Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Mostly Cloudy
78°F
26°C
| Humidity | 64% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1009.5 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 17 Jun 1:53 pm CDT |
Extended Forecast for
Thornton IA
This Afternoon
High: 79 °F
Showers
LikelyTonight
Low: 62 °F
Showers
LikelyWednesday
High: 78 °F
Showers
LikelyWednesday Night
Low: 57 °F
Mostly Clear
Juneteenth
High: 86 °F
Sunny
Thursday Night
Low: 65 °F
Chance
T-stormsFriday
High: 90 °F
Slight Chance
T-storms and
WindyFriday Night
Low: 73 °F
Slight Chance
T-storms and
WindySaturday
High: 93 °F
Sunny and
Breezy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 79. North northwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 62. East northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. North wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 6 to 9 mph becoming west after midnight.
Juneteenth
Sunny, with a high near 86. West southwest wind 7 to 11 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Windy.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Windy.
Saturday
Sunny, with a high near 93. Breezy.
Saturday Night
Mostly clear, with a low around 74. Windy.
Sunday
Sunny, with a high near 92. Windy.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy.
Monday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 89. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Thornton IA
42.95°N 93.4°W
42.95°N 93.4°W
12:07 pm CDT Jun 17, 2025
2pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
