Postville, IA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Postville, IA in one place.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms. Mostly cloudy, with a high near 68. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Postville, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 1:30 PM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Postville, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 1:30 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Postville
Friday looks like the warmest upcoming period in Postville at 76 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 8 to 20 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 1:30 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely between 7pm and 11pm, then patchy fog and a chance of showers and thunderstorms between 11pm and 4am, then patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Patchy fog and a slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 70. West wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly clear, with a low around 53. South wind 5 to 8 mph.
Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 76. South wind 8 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 35. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers. Partly sunny, with a high near 44. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
A chance of rain showers before 7pm, then a slight chance of snow showers between 7pm and 1am. Partly cloudy, with a low around 28. Northwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunny, with a high near 49. Northwest wind around 13 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 31. Southwest wind 6 to 9 mph.
Sunny, with a high near 61. South wind 6 to 14 mph.
Mostly clear, with a low around 46. South wind around 13 mph, with gusts as high as 22 mph.
Sunny, with a high near 67. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Partly cloudy, with a low around 46. Southwest wind 8 to 12 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 15
|
Chance Showers And Thunderstorms
|
68°F |
5 mph
W
|
|
Tonight
Apr 15
|
Showers And Thunderstorms Likely then Patchy Fog
|
51°F |
5 mph
NE
|
|
Thursday
Apr 16
|
Patchy Fog
|
70°F |
7 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
53°F |
5 to 8 mph
S
|
|
Friday
Apr 17
|
Partly Sunny then Showers And Thunderstorms Likely
|
76°F |
8 to 20 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms Likely
|
35°F |
15 mph
SW
|
|
Saturday
Apr 18
|
Chance Rain Showers
|
44°F |
14 to 18 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Snow Showers
|
28°F |
10 to 20 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
49°F |
13 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
31°F |
6 to 9 mph
SW
|
|
Monday
Apr 20
|
Sunny
|
61°F |
6 to 14 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
13 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
67°F |
10 to 14 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
46°F |
8 to 12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Postville.