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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 12:20pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 64.8, Max: 67.9, Min: 58.6 64.8°F
Colder 0.5°F than last hour.

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Feels like: 65°F

24-hr difference
-9.6°FColder 9.6°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: 0.04 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.19 in
Storm Rain: 0.04 in
This Month: 8.68 in
Season Total: 24.24 in
12 rain days in June.
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 88 % Decreased 1.0% since last hour.
Dew Point: 61.2°F Decreased 0.9°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
76 W/m2 (8 %)
High: 204 @  8:41am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Rain Showers
Rain Showers

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 5 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.