Saint Charles, IA Weather Forecast

Local 7-day forecast

73°

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Saint Charles, IA in one place.

Wednesday, April 15, 2026

Wind: 13 mph W

Wednesday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 73. Chance of precipitation is 40%.

Local 7-day forecast

Local Weather Overview

This forecast page for Saint Charles, IA 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 10, 2026 12:36 PM CDT.

The active forecast window currently covers Apr 15 to Apr 16, 2026 for Saint Charles, IA.

Page Snapshot

Page focus: city weather
Forecast window: Apr 15 to Apr 16, 2026
Latest sync: Apr 10, 2026 12:36 PM CDT
Forecast office: DMX
Source: NOAA / NWS

Next High

73°F

Wednesday

Next Low

54°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

9 to 15 mph

Thursday

Daily Outlook

Today

Apr 15

Chance Showers And Thunderstorms

73 °F

/ 54°F

Wind 13 mph

Thu

Apr 16

Chance Rain Showers

79 °F

/ 51°F

Wind 9 to 15 mph

This Week in Saint Charles

Thursday looks like the warmest upcoming period in Saint Charles at 79 degrees F.

Thursday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Thursday at about 9 to 15 mph SSW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated: Apr 10, 2026 12:36 PM CDT
Coverage: 2 days
Time zone: America/Chicago
Forecast office: DMX
Radar station: KDMX

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

Open NOAA source

Extended Forecast

Wednesday Night

Apr 15

54°F

Slight Chance Showers And Thunderstorms

10 mph SSW

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

Thursday

Apr 16

79°F

Chance Rain Showers

9 to 15 mph SSW

A chance of rain showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

Thursday Night

Apr 16

51°F

Chance Showers And Thunderstorms

13 mph SSW

A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 51.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Apr 15	Chance Showers And Thunderstorms	73°F	13 mph W	A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with...
Wednesday Night Apr 15	Slight Chance Showers And Thunderstorms	54°F	10 mph SSW	A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Thursday Apr 16	Chance Rain Showers	79°F	9 to 15 mph SSW	A chance of rain showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Thursday Night Apr 16	Chance Showers And Thunderstorms	51°F	13 mph SSW	A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 51.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Saint Charles.

Region Links

Madison County weather

County forecast page

Iowa weather

Statewide weather overview

United States weather

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.