Millstadt, IL Weather Forecast

Local 7-day forecast

92°
F

Sunny then Slight Chance Showers And Thunderstorms

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

Saturday, July 18, 2026
Wind: 6 to 9 mph W
Saturday

A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. Heat index values as high as 102. West wind 6 to 9 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Millstadt, 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: Jul 17, 2026 10:35 AM CDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Millstadt, IL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 10:35 AM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
92°F
Saturday
Next Low
74°F
Saturday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
6 to 9 mph
Saturday

Daily Outlook

Today
Jul 18
Sunny then Slight Chance Showers And Thunderstorms
92 °F
/ 74°F
Wind 6 to 9 mph
Sun
Jul 19
Chance Showers And Thunderstorms
90 °F
/ 71°F
Wind 5 mph
Mon
Jul 20
Mostly Sunny
93 °F
/ 75°F
Wind 5 mph
Tue
Jul 21
Mostly Sunny
93 °F
/ 70°F
Wind 9 mph
Wed
Jul 22
Mostly Sunny
84 °F
/ 64°F
Wind 9 mph
Thu
Jul 23
Mostly Sunny
85 °F
/ 67°F
Wind 7 mph

This Week in Millstadt

Monday looks like the warmest upcoming period in Millstadt at 93 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.

The strongest winds are forecast for Saturday at about 6 to 9 mph W.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 10:35 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LSX
Radar station
KLSX

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

Open NOAA source

Extended Forecast

Saturday Night
Jul 18
74°F
Chance Showers And Thunderstorms
3 to 8 mph W

A chance of showers and thunderstorms. Partly cloudy, with a low around 74. West wind 3 to 8 mph. Chance of precipitation is 30%.

Sunday
Jul 19
90°F
Chance Showers And Thunderstorms
5 mph N

A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. North wind around 5 mph. Chance of precipitation is 30%.

Sunday Night
Jul 19
71°F
Chance Showers And Thunderstorms then Mostly Clear
5 mph E

A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Chance of precipitation is 30%.

Monday
Jul 20
93°F
Mostly Sunny
5 mph S

Mostly sunny, with a high near 93.

Monday Night
Jul 20
75°F
Mostly Clear
7 mph SW

Mostly clear, with a low around 75.

Tuesday
Jul 21
93°F
Mostly Sunny
9 mph NW

Mostly sunny, with a high near 93.

Tuesday Night
Jul 21
70°F
Partly Cloudy
9 mph N

Partly cloudy, with a low around 70.

Wednesday
Jul 22
84°F
Mostly Sunny
9 mph NE

Mostly sunny, with a high near 84.

Wednesday Night
Jul 22
64°F
Partly Cloudy
5 to 8 mph NE

Partly cloudy, with a low around 64.

Thursday
Jul 23
85°F
Mostly Sunny
7 mph E

Mostly sunny, with a high near 85.

Thursday Night
Jul 23
67°F
Partly Cloudy
3 to 7 mph E

Partly cloudy, with a low around 67.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Sunny then Slight Chance Showers And Thunderstorms
92°F
6 to 9 mph
W
Saturday Night
Jul 18
Chance Showers And Thunderstorms
74°F
3 to 8 mph
W
Sunday
Jul 19
Chance Showers And Thunderstorms
90°F
5 mph
N
Sunday Night
Jul 19
Chance Showers And Thunderstorms then Mostly Clear
71°F
5 mph
E
Monday
Jul 20
Mostly Sunny
93°F
5 mph
S
Monday Night
Jul 20
Mostly Clear
75°F
7 mph
SW
Tuesday
Jul 21
Mostly Sunny
93°F
9 mph
NW
Tuesday Night
Jul 21
Partly Cloudy
70°F
9 mph
N
Wednesday
Jul 22
Mostly Sunny
84°F
9 mph
NE
Wednesday Night
Jul 22
Partly Cloudy
64°F
5 to 8 mph
NE
Thursday
Jul 23
Mostly Sunny
85°F
7 mph
E
Thursday Night
Jul 23
Partly Cloudy
67°F
3 to 7 mph
E
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.