Somonauk, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Somonauk, IL in one place.
Sunny, with a high near 86. West wind 5 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Somonauk, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 12, 2026 4:02 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Somonauk, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:02 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Somonauk
Tuesday looks like the warmest upcoming period in Somonauk at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 20 to 25 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:02 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 64. North northwest wind around 5 mph. Chance of precipitation is 90%.
Rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 90%.
A chance of rain showers. Mostly cloudy, with a low around 56.
A chance of rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 69.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 48.
Partly sunny, with a high near 59.
Partly cloudy, with a low around 35.
Sunny, with a high near 57.
Clear, with a low around 37.
Sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
86°F |
5 to 15 mph
W
|
|
Tuesday Night
Oct 13
|
Showers And Thunderstorms
|
64°F |
5 mph
NNW
|
|
Wednesday
Oct 14
|
Rain Showers
|
73°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
56°F |
10 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
69°F |
10 mph
ENE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
48°F |
10 to 20 mph
NNW
|
|
Friday
Oct 16
|
Partly Sunny
|
59°F |
20 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
35°F |
5 to 20 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
57°F |
5 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
37°F |
5 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
10 to 15 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Somonauk.