Hazardous Weather Conditions
Current conditions at
Newton Municipal Airport - Earl Johnson Field (KTNU)
Lat: 41.67°NLon: 93.02°WElev: 945ft.
Mostly Cloudy
79°F
26°C
| Humidity | 100% |
| Wind Speed | E 8 mph |
| Barometer | 29.89 in |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 13 Aug 6:35 pm CDT |
Extended Forecast for
Newton IA
Flood Watch August 13, 06:54pm until August 15, 10:00am
NOW until 10:00am Sat

Flood Watch
Tonight

Low: 68 °F
Heavy Rain
Friday
High: 86 °F
Showers
Likely then
Chance
T-stormsFriday Night
Low: 71 °F
Chance
T-storms then
Heavy RainSaturday
High: 88 °F
Slight Chance
T-storms then
Slight Chance
ShowersSaturday Night
Low: 69 °F
Slight Chance
T-storms then
Showers
LikelySunday

High: 82 °F
Chance
T-stormsSunday Night

Low: 63 °F
Partly Cloudy
Monday

High: 81 °F
Sunny
Detailed Forecast
Tonight
Showers and thunderstorms before 4am, then showers and possibly a thunderstorm, mainly after 4am. Some of the storms could produce heavy rainfall. Low around 68. East northeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 86. East southeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. East wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 88. Heat index values as high as 102. South wind around 7 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Newton IA
41.69°N 93.04°W
41.69°N 93.04°W
6:22 pm CDT Aug 13, 2026
6pm CDT Aug 13, 2026-6pm CDT Aug 20, 2026



