Glenwood, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenwood, a city in Mills County, Iowa.
Today
82°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. North northeast wind 3 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Glenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 13 mph NNE | 49% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Patchy Smoke | 8 to 13 mph NNE | 88% |
| Wednesday | 73°F | Showers And Thunderstorms | 9 mph NE | 83% |
| Wednesday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph ENE | 19% |
| Thursday | 81°F | Mostly Sunny | 5 mph E | 2% |
| Thursday Night | 64°F | Mostly Clear | 5 mph SE | 9% |
| Friday | 86°F | Sunny | 5 to 9 mph S | 9% |
| Friday Night | 69°F | Mostly Clear | 8 mph SSE | 4% |
| Saturday | 90°F | Sunny | 5 to 14 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 10 to 14 mph S | 8% |
| Sunday | 92°F | Mostly Sunny | 9 to 14 mph S | 8% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms | 15 mph SSE | 15% |
| Monday | 93°F | Mostly Sunny | 12 to 16 mph S | 13% |
| Monday Night | 74°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 22% |
Forecast source: National Weather Service (api.weather.gov) for Glenwood (41.045, -95.741). Updated through the day.
Growing snapshot for Glenwood
Last spring frost
Apr 23
First fall frost
Oct 11
Growing season
170 days
Hardiness zone
6a
More local growing data for Glenwood: nearby ZIP 51534 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Glenwood 3Sw, Ia (3.6 mi from Glenwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.