Hazardous Weather Conditions
Current conditions at
Mount Sterling, Mount Sterling Municipal Airport (KI63)
Lat: 39.99°NLon: 90.8°WElev: 732ft.
Fair
94°F
34°C
| Humidity | 69% |
| Wind Speed | W 3 mph |
| Barometer | 29.87 in |
| Dewpoint | 82°F (28°C) |
| Visibility | 10.00 mi |
| Heat Index | 118°F (48°C) |
| Last update | 26 Jul 5:55 pm CDT |
Extended Forecast for
Frederick IL
Extreme Heat Warning July 26, 06:08pm until July 27, 09:00pm
NOW until 9:00pm Mon
Extreme Heat Warning
Tonight
Low: 76 °F
Slight Chance
T-storms then
Partly CloudyMonday

High: 95 °F
Hot
Monday Night

Low: 75 °F
Partly Cloudy
Tuesday

High: 89 °F
Mostly Sunny
Tuesday Night

Low: 67 °F
Mostly Clear
Wednesday

High: 87 °F
Sunny
Wednesday Night

Low: 65 °F
Clear
Thursday

High: 88 °F
Sunny
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. West wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 110. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 75. West southwest wind 5 to 7 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 89. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87. Light east northeast wind.
Wednesday Night
Clear, with a low around 65. Calm wind.
Thursday
Sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Friday
A 50 percent chance of showers. The rain could be heavy at times. Partly sunny, with a high near 81.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 86.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Frederick IL
40.06°N 90.43°W (Elev. 440 ft)
40.06°N 90.43°W (Elev. 440 ft)
5:26 pm CDT Jul 26, 2026
6pm CDT Jul 26, 2026-6pm CDT Aug 2, 2026



