Thornton, IA Weather Forecast
Local 7-day forecast
Chance Light Rain then Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Thornton, IA in one place.
A chance of rain before 11am. Cloudy, with a high near 50. North northwest wind 16 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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: Oct 15, 2026 10:46 PM CDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Thornton, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 10:46 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Thornton
Wednesday looks like the warmest upcoming period in Thornton at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Friday at about 16 to 28 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 10:46 PM CDT
- Coverage
- 7 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 sourceExtended Forecast
Widespread frost after 10pm. Mostly clear. Low around 29, with temperatures rising to around 31 overnight. West northwest wind 1 to 10 mph, with gusts as high as 21 mph.
Widespread frost before 9am. Sunny. High near 57, with temperatures falling to around 55 in the afternoon. South southwest wind 2 to 15 mph, with gusts as high as 22 mph.
Clear, with a low around 38. South southwest wind around 13 mph, with gusts as high as 21 mph.
Sunny, with a high near 65.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 49.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 73.
A slight chance of rain showers. Partly cloudy, with a low around 53.
A chance of rain showers. Partly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Chance Light Rain then Cloudy
|
50°F |
16 to 28 mph
NNW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
29°F |
1 to 10 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
2 to 15 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
13 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
13 to 17 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
5 to 12 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
66°F |
6 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
43°F |
5 mph
SSE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
2 to 8 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
49°F |
6 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
5 to 12 mph
SSE
|
|
Wednesday Night
Oct 21
|
Slight Chance Rain Showers
|
53°F |
9 mph
S
|
|
Thursday
Oct 22
|
Chance Rain Showers
|
73°F |
7 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Thornton.