Thornton, IA Weather Forecast

Local 7-day forecast

78°
F

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

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

Saturday, May 30, 2026
Wind: 7 to 18 mph ESE
Saturday

A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East southeast wind 7 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Thornton, 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: May 28, 2026 7:04 PM CDT.

The active forecast window currently covers May 30 to Jun 3, 2026 for Thornton, IA.

Page Snapshot

Page focus
city weather
Forecast window
May 30 to Jun 3, 2026
Latest sync
May 28, 2026 7:04 PM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
78°F
Saturday
Next Low
55°F
Saturday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
7 to 18 mph
Saturday

Daily Outlook

Today
May 30
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
78 °F
/ 55°F
Wind 7 to 18 mph
Sun
May 31
Slight Chance Showers And Thunderstorms
79 °F
/ 56°F
Wind 15 mph
Mon
Jun 1
Chance Rain Showers then Slight Chance Showers And Thunderstorms
83 °F
/ 55°F
Wind 8 mph
Tue
Jun 2
Chance Showers And Thunderstorms then Mostly Sunny
82 °F
/ 53°F
Wind 8 mph
Wed
Jun 3
Mostly Sunny
82 °F
/ 55°F
Wind 6 to 9 mph

This Week in Thornton

Monday looks like the warmest upcoming period in Thornton at 83 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.

The strongest winds are forecast for Saturday at about 7 to 18 mph ESE.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
May 28, 2026 7:04 PM CDT
Coverage
5 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

Saturday Night
May 30
55°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
16 mph ESE

A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.

Sunday
May 31
79°F
Slight Chance Showers And Thunderstorms
15 mph SE

A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 79. Chance of precipitation is 20%.

Sunday Night
May 31
56°F
Chance Showers And Thunderstorms
6 to 12 mph SE

A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

Monday
Jun 1
83°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
8 mph ESE

A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Monday Night
Jun 1
55°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
8 mph ESE

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 30%.

Tuesday
Jun 2
82°F
Chance Showers And Thunderstorms then Mostly Sunny
8 mph ESE

A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

Tuesday Night
Jun 2
53°F
Partly Cloudy
8 mph SE

Partly cloudy, with a low around 53.

Wednesday
Jun 3
82°F
Mostly Sunny
6 to 9 mph SSE

Mostly sunny, with a high near 82.

Wednesday Night
Jun 3
55°F
Slight Chance Showers And Thunderstorms
9 mph S

A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 55.

Detailed Forecast

Period Conditions Temp Wind
Saturday
May 30
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
78°F
7 to 18 mph
ESE
Saturday Night
May 30
Slight Chance Showers And Thunderstorms then Mostly Cloudy
55°F
16 mph
ESE
Sunday
May 31
Slight Chance Showers And Thunderstorms
79°F
15 mph
SE
Sunday Night
May 31
Chance Showers And Thunderstorms
56°F
6 to 12 mph
SE
Monday
Jun 1
Chance Rain Showers then Slight Chance Showers And Thunderstorms
83°F
8 mph
ESE
Monday Night
Jun 1
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
55°F
8 mph
ESE
Tuesday
Jun 2
Chance Showers And Thunderstorms then Mostly Sunny
82°F
8 mph
ESE
Tuesday Night
Jun 2
Partly Cloudy
53°F
8 mph
SE
Wednesday
Jun 3
Mostly Sunny
82°F
6 to 9 mph
SSE
Wednesday Night
Jun 3
Slight Chance Showers And Thunderstorms
55°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.