Knierim, IA Weather & Growing Conditions
Today
77°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 73 in the afternoon. North wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms | 9 mph N | 83% |
| Tonight | 58°F | Showers And Thunderstorms Likely | 2 to 7 mph N | 57% |
| Wednesday | 76°F | Partly Sunny | 5 mph NE | 10% |
| Wednesday Night | 53°F | Mostly Clear | 1 mph ENE | 2% |
| Thursday | 81°F | Sunny | 0 to 5 mph S | 1% |
| Thursday Night | 60°F | Mostly Clear | 3 mph S | 2% |
| Friday | 86°F | Sunny | 2 to 8 mph S | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph S | 19% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms then Sunny | 2 to 10 mph S | 15% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SSE | 20% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SSE | 20% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 31% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph SE | 31% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 mph ENE | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Knierim, IA
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a
Explore more for Knierim, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Rockwell City, Ia (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.