Flash Flood Warning FLASH FLOOD WARNING - Grundy Co
Flood Advisory FLOOD ADVISORY - Grundy Co

NWS Central Great Lakes Regional Radar WU Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 12-Aug-2026 11:55am - next update at 12:00pm  
Summary / Temperature Wind Rain Outlook
Mainly cloudy, Stopped raining Mainly cloudy, Stopped raining
Currently: 73.1°F, Max: 74.2°F, Min: 69.0°F 73.1°F
Warmer 3.3°F than last hour.

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Feels like: 69°F

24-hr difference
4.3°FWarmer 4.3°F than yesterday at this time.
  Today Yesterday
High: 74.2°F
7:50am
81.8°F
3:48pm
Low: 69°F
10:02am
68.7°F
11:19am
 Wind from NNE NNE
0.6
Gust:
0 mph
0 Bft - Calm
Today: 15 mph 9:33am
Gust Month: 23.0 mph August 10
Rain Today: 1.52 in
Rain Rate (/hr): 0.01 in
Rain Yesterday: 0.892 in
Storm Rain: 2.83 in
This Month: 3.175 in
Season Total: 33.095 in
7 rain days in August.
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 93 % Decreased 1.0% since last hour.
Dew Point: 71°F Increased 3.0°F since last hour.
Barometer: 29.813 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 5:59am
Sunset: 7:57pm
Moonrise: 5:40am
Moonset: 7:27pm
New Moon
New Moon, Moon at 29 days in cycle
0%
Illuminated
UV Index Solar Radiation
   3.3     Medium 
High: 3.4 @ 11:53am
410 W/m2 (48 %)
High: 459 @  11:53am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Showers And Thunderstorms
Showers And T-Storms

Hi 82 °F
NWS forecast: Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Some of the storms could be severe and produce heavy rain. Mostly cloudy, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Davis VP+ forecast: Mostly cloudy and cooler, precipitation ending within 6 hrs, windy with possible wind shift to the w, nw, or n.
 
Tonight

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

Lo 69 °F
NWS forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.