Lomax, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lomax, a village in Henderson County, Illinois.
Tonight
68°F
Chance Showers And Thunderstorms
A slight chance of rain showers before 10pm, then a chance of showers and thunderstorms between 11pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lomax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph E | 60% |
| Sunday | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph N | 65% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 67% |
| Monday | 64°F | Showers And Thunderstorms | 10 mph NE | 80% |
| Monday Night | 55°F | Rain Showers Likely | 10 mph NE | 70% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 45% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 65°F | Partly Sunny | 5 mph NE | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Friday | 73°F | Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Saturday | 74°F | Mostly Sunny | 0 to 5 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov) for Lomax (40.679, -91.075). Updated through the day.
Growing snapshot for Lomax
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
185 days
Hardiness zone
6a
More local growing data for Lomax: nearby ZIP 61454 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Burlington 2S, Ia (7.6 mi from Lomax). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.