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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: @ 29-Sep-2026 4:30pm - next update at 6:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 80.2, Max: 82.7, Min: 49.3 80.2°F
Colder 2.1°F than last hour.

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Feels like: 81°F

24-hr difference
3.4°FWarmer 3.4°F than yesterday at this time.
  Today Yesterday
High: 82.7°F
2:56pm 		77.4°F
2:58pm
Low: 49.3°F
6:51am 		45.7°F
6:37am
Calm S
0.0
Gust:
 0.0 mph
0 Bft - Calm
Today: 8.1 mph 2:16pm
Gust Month: 19.0 mph September 20
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.01 in
Storm Rain: 0.00 in
This Month: 3.37 in
Season Total: 42.95 in
8 rain days in September.
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 47 % Increased 10.0% since last hour.
Dew Point: 58.1°F Increased 4.7°F since last hour.
Barometer: 29.893 inHg Falling 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:47am
Sunset: 6:38pm
Moonset: 10:15am
Moonrise: 7:29pm
Waning Gibbous
Waning Gibbous, Moon at 18 days in cycle
87%
Illuminated
UV Index Solar Radiation
   0.6     Low 
High: 3.6 @ 12:39pm
274 W/m2 (78 %)
High: 775 @  1:13pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Partly Sunny
Partly Sunny

Hi 80 °F		 NWS forecast: Partly sunny. High near 80, with temperatures falling to around 78 in the afternoon. South wind around 5 mph, with gusts as high as 15 mph.
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 64 °F		 NWS forecast: Mostly cloudy, with a low around 64. South wind around 5 mph, with gusts as high as 15 mph.