Weather for Clayton, Iowa
Current Weather
Humidity: 84%
Feels Like: 77.5°F
Wind: SE 8.3 mph
Wind Gusts: 15.5 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Tue
H: 93°F
L: 68°F
Wed
H: 98°F
L: 76°F
Thu
H: 89°F
L: 75°F
Fri
H: 86°F
L: 67°F
Sat
H: 87°F
L: 66°F
Air Quality
Nitrogen Dioxide: 15.54 μg/m3
Sulphur Dioxide: 5.74 μg/m3
Ozone: 73 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:36 PM
Daylight: 14 hrs 50 mins
Moon Transit: 11:11 AM
Moonset: 7:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:41 AM - 1:11 PM
Minor Periods
7:01 PM - 8:31 PM2:21 AM - 3:51 AM
Action Rating: 3 out of 5
Extreme Heat Watch issued July 21 at 2:33PM CDT until July 24 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Mon July 21, 2025, 2:33 PM
Expires: Mon July 21, 2025, 10:00 PM
* WHAT...Dangerously hot and humid conditions with heat index values up to 110 possible. * WHERE...In Illinois, Carroll, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, Jones, Buchanan, Delaware, and Dubuque Counties. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures Tuesday night/Wednesday morning may not fall much below 75 degrees, which would also maintain heat stress on the human body during the overnight hours.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Watch issued July 21 at 2:33PM CDT until July 24 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Mon July 21, 2025, 2:33 PM
Expires: Mon July 21, 2025, 10:00 PM
* WHAT...Dangerously hot and humid conditions with heat index values up to 110 possible. * WHERE...In Illinois, Carroll, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, Jones, Buchanan, Delaware, and Dubuque Counties. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures Tuesday night/Wednesday morning may not fall much below 75 degrees, which would also maintain heat stress on the human body during the overnight hours.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Watch issued July 21 at 2:33PM CDT until July 24 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Mon July 21, 2025, 2:33 PM
Expires: Mon July 21, 2025, 10:00 PM
* WHAT...Dangerously hot and humid conditions with heat index values up to 110 possible. * WHERE...In Illinois, Carroll, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, Jones, Buchanan, Delaware, and Dubuque Counties. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures Tuesday night/Wednesday morning may not fall much below 75 degrees, which would also maintain heat stress on the human body during the overnight hours.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Watch issued July 21 at 1:34PM CDT until July 24 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
Effective: Mon July 21, 2025, 1:34 PM
Expires: Mon July 21, 2025, 9:45 PM
* WHAT...Dangerously hot conditions with heat index values up to 106 possible. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Watch issued July 21 at 2:33PM CDT until July 24 at 7:00PM CDT by NWS Quad Cities IA IL
Effective: Mon July 21, 2025, 2:33 PM
Expires: Mon July 21, 2025, 10:00 PM
* WHAT...Dangerously hot and humid conditions with heat index values up to 110 possible. * WHERE...In Illinois, Carroll, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, Jones, Buchanan, Delaware, and Dubuque Counties. * WHEN...From Wednesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures Tuesday night/Wednesday morning may not fall much below 75 degrees, which would also maintain heat stress on the human body during the overnight hours.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Weather Forecast
Average Temperature: 80°F
Average Humidity: 81%
Wind: 12.3 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 8.78 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 95.6 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:36 PM
Daylight: 14 hrs 50 mins
Moon Transit: 11:11 AM
Moonset: 7:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:41 AM - 1:11 PM
Minor Periods
7:01 PM - 8:31 PM2:21 AM - 3:51 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 84.9°F
Average Humidity: 77%
Wind: 16.6 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 5.44 μg/m3
Sulphur Dioxide: 2.43 μg/m3
Ozone: 108.84 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 48 mins
Moon Transit: 12:14 AM
Moonset: 8:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:44 AM - 2:14 PM
Minor Periods
7:51 PM - 9:21 PM3:29 AM - 4:59 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 81.3°F
Average Humidity: 80%
Wind: 12.1 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 6.63 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 90.72 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:34 PM
Daylight: 14 hrs 46 mins
Moon Transit: 1:12 PM
Moonset: 8:58 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:04 AM - 2:34 AM12:42 AM - 3:12 PM
Minor Periods
8:28 PM - 9:58 PM4:44 AM - 6:14 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 76.5°F
Average Humidity: 83%
Wind: 5.1 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 17.72 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 43.85 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 44 mins
Moon Transit: 2:05 PM
Moonset: 9:27 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
1:00 AM - 3:30 AM1:35 PM - 4:05 PM
Minor Periods
8:57 PM - 10:27 PM6:01 AM - 7:31 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 74.9°F
Average Humidity: 88%
Wind: 8.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:11 PM
Sunset: 8:32 PM
Daylight: 14 hrs 42 mins
Moon Transit: 2:54 PM
Moonset: 9:50 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
1:51 AM - 4:21 AM2:24 PM - 4:54 PM
Minor Periods
9:20 PM - 10:50 PM7:14 AM - 8:44 AM
Action Rating: 3 out of 5