
Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.
Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >
Hazardous Weather Conditions
Current conditions at
Sterling Rockfalls (KSQI)
Lat: 41.74°NLon: 89.67°WElev: 643ft.
Overcast
62°F
17°C
| Humidity | 80% |
| Wind Speed | N 9 mph |
| Barometer | 30.01 in (1016.0 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 14 Oct 6:56 am CDT |
Extended Forecast for
Lyndon IL
Today

High: 68 °F
Cloudy
Tonight
Low: 54 °F
Cloudy then
Slight Chance
ShowersThursday

High: 63 °F
Showers
Thursday Night

Low: 45 °F
Showers
Likely and
BreezyFriday

High: 55 °F
Partly Sunny
and BreezyFriday Night

Low: 33 °F
Mostly Clear
then FrostSaturday

High: 57 °F
Frost then
SunnySaturday Night

Low: 39 °F
Clear
Sunday

High: 66 °F
Sunny
Detailed Forecast
Today
Cloudy, with a high near 68. Northeast wind 5 to 10 mph.
Tonight
A 20 percent chance of showers after 1am. Cloudy, with a low around 54. East wind 5 to 10 mph.
Thursday
Showers and possibly a thunderstorm before 3pm, then showers likely between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 63. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Mostly cloudy, with a low around 45. Breezy, with a northwest wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 55. Breezy.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lyndon IL
41.72°N 89.91°W (Elev. 600 ft)
41.72°N 89.91°W (Elev. 600 ft)
5:51 am CDT Oct 14, 2026
7am CDT Oct 14, 2026-6pm CDT Oct 20, 2026



