Fountain Creek, IL Weather Forecast

Local 7-day forecast

84°

Showers And Thunderstorms Likely

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

Wednesday, September 16, 2026

Wind: 0 to 5 mph NE

Wednesday

Showers and thunderstorms likely. Partly sunny, with a high near 84. Northeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Fountain Creek, 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: Sep 15, 2026 2:15 PM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Fountain Creek, IL.

Page Snapshot

Page focus: city weather
Forecast window: Sep 16 to Sep 21, 2026
Latest sync: Sep 15, 2026 2:15 PM CDT
Forecast office: LOT
Source: NOAA / NWS

Next High

84°F

Wednesday

Next Low

69°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 10 mph

Saturday

Daily Outlook

Today

Sep 16

Showers And Thunderstorms Likely

84 °F

/ 69°F

Wind 0 to 5 mph

Thu

Sep 17

Chance Showers And Thunderstorms

87 °F

/ 65°F

Wind 5 mph

Fri

Sep 18

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms

84 °F

/ 66°F

Wind 5 mph

Sat

Sep 19

Slight Chance Showers And Thunderstorms

88 °F

/ 66°F

Wind 5 to 10 mph

Sun

Sep 20

Showers And Thunderstorms Likely

79 °F

/ 58°F

Wind 5 to 10 mph

Mon

Sep 21

Slight Chance Showers And Thunderstorms

74 °F

/ 54°F

Wind 5 to 10 mph

This Week in Fountain Creek

Saturday looks like the warmest upcoming period in Fountain Creek at 88 degrees F.

Monday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph SSW.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated: Sep 15, 2026 2:15 PM 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 source

Extended Forecast

Wednesday Night

Sep 16

69°F

Chance Showers And Thunderstorms

0 mph

A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind around 0 mph. Chance of precipitation is 50%.

Thursday

Sep 17

87°F

Chance Showers And Thunderstorms

5 mph NW

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Northwest wind around 5 mph. Chance of precipitation is 50%.

Thursday Night

Sep 17

65°F

Slight Chance Showers And Thunderstorms

0 to 5 mph NNE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.

Friday

Sep 18

84°F

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms

5 mph ENE

A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Friday Night

Sep 18

66°F

Slight Chance Showers And Thunderstorms

5 mph SE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.

Saturday

Sep 19

88°F

Slight Chance Showers And Thunderstorms

5 to 10 mph SSW

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Saturday Night

Sep 19

66°F

Showers And Thunderstorms Likely

5 mph WSW

Showers and thunderstorms likely. Mostly cloudy, with a low around 66.

Sunday

Sep 20

79°F

Showers And Thunderstorms Likely

5 to 10 mph NNW

Showers and thunderstorms likely. Partly sunny, with a high near 79.

Sunday Night

Sep 20

58°F

Chance Showers And Thunderstorms

5 to 10 mph NNE

A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58.

Monday

Sep 21

74°F

Slight Chance Showers And Thunderstorms

5 to 10 mph NNE

A slight chance of showers and thunderstorms. Partly sunny, with a high near 74.

Monday Night

Sep 21

54°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

5 to 10 mph NE

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Sep 16	Showers And Thunderstorms Likely	84°F	0 to 5 mph NE	Showers and thunderstorms likely. Partly sunny, with a high near 84. Northeast wind 0 to 5 mph. Chance of precipitation...
Wednesday Night Sep 16	Chance Showers And Thunderstorms	69°F	0 mph	A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low...
Thursday Sep 17	Chance Showers And Thunderstorms	87°F	5 mph NW	A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a...
Thursday Night Sep 17	Slight Chance Showers And Thunderstorms	65°F	0 to 5 mph NNE	A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Friday Sep 18	Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms	84°F	5 mph ENE	A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm,...
Friday Night Sep 18	Slight Chance Showers And Thunderstorms	66°F	5 mph SE	A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday Sep 19	Slight Chance Showers And Thunderstorms	88°F	5 to 10 mph SSW	A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Saturday Night Sep 19	Showers And Thunderstorms Likely	66°F	5 mph WSW	Showers and thunderstorms likely. Mostly cloudy, with a low around 66.
Sunday Sep 20	Showers And Thunderstorms Likely	79°F	5 to 10 mph NNW	Showers and thunderstorms likely. Partly sunny, with a high near 79.
Sunday Night Sep 20	Chance Showers And Thunderstorms	58°F	5 to 10 mph NNE	A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with...
Monday Sep 21	Slight Chance Showers And Thunderstorms	74°F	5 to 10 mph NNE	A slight chance of showers and thunderstorms. Partly sunny, with a high near 74.
Monday Night Sep 21	Slight Chance Showers And Thunderstorms then Partly Cloudy	54°F	5 to 10 mph NE	A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Fountain Creek.

Region Links

Iroquois County weather

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National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.