| NWS Forecast for: Postville IA Issued by: National Weather Service La Crosse Last Update: 3:16 pm CST Jan 20, 2026 |  |
Tonight: Snow before 3am, then a chance of flurries between 3am and 5am. Low around -13. South wind 5 to 8 km/h becoming calm. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 centimeters possible. Wednesday: Snow, mainly between 2pm and 5pm. High near -4. Wind chill values as low as -18. Breezy, with a southwest wind 8 to 13 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 48 km/h. Chance of precipitation is 90%. New snow accumulation of 1 to 3 centimeters possible. Wednesday Night: A 20 percent chance of snow before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -16. Wind chill values as low as -23. Breezy, with a northwest wind 24 to 29 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 50 km/h. Thursday: Mostly sunny, with a high near -11. Wind chill values as low as -24. West wind 13 to 21 km/h, with gusts as high as 34 km/h. Thursday Night: Partly cloudy, with a low around -28. Northwest wind 16 to 21 km/h. Friday: Sunny and cold, with a high near -22. Northwest wind 11 to 16 km/h, with gusts as high as 29 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. Northwest wind 3 to 8 km/h. Saturday Night: Mostly cloudy, with a low around -23. Calm wind. Sunday: Mostly sunny and cold, with a high near -15. West wind 5 to 10 km/h. Sunday Night: Partly cloudy, with a low around -23. West wind around 10 km/h. Monday: Sunny, with a high near -12. West wind 10 to 13 km/h. Monday Night: Partly cloudy, with a low around -17. Southwest wind around 11 km/h. Tuesday: Mostly sunny, with a high near -7. Southwest wind around 11 km/h. | |
| Postville IA 43.08°N 91.56°W | |
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