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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: @ 30-Sep-2026 4:15pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Light rain Light rain
Currently: 63.5, Max: 68.0, Min: 60.2 63.5°F
Colder 0.5°F than last hour.

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Feels like: 64°F

24-hr difference
-17.5°FColder 17.5°F than yesterday at this time.
  Today Yesterday
High: 68.0°F
12:33am 		82.7°F
2:56pm
Low: 60.2°F
7:17am 		49.3°F
6:51am
Wind from SSE SSE
0.6
Gust:
 1.0 mph
0 Bft - Calm
Today: 13.0 mph 4:13pm
Gust Month: 19.0 mph September 20
Rain Today: 0.96 in
Rain Rate (/hr): 0.040 in
Rain Yesterday: 0.00 in
Storm Rain: 0.96 in
This Month: 4.33 in
Season Total: 43.91 in
9 rain days in September.
Tonight

Tonight: Chance Rain Showers
Chance Rain Showers
Humidity & Barometer Almanac Moon
Humidity: 93 % Decreased 1.0% since last hour.
Dew Point: 61.4°F Decreased 0.8°F since last hour.
Barometer: 29.844 inHg  
Baro Trend: Steady
Sunrise: 6:48am
Sunset: 6:36pm
Moonset: 11:30am
Moonrise: 8:03pm
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
79%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.9 @ 1:23pm
53 W/m2 (14 %)
High: 153 @  1:24pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Rain Showers
Rain Showers

Hi 69 °F		 NWS forecast: Rain showers. Cloudy, with a high near 69. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
 
Tonight

Tonight: Chance Rain Showers
Chance Rain Showers

Lo 66 °F		 NWS forecast: A chance of rain showers. Cloudy, with a low around 66. South southeast wind 0 to 5 mph, with gusts as high as 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.