD
 43.03°N 98.88°W (Elev. 1949 m)

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