Longview, IL Weather & Growing Conditions
Overnight
68°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 68. Southeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Slight Chance Showers And Thunderstorms | 6 mph SE | 16% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 5 to 8 mph SSE | 39% |
| Saturday Night | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph S | 15% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 3 to 10 mph N | 53% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 14 mph NE | 62% |
| Monday | 69°F | Showers And Thunderstorms Likely | 15 mph NE | 71% |
| Monday Night | 54°F | Chance Rain Showers | 12 to 16 mph NE | 49% |
| Tuesday | 67°F | Chance Showers And Thunderstorms | 14 mph NE | 27% |
| Tuesday Night | 52°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 14 mph NNE | 27% |
| Wednesday | 70°F | Mostly Sunny | 10 mph NNE | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 9 mph NNE | 6% |
| Thursday | 71°F | Partly Sunny | 8 mph NNE | 2% |
| Thursday Night | 54°F | Partly Cloudy | 7 mph NNE | 2% |
| Friday | 74°F | Mostly Sunny | 6 to 9 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Longview, IL
Last spring frost
Apr 15
First fall frost
Oct 20
Growing season
188 days
Hardiness zone
6a
Explore more for Longview, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Tuscola, Il (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.