La Prairie, IL Weather Forecast

Local 7-day forecast

66°
F

Showers And Thunderstorms then Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for La Prairie, IL in one place.

Saturday, April 18, 2026
Wind: 16 mph W
Saturday

Showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 66. Chance of precipitation is 80%.

Local 7-day forecast

Local Weather Overview

This forecast page for La Prairie, 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: Apr 13, 2026 1:19 PM CDT.

The active forecast window currently covers Apr 18 to Apr 19, 2026 for La Prairie, IL.

Page Snapshot

Page focus
city weather
Forecast window
Apr 18 to Apr 19, 2026
Latest sync
Apr 13, 2026 1:19 PM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
66°F
Saturday
Next Low
39°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
16 mph
Saturday

Daily Outlook

Today
Apr 18
Showers And Thunderstorms then Chance Showers And Thunderstorms
66 °F
/ 39°F
Wind 16 mph
Sun
Apr 19
Sunny
60 °F
/ 41°F
Wind 12 mph

This Week in La Prairie

Saturday looks like the warmest upcoming period in La Prairie at 66 degrees F.

Saturday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Saturday at about 16 mph W.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Apr 13, 2026 1:19 PM CDT
Coverage
2 days
Time zone
America/Chicago
Forecast office
LSX
Radar station
KILX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Apr 18
39°F
Chance Rain Showers
10 to 14 mph NW

A chance of rain showers before 1am. Partly cloudy, with a low around 39. Chance of precipitation is 30%.

Sunday
Apr 19
60°F
Sunny
12 mph NW

Sunny, with a high near 60.

Sunday Night
Apr 19
41°F
Mostly Clear
9 mph S

Mostly clear, with a low around 41.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 18
Showers And Thunderstorms then Chance Showers And Thunderstorms
66°F
16 mph
W
Saturday Night
Apr 18
Chance Rain Showers
39°F
10 to 14 mph
NW
Sunday
Apr 19
Sunny
60°F
12 mph
NW
Sunday Night
Apr 19
Mostly Clear
41°F
9 mph
S
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.