Heat Advisory HEAT ADVISORY - Grundy County

NWS North Mississippi Valley Regional Radar WU North Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 28-Jun-2026 11:35am - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 80.3, Max: 80.3, Min: 63.9 80.3°F
Warmer 2.2°F than last hour.

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Feels like: 85°F

24-hr difference
3.7°FWarmer 3.7°F than yesterday at this time.
  Today Yesterday
High: 80.3°F
11:32am
78.9°F
1:20pm
Low: 63.9°F
5:01am
64.0°F
1:00am
 Wind from E E
0.0
Gust:
3.0 mph
0 Bft - Calm
Today: 6.0 mph 10:29am
Gust Month: 37.0 mph June 10
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
This Month: 11.68 in
Season Total: 27.24 in
15 rain days in June.
Tonight

Tonight: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 77 % Decreased 3.0% since last hour.
Dew Point: 72.4°F Increased 1.1°F since last hour.
Barometer: 29.868 inHg  
Baro Trend: Steady
Sunrise: 5:22am
Sunset: 8:30pm
Moonset: 3:45am
Moonrise: 7:14pm
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
98%
Illuminated
UV Index Solar Radiation
   3.5     Medium 
High: 5.7 @ 11:19am
397 W/m2 (42 %)
High: 1020 @  11:19am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And T-Storms

Hi 84 °F
NWS forecast: A chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
 
Tonight

Tonight: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy

Lo 76 °F
NWS forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.