FREESE-NOTIS
EVENING WEATHER UPDATE

5:00 PM, Monday, September 01, 2025

MIDWESTERN U.S.

5:00 PM CDT, Mon Sep 01, 2025

MIDWEST U.S. - 1

It is quite interesting to measure by how much each weather model forecasts minimum temperatures on the morning of September 4th, 2025. The NAM model has widespread temperatures in the 30s across Iowa. Other weather models suggest temperature in the 40s. Likely a small area of the cornbbelt will experience some frost on the morning of September 4th, 2025. For the 1-5 day outlook September 1-September 6, corn belt temperatures will average near 65.1 F which is -4.9F from normal. Rainfall will average 0.49". Approximately 60% of the area will receive a 0.25" or more. This compares to the earlier estimate today of 60%.

For the 6-10 day outlook, September 6-September 10, the western corn belt temperatures will be Below normal. Rainfall will be normal. Eastern corn belt temperatures will be Below normal. Rainfall will be Below normal.

For the 11-15 day outlook September 11-September 15, the western corn belt temperatures will be Above normal. Rainfall will be Above normal. Eastern corn belt temperatures will be Above normal. Rainfall will be normal.

SOUTHEASTERN U.S.

For the 1-5 day outlook September 1-September 6, delta area temperatures will average near 77.7 F which is .2 F from normal. Rainfall will average 0.53". Approximately 80% of the area will receive a 0.25" or more. This compares to the earlier estimate today of 80%.

For the 6-10 day outlook, September 6-September 10, the Delta region temperatures will be Below normal. Rainfall will be normal. The southeast region temperatures will be Below normal. Rainfall will be Above normal.

For the 11-15 day outlook September 11-September 15, the Delta temperatures will be Above normal. Rainfall will be normal. The southeast region temperatures will be normal. Rainfall will be Above normal.

PLAINS

For the 1-5 day outlook September 1-September 6, winter wheat temperatures will average near 69.5 F which is -2.7 F from normal. Rainfall will average 0.83". Approximately 57% of the area will receive a 0.25" or more.. This compares to the earlier estimate today of 57%.

For the 6-10 day outlook, September 6-September 10, the winter wheat temperatures will be Below normal. Rainfall will be Above normal.

For the 11-15 day outlook September 11-September 15, the winter wheat temperatures will be Above normal. Rainfall will be Above normal.

NORTHERN PLAINS

For the 1-5 day outlook September 1-September 6, spring wheat temperatures will average near 58.1 F which is -5.8 F from normal. Rainfall will average 0.50". Approximately 62% of the area will receive a 0.25" or more. This compares to the earlier estimate today of 62%.

For the 6-10 day outlook, September 6-September 10, the spring wheat temperatures will be Above normal. Rainfall will be Above normal.

For the 11-15 day outlook September 11-September 15, the spring wheat temperatures will be Above normal. Rainfall will be Above normal.

NORTHEAST

For the 1-5 day outlook September 1-September 6, megalopolis area temperatures will average near 69.5 F which is -1.9 F from normal. Rainfall will average 0.16". Approximately 25% of the area will receive a 0.25" or more. This compares to the earlier estimate today of 25%.

For the 6-10 day outlook, September 6-September 10, The Megalopolis temperatures will be Below normal. Rainfall will be Below normal.

For the 11-15 day outlook September 11-September 15, The Megalopolis temperatures will be Below normal. Rainfall will be normal.

SOUTH AMERICAN TEMPERATURE AND PRECIPITATION MAPS

For the 1-5 day outlook September 1-September 6, Rio Grande do Sul, Brazil Corn and Soybean area temperatures will average near 76.0 F which is 5.2 from normal. Rainfall will average 0.30". Approximately 38% of the area will receive a 0.25" or more. This compares to the earlier estimate today of 38%.1

For the 6-10 day outlook September 7 -September 11, Rio Grande do Sul, Brazil Corn and Soybean area temperatures will average near 77.7 F which is 6.4 from normal. Rainfall will average 0.68". Approximately 69% of the area will receive a 0.25" or more.1

ARGENTINA SOYBEANS