National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Overcast

67°F

19°C

Humidity 84%
Wind Speed SW 8 G 20 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 24 Jul 11:52 pm CDT
Extended Forecast for

2 Miles NW Petersburg IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 3 to 5 mph.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 84. South wind around 6 mph.

    High: 84 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southwest wind 5 to 7 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. West southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 3 to 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 84. South wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 75. South southwest wind 5 to 7 mph.
Monday
Mostly sunny and hot, with a high near 95. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 74. West southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Petersburg IL
 40.05°N 89.88°W (Elev. 551 ft)
Last Update:
11:36 pm CDT Jul 24, 2026
Forecast Valid:
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation