Hazardous Weather Conditions
Current conditions at
Sparta Community-Hunter Field Airport (KSAR)
Lat: 38.15°NLon: 89.7°WElev: 528ft.
Fair
96°F
36°C
| Humidity | 41% |
| Wind Speed | E 3 mph |
| Barometer | 30.07 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 17 Aug 12:15 pm CDT |
Extended Forecast for
Okawville IL
Heat Advisory August 17, 12:24pm until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
This Afternoon
High: 94 °F
Isolated
T-stormsTonight
Low: 75 °F
Isolated
T-storms then
Partly CloudyMonday
High: 96 °F
Patchy Fog
then Isolated
T-stormsMonday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 94 °F
Chance
T-stormsTuesday Night
Low: 72 °F
Chance
T-stormsWednesday
High: 87 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night
Low: 67 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 105. East wind 5 to 8 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Isolated showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 96. Heat index values as high as 107. East wind 3 to 5 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 74. Light and variable wind.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 88.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Okawville IL
38.44°N 89.56°W (Elev. 423 ft)
38.44°N 89.56°W (Elev. 423 ft)
11:21 am CDT Aug 17, 2025
12pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
