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Grundy County
 Details for Grundy County Flood Warning  +3 additional alerts

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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: @ 10-Aug-2026 2:55am - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 73.1, Max: 79.2, Min: 71.3 73.1°F
Warmer 1.7°F than last hour.

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Feels like: 73°F

24-hr difference
8.8°FWarmer 8.8°F than yesterday at this time.
  Today Yesterday
High: 79.2°F
12:00am 		88.3°F
3:00pm
Low: 71.3°F
1:57am 		63.8°F
4:23am
Wind from SSW SSW
2.3
Gust:
 3.0 mph
1 Bft - Light Air
Today: 26.5 mph 12:23am
Gust Month: 26.0 mph August 10
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
This Month: 4.64 in
Season Total: 35.00 in
2 rain days in August.
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 84 % Increased 3.0% since last hour.
Dew Point: 68.0°F Increased 2.6°F since last hour.
Barometer: 29.851 inHg  
Baro Trend: Steady
Sunrise: 5:57am
Sunset: 8:00pm
Moonrise: 3:02am
Moonset: 6:47pm
Waning Crescent
Waning Crescent, Moon at 26 days in cycle
8%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
0 W/m2 (0 %)
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Overnight & Monday
Overnight

Overnight: Showers And Thunderstorms
Showers And T-Storms

Lo 73 °F		 NWS forecast: Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy. Low around 73, with temperatures rising to around 75 overnight. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
 
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 87 °F		 NWS forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 98. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.