| NWS Forecast for: Postville IA Issued by: National Weather Service La Crosse Last Update: 12:36 pm CST Jan 21, 2026 | |
This Afternoon: Snow, mainly after 2pm. The snow could be heavy at times. High near -4. West wind 13 to 21 km/h, with gusts as high as 40 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 centimeters possible. Tonight: A 30 percent chance of snow, mainly before 7pm. Patchy blowing snow between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around -15. Wind chill values as low as -22. Blustery, with a northwest wind 30 to 40 km/h decreasing to 13 to 23 km/h. Winds could gust as high as 65 km/h. Thursday: A chance of flurries between 8am and 4pm. Partly sunny, with a high near -9. Wind chill values as low as -22. Northwest wind 11 to 16 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 45 km/h. Thursday Night: Mostly clear, with a low around -28. Wind chill values as low as -40. Northwest wind 18 to 23 km/h, with gusts as high as 45 km/h. Friday: Sunny and cold, with a high near -23. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h. Friday Night: Mostly cloudy, with a low around -27. Northwest wind 5 to 10 km/h becoming calm after midnight. Saturday: Partly sunny and cold, with a high near -18. Calm wind. Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around -24. East wind 3 to 8 km/h. Sunday: A 20 percent chance of snow before noon. Partly sunny, with a high near -14. Northeast wind 8 to 10 km/h becoming northwest in the morning. Sunday Night: Partly cloudy, with a low around -24. Northwest wind around 10 km/h. Monday: Mostly sunny, with a high near -14. Southwest wind 10 to 14 km/h. Monday Night: Mostly clear, with a low around -18. Southwest wind around 11 km/h. Tuesday: Mostly sunny, with a high near -8. West wind 10 to 13 km/h. | |
| Postville IA 43.08°N 91.56°W | |
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