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Grundy County
 Details for Grundy County Hydrologic Outlook

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Hydrologic Outlook HYDROLOGIC OUTLOOK - 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: @ 21-Jun-2026 12:35pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Light rain Light rain
Currently: 64.6, Max: 67.9, Min: 58.6 64.6°F
 

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Feels like: 65°F

24-hr difference
-10°FColder 10.0°F than yesterday at this time.
  Today Yesterday
High: 67.9°F
9:01am 		79.4°F
5:58pm
Low: 58.6°F
3:15am 		59.8°F
5:23am
Calm S
0.0
Gust:
 0.0 mph
0 Bft - Calm
Today: 3.5 mph 8:40am
Gust Month: 37.0 mph June 10
Rain Today: 0.05 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.19 in
Storm Rain: 0.05 in
This Month: 8.69 in
Season Total: 24.25 in
12 rain days in June.
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 87 % Decreased 2.0% since last hour.
Dew Point: 60.6°F Decreased 0.7°F since last hour.
Barometer: 29.862 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:20am
Sunset: 8:29pm
Moonset: 12:24am
Moonrise: 12:50pm
Waxing Crescent
Waxing Crescent, Moon at 7 days in cycle
48%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.8 @ 8:35am
81 W/m2 (8 %)
High: 204 @  8:41am
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Showers And Thunderstorms
Showers And T-Storms

Hi 70 °F		 NWS forecast: Rain showers before 2pm, then showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 63 in the afternoon. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
 
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms

Lo 59 °F		 NWS forecast: Showers and thunderstorms. Cloudy, with a low around 59. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.