Omaha, IL Weather & Growing Conditions
Overnight
58°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 58, with temperatures rising to around 60 overnight. South wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Showers And Thunderstorms | 7 to 13 mph S | 80% |
| Wednesday | 66°F | Mostly Cloudy | 6 to 12 mph WSW | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 3 mph WSW | 0% |
| Thursday | 67°F | Sunny | 2 to 9 mph WSW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph W | 5% |
| Friday | 61°F | Partly Sunny | 2 to 10 mph NNW | 6% |
| Friday Night | 39°F | Mostly Cloudy | 2 to 8 mph NNW | 2% |
| Saturday | 57°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 61°F | Sunny | 0 to 7 mph WNW | 6% |
| Sunday Night | 34°F | Mostly Clear | 1 to 5 mph WNW | 6% |
| Monday | 64°F | Sunny | 1 to 8 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 68°F | Sunny | 2 to 6 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Omaha, IL
Last spring frost
Apr 15
First fall frost
Oct 19
Growing season
183 days
Hardiness zone
7a
Explore more for Omaha, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carmi 3, Il (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.