Allison, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allison, a city in Butler County, Iowa.
This Afternoon
65°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 65, with temperatures falling to around 61 in the afternoon. West northwest wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Allison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Showers And Thunderstorms Likely | 7 mph WNW | 71% |
| Tonight | 46°F | Showers And Thunderstorms Likely | 7 to 10 mph WNW | 68% |
| Wednesday | 52°F | Rain Showers Likely | 12 to 17 mph WSW | 59% |
| Wednesday Night | 42°F | Rain Showers Likely | 14 mph W | 60% |
| Thursday | 50°F | Rain Showers Likely | 13 mph NW | 70% |
| Thursday Night | 37°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph N | 16% |
| Friday | 48°F | Partly Sunny | 3 to 9 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NNW | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 7 mph WNW | 6% |
| Sunday Night | 36°F | Mostly Clear | 6 mph SW | 2% |
| Monday | 61°F | Mostly Sunny | 6 to 12 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Allison (42.752, -92.796). Updated through the day.
Growing snapshot for Allison
Last spring frost
Apr 27
First fall frost
Oct 8
Growing season
165 days
Hardiness zone
5a
More local growing data for Allison: nearby ZIP 50602 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Allison, Ia (0.9 mi from Allison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.