After a period of unusually warm weather, sub-freezing temperatures settled over eastern Iowa, northwest Illinois, and northeast Missouri daily from April 3rd through the 10th.  The coldest period occurred on the 7th, when many locations dropped into the middle and upper teens.
The primary impact was to horticultural crops.  Peaches and apricots were severely damaged.  Early apples and pears also sustained damage.

Frost/Freeze in JACKSON, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in JEFFERSON, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in JOHNSON, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in JONES, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in KEOKUK, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in LEE, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in LINN, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in BENTON, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in LOUISA, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in MUSCATINE, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in SCOTT, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in VAN BUREN, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in WASHINGTON, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in BUCHANAN, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in CEDAR, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in CLINTON, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in DELAWARE, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in DES MOINES, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in HENRY, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in IOWA, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee

Frost/Freeze in DUBUQUE, IOWA
From 03-APR-07 00:00:00 to 10-APR-07 12:00:00 (CST-6)
Property damage: 0.00K
Reported by: NWS Employee