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State Forecast for Ottosen , IA
Change Zip Code: 
 
117
FPUS63 KDMX 202120
SFTIA
IAZ001>099-211000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Sun Sep 20 2026
ROWS INCLUDE...
Daily predominant daytime weather 6AM-6PM
Forecast temperatures...early morning low/daytime high
Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM
- indicates temperatures below zero
MM indicates missing data
 
FCSTFCSTFCSTFCSTFCSTFCSTFCST
MonTueWedThuFriSatSun
Sep 21Sep 22Sep 23Sep 24Sep 25Sep 26Sep 27
...WESTERN IOWA...
Spencer
MocldyPtcldyPtcldyMocldyMocldyMocldyPtcldy
47/5644/6141/6545/6549/6852/7054/72
70/7040/0000/0030/4040/4040/3030/30
Sioux City
CloudyPtcldyPtcldyMocldyMocldyMocldyPtcldy
54/5949/6247/6551/6554/6857/7058/72
90/9020/0000/0040/6040/5040/4020/20
Carroll
ShwrsMocldyPtcldyMocldyShwrsMocldyPtcldy
54/5949/6145/6548/6653/6856/7158/73
80/9040/1000/0010/4050/5040/4030/30
Atlantic
ShwrsMocldyPtcldyMocldyShwrsShwrsPtcldy
57/6052/6047/6349/6355/6658/6959/71
60/8080/1000/0010/4050/6050/5030/30
Shenandoah
MocldyMocldyPtcldyMocldyMocldyMocldyPtcldy
59/6454/6349/6551/6556/6859/7261/73
50/3040/1000/0010/4040/5050/5030/30
...CENTRAL IOWA...
Mason City
ShwrsPtcldySunnyMocldyMocldyMocldyPtcldy
48/5745/6041/6445/6449/6651/6754/70
60/7040/0000/0000/2020/3030/3030/30
Fort Dodge
ShwrsPtcldySunnyMocldyMocldyMocldyPtcldy
53/5849/6145/6548/6654/6856/7058/73
70/8040/1000/0010/3040/4040/4030/30
Ames
ShwrsMocldySunnyMocldyMocldyMocldyPtcldy
55/6051/6146/6448/6554/6856/7058/73
50/8050/1000/0000/2040/4040/4030/30
Marshalltown
ShwrsMocldySunnyMocldyMocldyMocldyPtcldy
54/6049/6145/6347/6452/6754/6856/71
40/7050/1000/0000/2020/4030/3030/30
Des Moines
ShwrsMocldySunnyMocldyShwrsMocldyPtcldy
57/6054/6048/6350/6456/6759/6961/72
60/8050/2000/0000/2040/5040/4030/30
Creston
ShwrsMocldySunnyMocldyShwrsShwrsPtcldy
58/6152/5947/6248/6354/6658/6959/71
60/7060/1000/0000/2040/5050/5030/30
Lamoni
MocldyMocldySunnyMocldyMocldyShwrsPtcldy
59/6254/6047/6248/6354/6757/7160/73
40/4050/1000/0000/1030/4050/5030/30
...EASTERN IOWA...
Decorah
MocldyPtcldySunnyMocldyMocldyMocldyPtcldy
51/5946/6043/6346/6450/6651/6754/69
20/3020/0000/0000/1000/1020/2020/20
Oelwein
MocldyPtcldySunnyMocldyMocldyMocldyPtcldy
53/6048/6044/6347/6451/6653/6755/70
40/5040/1000/0000/1010/1020/2030/30
Waterloo
ShwrsPtcldySunnyMocldyMocldyMocldyPtcldy
53/6148/6245/6447/6651/6754/6855/72
50/6040/1000/0000/1010/2030/3020/20
Dubuque
MocldyPtcldySunnyPtcldyMocldyMocldyPtcldy
56/6251/6247/6449/6452/6652/6755/70
10/4040/2000/0000/0000/1010/1020/20
Cedar Rapids
MocldyPtcldySunnyMocldyMocldyMocldyPtcldy
57/6252/6247/6450/6553/6755/6957/72
20/6070/3000/0000/0010/2010/2030/30
Iowa City
MocldyPtcldySunnyPtcldyMocldyMocldyPtcldy
58/6353/6248/6550/6654/6956/7058/73
20/5070/3000/0000/0010/2020/2020/20
Quad Cities
MocldyPtcldySunnyPtcldyMocldyMocldyPtcldy
58/6453/6348/6650/6753/6953/7156/74
20/4050/4000/0000/0010/1010/1020/20
Ottumwa
ShwrsPtcldySunnyMocldyMocldyMocldyPtcldy
59/6454/6248/6550/6654/7057/7159/75
20/6060/2000/0000/1010/3030/3020/20
Burlington
MocldyPtcldySunnyPtcldyMocldyMocldyPtcldy
60/6655/6448/6650/6854/7155/7358/76
20/4050/2000/0000/0010/2020/2020/20
Keokuk
MocldyPtcldySunnyPtcldyMocldyMocldyPtcldy
61/6857/6650/6852/7055/7257/7459/78
30/3050/4010/0000/0010/2020/2020/20
$$
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Bryce Anderson – DTN Meteorologist
Heavy Rain Moving Through Northern US This Weekend
Posted at 11:40AM Fri Sep 18, 2026 CDT
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