Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Pittsfield, Pittsfield Penstone Municipal Airport (KPPQ)

Lat: 39.64°NLon: 90.78°WElev: 709ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Griggsville IL

Heat Advisory August 14, 02:02pm until August 16, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 14, 02:02pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 74. Southeast wind 5 to 7 mph.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 9am.  Partly sunny, with a high near 94. Heat index values as high as 102. Southeast wind 6 to 9 mph becoming southwest in the afternoon.

    High: 94 °F

    Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 75. West wind 3 to 5 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 89. Northwest wind 5 to 7 mph.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Heat index values as high as 100. South wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 74. Southeast wind 5 to 7 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 94. Heat index values as high as 102. Southeast wind 6 to 9 mph becoming southwest in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 75. West wind 3 to 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Northwest wind 5 to 7 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.73°W (Elev. 653 ft)
1:41 pm CDT Aug 14, 2026
2pm CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database