Castle Rock, MN Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Castle Rock, MN.

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Current Conditions — Castle Rock, MN

ST. PAUL (KSTP)

Clear

71.6 F
Humidity:57%
Wind Speed: 9.2 mph
Barometer:29.70 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:71.1 F
Wind Chill:NA
Apr 22 2026, 10:10 PM CDT
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5-Day Forecast — Castle Rock, MN

Wednesday

High 82 °F
Mostly Sunny
Wednesday
Night
Low 62 °F
Mostly Cloudy
Thursday

High 71 °F
T-storms
Thursday
Night
Low 46 °F
Chance of T-storms
Friday

High 62 °F
Mostly Sunny
Friday
Night
Low 41 °F
Partly Cloudy
Saturday

High 59 °F
Mostly Cloudy
Saturday
Night
Low 44 °F
Mostly Cloudy
Sunday

High 66 °F
Chance of Rain Showers

Detailed Forecast — Castle Rock, MN

Wednesday
Mostly Sunny. High near 82°F. Wind 15 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly Cloudy. Low around 62°F. Wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday
Thunderstorms. High near 71°F. Wind 14 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Chance of Thunderstorms. Low around 46°F. Wind 9 to 14 mph, with gusts as high as 22 mph.
Friday
Mostly Sunny. High near 62°F. Wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
Partly Cloudy. Low around 41°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Saturday
Mostly Cloudy. High near 59°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Saturday Night
Mostly Cloudy. Low around 44°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Chance of Rain Showers. High near 66°F. Wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Thunderstorms Likely. Low around 48°F. Wind around 18 mph, with gusts as high as 24 mph.
Monday
Rain Showers Likely. High near 59°F. Wind 16 to 18 mph, with gusts as high as 26 mph.
Monday Night
Chance of Rain. Low around 41°F. Wind around 16 mph, with gusts as high as 23 mph.
Tuesday
Mostly Cloudy. High near 57°F. Wind 12 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Partly Cloudy. Low around 39°F. Wind around 5 mph, with gusts as high as 9 mph.
MN Radar
Current Radar • MN
Day 1 Outlook • April 23, 2026

Observation History — Castle Rock, MN

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
10:10 PM CDT 9.2 10.00 Clear -- 71.6 55.4 57% NA 71.1 29.70 1005.8
10:00 PM CDT 11.5 10.00 Clear -- 71.6 55.4 57% NA 71.1 29.69 1005.4
09:45 PM CDT 11.5 10.00 Clear -- 73.4 55.4 53% NA 72.9 29.69 1005.4
09:35 PM CDT 10.4 10.00 Clear -- 73.4 55.4 53% NA 72.9 29.69 1005.4
09:20 PM CDT 11.5 10.00 Clear -- 73.4 55.4 53% NA 72.9 29.69 1005.4
09:10 PM CDT 11.5 10.00 Clear -- 73.4 55.4 53% NA 72.9 29.69 1005.4
08:50 PM CDT 16.1 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.68 1005.1
08:30 PM CDT 12.7 10.00 Clear -- 75.2 55.4 50% NA 74.8 29.68 1005.1
08:15 PM CDT 15.0 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.68 1005.1
08:10 PM CDT 13.8 10.00 Clear -- 77.0 55.4 47% NA 76.6 29.68 1005.1
08:00 PM CDT 11.5 10.00 Clear -- 78.8 55.4 45% NA 78.4 29.68 1005.1
07:50 PM CDT 17.3 10.00 Clear -- 78.8 55.4 45% NA 78.4 29.68 1005.1
07:45 PM CDT 16.1 G 21.9 10.00 Clear -- 78.8 55.4 45% NA 78.4 29.68 1005.1
07:30 PM CDT 16.1 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.68 1005.1
07:15 PM CDT 18.4 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.68 1005.1
07:05 PM CDT 15.0 G 21.9 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.68 1005.1
07:00 PM CDT 17.3 10.00 Clear -- 80.6 53.6 39% NA 80.2 29.68 1005.1
06:45 PM CDT 19.6 10.00 Clear and Windy -- 82.4 53.6 37% NA 81.5 29.68 1005.1
06:35 PM CDT 16.1 10.00 Clear -- 82.4 53.6 37% NA 81.5 29.68 1005.1
06:20 PM CDT 18.4 G 25.3 10.00 Clear -- 82.4 51.8 35% NA 81.1 29.68 1005.1
06:05 PM CDT G 27.6 10.00 Clear -- 82.4 51.8 35% NA 81.1 29.69 1005.4
06:00 PM CDT G 27.6 10.00 Clear -- 82.4 50.0 32% NA 81.0 29.69 1005.4
05:45 PM CDT 18.4 10.00 Clear -- 82.4 48.2 30% NA 80.8 29.69 1005.4
05:35 PM CDT 18.4 G 26.5 10.00 Clear -- 82.4 48.2 30% NA 80.8 29.70 1005.8

Regional Weather Observation

ST. PAUL (KSTP)

Clear
71.6 F

MINNEAPOLIS (KMSP)

NULL
75.2 F

SOUTH ST PAUL (KSGS)

Clear
73.9 F

MNPLS/FLYING CLD (KFCM)

Clear
73.4 F

MNPLS/AIRLAKE (KLVN)

Clear
73.4 F

STANTON (KSYN)

Clear
73.2 F
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