870 FXUS63 KILX 271908 AFDILXArea Forecast Discussion National Weather Service Lincoln IL 208 PM CDT Sat Sep 27 2025
.KEY MESSAGES...
- A stretch of dry weather will likely continue through next week across central and southeast IL. This will worsen the ongoing drought conditions.
- Unseasonably warm daytime highs in the upper 80s to near 90 will prevail through Tuesday. Lows will be mainly in the 50s. Temperatures look to trend down slightly Wednesday into next weekend.
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.DISCUSSION... Issued at 208 PM CDT Sat Sep 27 2025
A broad and highly amplified ridge of high pressure looks to be the main feature in control of central IL`s weather through at least the next week, meaning little to no hope for rainfall. Even cloud cover of any sort looks like it will be hard to come by. Temperatures will continue to rise the next few days, with highs reaching the upper 80s to around 90 Sunday through Tuesday, while lows generally at least dip into the 50s. Normal highs are in the mid 70s, while normal lows are around 50 this time of year. Lows will be closer to normal given the dry conditions, clear skies, and light winds for most of the period, allowing good radiational cooling at night.
An Atlantic tropical disturbance likely to become a tropical storm within the next day now appears unlikely to have any impact in this region, compared with a day ago when it appeared it could have some impact on wind direction and cloud cover. Nevertheless, a slight cooling looks on track for late next week as a cooler northeast flow develops as a result of a strong Canadian high positioning itself north of the Great Lakes.
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.AVIATION... (For the 18z TAFs through 18z Sunday Afternoon) Issued at 1155 AM CDT Sat Sep 27 2025
A dry cold front approaching from the northwest will have little impact on the central IL terminals as it stalls out north of the area tonight. Cloud cover appears it will be negligible, while light SW winds ahead of the front will weaken. All terminals should see light and variable winds by shortly after 00Z, continuing until close to 18Z Sunday.
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.CLIMATE... Issued at 211 PM CDT Fri Sep 26 2025
Record high temperatures for Sunday through Tuesday:
Location Saturday Sunday Monday Tuesday Wednesday -------- -------- --------- ---------- ---------- --------- Bloomington 94 (1905) 94 (1953) 100 (1953) 98 (1953) 92 (1897) Champaign 92 (1891) 94 (1953) 99 (1953) 91 (1971) 92 (1897) Charleston 92 (1998) 94 (1953) 99 (1953) 92 (1933) 94 (2019) Decatur 93 (1954) 96 (1953) 100 (1953) 94 (1922) 93 (1897) Lincoln 92 (1954) 96 (1953) 101 (1953) 93 (1952) 91 (2019) Olney 92 (2017) 97 (1939) 101 (1953) 93 (1952) 94 (1952) Peoria 89 (2021) 92 (1939) 98 (1953) 91 (1933) 89 (1937) Springfield 91 (2021) 94 (1953) 100 (1953) 92 (1971) 91 (2019)
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.ILX WATCHES/WARNINGS/ADVISORIES... None. &&
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NWS ILX Office Area Forecast Discussion