Old Shawneetown, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Old Shawneetown, a village in Gallatin County, Illinois.
This Afternoon
100°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny. High near 100, with temperatures falling to around 98 in the afternoon. Heat index values as high as 106. West southwest wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Old Shawneetown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Slight Chance Showers And Thunderstorms | 6 mph WSW | 17% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SE | 21% |
| Saturday | 98°F | Sunny | 1 to 7 mph SSW | 5% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph SSW | 3% |
| Sunday | 97°F | Sunny | 3 to 7 mph WSW | 5% |
| Sunday Night | 70°F | Partly Cloudy | 2 to 6 mph NNE | 8% |
| Monday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph N | 35% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 43% |
| Tuesday | 79°F | Chance Showers And Thunderstorms | 7 to 12 mph N | 37% |
| Tuesday Night | 58°F | Mostly Cloudy | 5 to 13 mph N | 9% |
| Wednesday | 77°F | Mostly Sunny | 5 to 9 mph N | 5% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 9 mph NNE | 4% |
| Thursday | 78°F | Mostly Sunny | 3 to 8 mph N | 3% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 8 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Old Shawneetown (37.697, -88.139). Updated through the day.
Growing snapshot for Old Shawneetown
Last spring frost
Apr 5
First fall frost
Oct 31
Growing season
209 days
Hardiness zone
7a
More local growing data for Old Shawneetown: nearby ZIP 62984 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jt Myers Locks & Dam, In (8.8 mi from Old Shawneetown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.