Extreme Heat Warning EXTREME HEAT WARNING - Johnson County
NWS North Mississippi Valley Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 07-Sep-2026 4:35am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 74.1, Max: 75.7, Min: 73.9 74.1°F
Colder 0.2°F than last hour.

Comfortable

Feels like: 74°F

24-hr difference
-2.9°FColder 2.9°F than yesterday at this time.
  Today Yesterday
High: 75.7°F
12:00am
103.6°F
2:20pm
Low: 73.9°F
4:00am
75.6°F
5:35am
 Wind from SSW SSW
0.2
Gust:
1.1 mph
0 Bft - Calm
Today: 8.1 mph 12:10am
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.03 in
Storm Rain: 0 in
This Month: 0.03 in
Season Total: 78.31 in
1 day since last rain.
Labor
Day
Labor Day: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 91 %  
Dew Point: 71.3°F Decreased 0.2°F since last hour.
Barometer: 29.85 inHg  
Baro Trend: Steady
Sunrise: 6:53am
Sunset: 7:40pm
Moonrise: 2:37am
Moonset: 5:51pm
Waning Crescent
Waning Crescent, Moon at 24 days in cycle
17%
Illuminated
UV Index Solar Radiation
   0    None
High: 0 @ 12:00am
0 W/m2
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook
Overnight

Overnight: Partly Cloudy
Partly Cloudy
Labor
Day
Labor Day: Sunny
Sunny
Monday
Night
Monday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Showers And Thunderstorms
Showers And T-Storms
Lo 72 °F Hi 95 °F Lo 74 °F Hi 98 °F Lo 77 °F Hi 91 °F Lo 67 °F
Detailed National Weather Service Forecast