Thornburg, IA Weather Forecast

Local 7-day forecast

58°

Sunny

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

Sunday, April 19, 2026

Wind: 5 to 15 mph NW

Sunday

Sunny, with a high near 58.

Local 7-day forecast

Local Weather Overview

This forecast page for Thornburg, 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 16, 2026 7:48 AM CDT.

The active forecast window currently covers Apr 19 to Apr 22, 2026 for Thornburg, IA.

Page Snapshot

Page focus: city weather
Forecast window: Apr 19 to Apr 22, 2026
Latest sync: Apr 16, 2026 7:48 AM CDT
Forecast office: DVN
Source: NOAA / NWS

Next High

58°F

Sunday

Next Low

36°F

Sunday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 15 mph

Sunday

Daily Outlook

Today

Apr 19

Sunny

58 °F

/ 36°F

Wind 5 to 15 mph

Mon

Apr 20

Sunny

68 °F

/ 49°F

Wind 5 to 15 mph

Tue

Apr 21

Sunny

73 °F

/ 49°F

Wind 10 to 15 mph

Wed

Apr 22

Sunny

72 °F

Wind 10 to 15 mph

This Week in Thornburg

Tuesday looks like the warmest upcoming period in Thornburg at 73 degrees F.

Sunday Night is the coolest period ahead with temperatures near 36 degrees F.

The strongest winds are forecast for Sunday at about 5 to 15 mph NW.

The forecast from Apr 19 through Apr 22 stays mostly dry.

Forecast Details

Last updated: Apr 16, 2026 7:48 AM CDT
Coverage: 4 days
Time zone: America/Chicago
Forecast office: DVN
Radar station: KDMX

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

Open NOAA source

Extended Forecast

Sunday Night

Apr 19

36°F

Mostly Clear

5 to 10 mph E

Mostly clear, with a low around 36.

Monday

Apr 20

68°F

Sunny

5 to 15 mph SE

Sunny, with a high near 68.

Monday Night

Apr 20

49°F

Mostly Clear

10 to 15 mph S

Mostly clear, with a low around 49.

Tuesday

Apr 21

73°F

Sunny

10 to 15 mph SW

Sunny, with a high near 73.

Tuesday Night

Apr 21

49°F

Mostly Clear

10 to 15 mph SW

Mostly clear, with a low around 49.

Wednesday

Apr 22

72°F

Sunny

10 to 15 mph S

Sunny, with a high near 72.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Sunday Apr 19	Sunny	58°F	5 to 15 mph NW	Sunny, with a high near 58.
Sunday Night Apr 19	Mostly Clear	36°F	5 to 10 mph E	Mostly clear, with a low around 36.
Monday Apr 20	Sunny	68°F	5 to 15 mph SE	Sunny, with a high near 68.
Monday Night Apr 20	Mostly Clear	49°F	10 to 15 mph S	Mostly clear, with a low around 49.
Tuesday Apr 21	Sunny	73°F	10 to 15 mph SW	Sunny, with a high near 73.
Tuesday Night Apr 21	Mostly Clear	49°F	10 to 15 mph SW	Mostly clear, with a low around 49.
Wednesday Apr 22	Sunny	72°F	10 to 15 mph S	Sunny, with a high near 72.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Thornburg.

Sigourney

Population 1,980

Region Links

Keokuk 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.